plan ➔ space

Hi! I'm Aaron. Here are some of my favorite posts:

If you sign up, I'll send you an email update at most monthly with new stuff.

This site also has RSS. You can connect with me via Twitter, LinkedIn, GitHub, and email.

Here's the big list of everything:

2025-06-21: (Audio) The Haves and Have-Yachts, by Osnos
2025-06-17: Make everything into Roth IRA
2025-06-04: Consider tax on investments
2025-06-01: What is real? by Becker
2025-03-22: (Audio) I Hate the Ivy League, by Gladwell
2025-03-22: (Audio) Power and Progress, by Acemoglu and Johnson
2024-12-30: (Audio) Superconvergence, by Metzl
2024-12-26: (Audio) Playing with Reality, by Clancy
2024-12-24: (Audio) The Next Millionaire Next Door
2024-12-21: Matilda, by Dahl
2024-11-23: Financial calculators exist
2024-11-23: What are CFPs supposed to know?
2024-11-16: (Audio) We've got you covered, by Einav and Finkelstein
2024-11-09: (Audio) Technofeudalism, by Varoufakis
2024-11-02: (Audio) Utopia for Realists, by Bregman
2024-10-26: (Audio) How the World Works, by Chomsky
2024-10-19: (Audio) After Work, by Hester and Srnicek
2024-09-29: (Audio) Inventing the Future, by Srnicek and Williams
2024-09-21: (Audio) Fully Automated Luxury Communism, by Bastani
2024-09-15: (Audio) On the Edge, by Nate Silver
2024-09-10: How much money do I need to retire? by Tresidder
2024-09-07: (Audio) Bullshit Jobs, by Graeber
2024-09-06: (Audio) Debt: The first 5,000 years, by Graeber
2024-08-25: (Audio) Principles for dealing with the changing world order, by Dalio
2024-07-23: Explanations enhance equity
2024-07-22: (Audio) Loonshots, by Bahcall
2024-07-18: (Audio) Brave New Words, by Khan
2024-06-25: (Audio) Titan, by Chernow
2024-06-24: A brief development of matrix multiplication
2024-06-16: Linear Algebra Done Right, by Axler
2024-05-19: (Audio) Survival of the Richest, by Rushkoff
2024-05-17: (Audio) Build, by Fadell
2024-05-17: Understanding bipolar disorder, by Daramus
2024-04-13: (Audio) Material World, by Conway
2024-04-07: Mortality rates have improved
2024-03-31: (Audio) Homo Deus, by Harari
2024-03-19: (Audio) Lifespan, by Sinclair
2024-03-03: (Audio) The Body, by Bryson
2024-02-11: (Audio) The Comfort Crisis, by Easter
2024-01-28: (Audio) Outlive, by Attia
2024-01-14: Fundamentals: Ten Keys to Reality, by Wilczek
2024-01-13: (Audio) Hidden Potential, by Grant
2024-01-05: Seneca's De Brevitate Vitae
2023-12-31: The myth of artificial intelligence, by Larson
2023-12-02: Social Security is a great deal
2023-11-19: It must be beautiful, edited by Farmelo
2023-09-19: Fireside Chat / Pro Tips (with Codecademy)
2023-08-16: The Strangest Man, by Farmelo
2023-07-23: Thought is not a monolith
2023-07-16: Assume some proved things cannot be disproved
2023-07-15: The Room, by Karlsson
2023-07-14: Assume the ability to discern argument validity
2023-07-12: Progress beyond radical skepticism
2023-07-07: Russell's History of Western Philosophy
2023-07-06: Regression standard errors scale by all residuals
2023-06-08: The useful lesson of Carneades
2023-06-03: Fieller intervals in Python
2023-06-02: How to stay productive when the world is ending
2023-06-01: Black Holes, by Cox and Forshaw
2023-03-25: Conversion of Guelph energy to mass (p=0.049)
2023-03-16: Solving a matching problem with OR-Tools CP-SAT
2023-03-07: Pity the Reader, by McConnell
2023-02-26: The Voltage Effect, by List
2023-01-16: The Ten Equations that Rule the World, by Sumpter
2023-01-06: Predicting the future from 2023
2023-01-02: Echopraxia, by Watts
2022-12-24: Blindsight, by Watts
2022-11-05: Why greatness cannot be planned (Stanley and Lehman)
2022-10-29: Draft No. 4: On the Writing Process, by McPhee
2022-10-29: Mindf*ck, by Wylie
2022-09-18: Consciousness Explained, by Dennett
2022-09-10: Heads, by Greg Bear
2022-09-10: Tuesdays with Morrie, by Albom
2022-08-06: Sea of Tranquility, by Mandel
2022-07-04: That little voice in your head, by Gawdat
2022-07-03: Common jobs by income range
2022-07-02: What are people doing?
2022-06-25: The Ministry for the Future, by Robinson
2022-06-22: Nielsen's Quantum Country
2022-06-20: The Ride of a Lifetime, by Iger
2022-06-11: Mastering Python, by van Hattem
2022-06-04: Before the Coffee Gets Cold, by Kawaguchi
2022-04-10: The Beginning of Infinity, by Deutsch
2022-04-05: The Myth of the Rational Voter, by Caplan
2022-04-04: Red Roulette, by Shum
2022-04-03: Seven Games, by Roeder
2022-04-02: Elder Race, by Tchaikovsky
2022-03-27: Smarter, Faster, Better, by Duhigg
2022-03-20: A Visit from the Goon Squad, by Egan
2022-02-13: Creativity, Inc., by Catmull
2022-02-12: Still Life, by Louise Penny
2022-02-06: 7 Habits weekly cards
2022-01-09: System Design Interview, by Xu
2022-01-08: Resume dos and don'ts
2022-01-07: The Tech Resume Inside Out, by Orosz
2022-01-02: Radium Girls, by Moore
2022-01-01: Try the GSS WORDSUM questions!
2022-01-01: Predicting the future from 2022
2021-12-31: A Calendar of Wisdom, by Tolstoy
2021-12-30: Getting var(X/Y) can be hard
2021-12-29: Trustworthy Online Controlled Experiments
2021-12-28: Habits for 2022: “ratio”
2021-12-27: naldaramjui.com is closed
2021-12-24: The Genetic Lottery, by Harden
2021-12-19: Correlation can help approximate variance of a difference
2021-12-13: Practical Data Science with Python, by George
2021-12-12: Significant Figures: Rounding destroys information
2021-12-12: “Show your work” means “Write a proof”
2021-12-11: Bernoulli's Fallacy, by Clayton
2021-12-11: Significant Figures: Addition is too precise
2021-12-09: Significant Figures: Gaussian uncertainty, σ=2.5eN
2021-11-26: Try HoloViz for Python plotting
2021-11-21: The Essence of Progress and Poverty, by Henry George
2021-11-09: Come work at Meta! (Facebook/Instagram/WhatsApp/etc.)
2021-11-07: Parallel coordinate plots for visualizing functions
2021-11-06: Visualizing Cohen's h
2021-10-31: Simple diff-in-diff
2021-10-30: My daily routine
2021-10-19: Core RAPPOR
2021-10-17: “how the world could be made a good and happy place”
2021-10-06: The Case Against Education, by Caplan
2021-10-03: XGBoost/LightGBM/CatBoost (briefly)
2021-09-19: Staff Engineer, by Larson
2021-09-17: Weight of Evidence is logistic coefficients
2021-09-15: You can derive the formula for the determinant
2021-09-15: The flow metaphor for matrix multiplication
2021-09-14: Didau's 2019 book: Plagiarism and one main bad idea
2021-09-14: David Didau's 2015 book endorses eugenics
2021-09-08: Simple short number notation
2021-09-08: Spaced repetition is O(log n) sustainable
2021-09-07: Try a table instead of a Pareto chart
2021-09-04: Dot product really does give you cosine
2021-09-03: Working Backwards, by Bryar and Carr
2021-08-21: I want to be a mathematician, by Halmos
2021-08-20: How to be a pro (Halmos)
2021-07-21: Books for Machine Learning
2021-05-27: Wise Charlie Mental Models (cards)
2021-05-08: The End of Everything, by Mack
2021-05-08: Statistical Rethinking, by McElreath
2021-05-02: The Scout Mindset, by Galef
2021-05-01: Simple Front Door Regression
2021-04-30: A simple Instrumental Variable
2021-04-22: The Diamond Age, by Stephenson
2021-04-11: Learn You a Haskell for Great Good! by Lipovača
2021-04-05: How to Lie with Statistics, by Huff
2021-04-03: Trekonomics, by Saadia
2021-03-31: Software Engineering at Google
2021-03-30: How to Make the World Add Up, by Harford
2021-03-14: Everybody Lies, by Stephens-Davidowitz
2021-02-27: Intuition, action, and luck (and Harry Potter)
2021-02-26: Vision and Mission
2021-02-25: Elementary Presidents of the US Nations
2021-02-18: Microphones matter
2021-02-14: The Big Con, by Maurer
2021-02-13: High Concept Pitch Generator
2021-01-31: 101 things to learn in art school, by Kit White
2021-01-22: Let's share books!
2021-01-21: Entangled Life, by Sheldrake
2021-01-16: Pragmatic Thinking and Learning, by Andy Hunt
2021-01-07: The Enchiridion in 52 sentences
2021-01-02: Predicting the future from 2021
2020-12-30: The weather outside is frightening
2020-12-27: Estimate manifold dimensionality with LID
2020-12-21: Ulysses' compass
2020-12-10: The Pragmatic Programmer
2020-12-06: Thinking Cards
2020-11-28: Add variance to achieve a given correlation
2020-11-27: Correlation can be confounder determination
2020-11-25: Relaxing News
2020-11-24: Take notes like Paul Halmos
2020-11-11: Cattell didn't say we process words faster than pictures
2020-11-09: The Economics of Star Trek, by Webb
2020-11-08: Game Changer, by Solomon and Blumberg
2020-11-07: How to Live on 24 Hours a Day, by Bennett
2020-10-30: The Variance Sum Law is Interesting
2020-10-28: Failure to Disrupt, by Reich
2020-10-21: Sampling can be hard to beat, for text understanding
2020-10-19: The Point of Pointless Work, by Almossawi
2020-10-18: Problem Solving 101, by Watanabe
2020-10-12: Bad Arguments, by Almossawi
2020-10-11: Bad Choices, by Almossawi
2020-10-09: Anki is easy
2020-10-08: Fusion isn't so hard
2020-10-05: Give the model epistemology
2020-10-01: Drawbridge Up, by Enzensberger
2020-09-27: Definitional and Computational Sum of Squares are equal
2020-09-26: AI Superpowers, by Lee
2020-09-25: How Not to Be Wrong, by Ellenberg
2020-09-24: Trivia rewards test-time effort
2020-09-23: Axiomatic Thinking (Hilbert, 1918)
2020-09-17: The Book of Why, by Pearl and Mackenzie
2020-09-12: What should be in your regression?
2020-09-10: GPU environment variables
2020-09-09: A Mathematician's Lament, by Lockhart
2020-09-02: Share a tmux session
2020-08-16: e: The Story of a Number (and more)
2020-08-15: Green Eggs and Ham uses 50 words
2020-08-06: Life expectancy is historically misleading
2020-08-05: Factfulness, by Rosling
2020-08-04: The Man Who Solved the Market, by Zuckerman
2020-07-28: Technological Revolutions and Financial Capital, by Perez
2020-07-25: The Art of Doing Science and Engineering, by Hamming
2020-07-16: Lateral Thinking: Creativity Step by Step
2020-07-15: Communicate Immediately
2020-07-14: Asimov's Foundation trilogy
2020-05-23: Peopleware: Productive Projects and Teams
2020-05-02: Looks like people don't die on weekends
2020-04-25: The Tyranny of Metrics, by Muller
2020-04-13: The Ultimate Question 2.0, by Reichheld
2020-03-22: The Montessori Toddler, by Simone Davies
2020-02-09: Zombie Ideas
2020-02-07: What If? by Randall Munroe
2020-02-06: Practical Statistics for Data Scientists, 2nd Edition
2020-01-24: The Three Body Problem (Remembrance of Earth's Past)
2020-01-12: Predicting the Future from 2020
2020-01-01: How To, by Randall Munroe
2019-12-29: Look Look Look, by Callista Buchen
2019-11-09: Open Borders, by Caplan and Weinersmith
2019-11-08: Accelerando, by Stross
2019-11-03: Q-Learning Tic-Tac-Toe, Briefly
2019-10-09: Influence, by Cialdini
2019-10-05: How to be Miserable, by Paterson
2019-09-01: The AWK Programming Language
2019-08-24: The $100 Startup
2019-07-27: SQL Performance Explained, by Winand
2019-07-07: Expert Python Programming by Jaworski and Ziadé
2019-06-29: Using Pipenv
2019-06-26: Circe by Madeline Miller
2019-06-17: Aladdin translated by Yasmine Seale
2019-06-13: Exhalation by Ted Chiang
2019-06-06: Designing Data-Intensive Applications
2019-06-02: The Book Thing of Baltimore
2019-05-31: Null impact of letters to very unlikely voters
2019-05-29: Understanding MyinTuition
2019-04-03: The One Thing
2019-02-04: Swimming with Sharks, by Joris Luyendijk
2019-01-29: The Unreal and The Real, Volume Two
2019-01-28: Bird by Bird, by Anne Lamott
2018-12-31: The Expectant Father and so on
2018-12-28: The Equation of a Plane
2018-12-27: The Whole-Brain Child
2018-12-26: Gaussian Processes are Not So Fancy
2018-12-09: Brain Rules for Baby
2018-12-04: Is it worth doing even if it fails?
2018-11-25: How To Invent Everything
2018-08-23: Machine learning / Deep learning
2018-08-12: Land of Lisp
2018-07-23: The Broken Earth trilogy
2018-07-19: Geolocation precision by digit
2018-04-29: Portfolios of the Poor
2018-03-12: Consider Phlebas by Iain M. Banks
2018-02-18: Scarcity by Sendhil Mullainathan and Eldar Shafir
2018-02-13: Failure to replicate Schwartz-Ziv and Tishby
2018-02-10: The Coming Jobs War by Jim Clifton
2018-01-28: Worm by Mark Bowden
2018-01-25: No More Work by James Livingston
2018-01-22: Why the Rich are Getting Richer
2018-01-21: Janesville: An American Story
2018-01-18: Boomerang by Michael Lewis
2018-01-15: The Man in the High Castle
2017-12-29: Designing Your Life
2017-11-14: Deep Reinforcement Learning
2017-10-22: Mounting Disks on AWS
2017-09-17: Science as Mountaineering
2017-09-11: Problems with ImageNet and its Solutions
2017-08-30: Berkeley Deep RL Bootcamp
2017-08-25: Characteristics of good theories
2017-08-24: Unique IDs and Nielsen abuse
2017-08-23: Transfer of allegiance from theory to theory
2017-08-22: Scientific and historical levels of explanation
2017-08-21: A downward spiral destructive of civic virtue
2017-07-05: Word Vectors and SAT Analogies
2017-05-26: Questions from TensorFlow APIs Webinar
2017-05-24: More and Better: The New TensorFlow APIs
2017-05-21: Navigating TensorFlow Estimator Documentation
2017-05-17: Code Reading Questions at OSCON
2017-05-10: Caffe and TensorFlow at Deep Learning Analytics
2017-05-09: Building TensorFlow Systems from Components
2017-05-06: Simple Regression with a TensorFlow Estimator
2017-05-05: Simple Dataset: US Presidential Party and GDP Growth
2017-05-02: Pre-trained Models with Keras in TensorFlow
2017-04-30: Sampling ImageNet
2017-04-30: TensorFlow's QueueRunner
2017-04-29: From Behaviorist to Constructivist AI
2017-04-28: Everything in the Graph? Even Glob?
2017-04-27: Sparse Tensors and TFRecords
2017-04-26: Parsing TFRecords inside the TensorFlow Graph
2017-04-25: mystery.tfrecords
2017-04-23: TensorFlow as Automatic MPI
2017-04-12: Reading from Disk inside the TensorFlow Graph
2017-04-11: Distributed MapReduce with TensorFlow
2017-04-10: TensorFlow Clusters: Questions and Code
2017-04-04: How Not To Program the TensorFlow Graph
2017-04-03: Images and TFRecords
2017-03-31: On Tyranny: Twenty Lessons from the Twentieth Century
2017-03-30: TFRecords via Protocol Buffer Definitions
2017-03-29: Protocol Buffers in Python
2017-03-28: TensorFlow as a Distributed Virtual Machine
2017-03-27: TensorFlow and Queues
2017-03-24: The TensorFlow Coordinator for Python Threading
2017-03-23: TFRecords for Humans
2017-03-22: TensorFlow Logging
2017-03-21: Various TensorFlow APIs for Python
2017-03-20: TensorFlow APIs for Various Languages
2017-03-19: Thank You for Reaching Out (an FAQ)
2017-03-18: Much Ado about the TensorFlow Logo
2017-03-15: TensorFlow and a Googleverse like the Hadleyverse
2017-03-14: Command-Line Apps and TensorFlow
2017-03-13: TensorFlow use of Google Technologies
2017-03-12: Use only what you need from TensorFlow
2017-03-11: Does TensorFlow Suffer from the Second-System Effect?
2017-02-16: OmegaGo
2016-10-05: Presenting “Hello, TensorFlow!” Again
2016-07-07: Highlights from ICML 2016
2016-07-03: Conferences: What is the Deal?
2016-06-29: Presenting “Hello, TensorFlow!”
2016-06-20: Hello, TensorFlow! (Just the Code)
2016-06-19: Writing with O'Reilly
2016-06-09: Your Favorite Class
2016-05-31: A Machine to Foretell the Future?
2016-05-28: Old Article for the Cardinal: "UW computer models weather patterns"
2016-04-27: Simple isn't Easy
2016-04-17: Equivalences between Tables, Maps, Graphs, and Sets
2016-03-27: Mindstorms: Children, Computers, and Powerful Ideas
2016-03-22: Books for Programmers
2016-03-20: Books for Professionals
2016-02-15: Moments of Impact
2016-02-09: How I Blog, or, Colophon
2016-02-07: Talk Like TED
2015-12-31: Juggling for Programmers
2015-12-14: Hearing Data with Sonic Histograms
2015-12-06: How to Eat Computers
2015-11-29: See sklearn trees with D3
2015-11-22: A New Culture of Learning
2015-11-22: Lauren Ipsum
2015-11-18: Debugging Teams
2015-11-12: Creative Data Science
2015-09-07: Interactive Perceptron Training Toy
2015-07-05: Don't Shoot the Dog!
2015-06-16: Code Reading Question
2015-06-14: The NVIDIA Jetson TK1 with Caffe on MNIST
2015-06-10: A JavaScript Perceptron
2015-06-07: TextBlob Sentiment: Calculating Polarity and Subjectivity
2015-05-30: Practical Mergic at Open Data Science Conference
2015-05-24: TF-IDF is about what matters
2015-05-22: Chains
2015-05-20: Practical Mergic at NY Open Statistical Programming
2015-05-14: mergic lightning talk at PyData NYC
2015-04-25: Working with Captured Variables in Python Closures
2015-04-25: Two Highlights from NY R Conference 2015
2015-04-23: Forward Selection with statsmodels
2015-04-17: R Squared Can Be Negative
2015-02-21: RStudio in a Web Browser
2015-02-20: Data Science isn't Magic
2015-01-26: To Migrate from GitHub to BitBucket
2015-01-25: Monads by Diagram
2015-01-20: Use pew, not virtualenvwrapper, for Python virtualenvs
2015-01-19: gog: a separate layer for visualization
2015-01-11: A Great Python Book explains Hash Tables
2015-01-01: Learn to Code with Emacs
2014-12-31: Two Problems with Learn-to-Code Sites
2014-12-30: Use Info in Emacs
2014-12-29: Calendar Plots should be Easy
2014-12-25: How does R calculate histogram break points?
2014-12-20: DC Voter Registration Data
2014-12-15: Please stop saying “Big Data”
2014-12-07: Make it Easy to Install Emacs
2014-11-29: Ruby Symbols are not Lisp Symbols
2014-11-25: Alan Kay on Big Data
2014-11-17: Well-Used Simple Tools
2014-11-07: A True and Delightful Incident
2014-11-01: Functional Javascript is
2014-10-23: JSON-stat and rjstat
2014-10-07: Emacs and Python
2014-10-04: Excellent tech/data things to do in DC
2014-09-21: Scraping GNU Mailman Pipermail Email List Archives
2014-09-14: The Information: a History, a Theory, a Flood
2014-09-13: Dataclysm: There's another book
2014-08-31: I want an edit button on everything
2014-08-17: How To Sort By Average Rating
2014-08-10: Action and Prioritization, Advertising and Intervention
2014-08-02: Genocide Data
2014-07-15: Data and Truth
2014-06-30: Wrap-up from DC Hack and Tell #4
2014-06-19: Wrap-up from DC Hack and Tell #3
2014-06-08: Unnatural Causes
2014-06-08: Here Comes Everybody
2014-05-15: Quizz Quotes
2014-04-26: Writing to think: Questions on the web
2014-04-05: Data done wrong: The only-most-recent data model
2014-03-15: Double pie chart re-design implemented!
2014-03-11: And Another Thing... from the Hitchhiker's Guide
2014-03-02: Popularity Contest
2014-02-23: Bayes' Rule for Ducks
2014-02-23: A micro-intro to ggmap
2014-02-21: doge coding: much wow
2014-02-16: Set up git/hub on Ubuntu
2014-02-15: A shared playground on Ubuntu
2014-02-13: Official GeekyBack and "SSH in a Box" Lyrics
2014-01-25: Easy AWS EC2 Ubuntu Quick Start
2014-01-19: Daily Rituals is sort of inspiring
2014-01-13: Data from naldaramjui.com
2014-01-11: Aims of Education
2014-01-10: NYC Test Data
2014-01-07: Clean data with R
2014-01-04: Some theory and practice for data cleaning
2014-01-01: The shortest introduction to R
2014-01-01: Bad Data Handbook: Quite Good
2013-12-31: Excel Two Thousand and Wat
2013-12-29: Use counts, not percentages
2013-12-26: Number-line comparisons are good for code
2013-12-12: Building Predictive Models for NYC High Schools
2013-11-20: NYC standardized test results: Changes in average scores by year - where is the Common Core shake-up?
2013-11-19: NYC standardized test results: Changes in average scores for school grades and cohorts
2013-11-18: NYC standardized test results: Schools fight the Law of Large Numbers
2013-11-17: NYC standardized test results: Normalizing the distributions of average scores
2013-11-17: NYC standardized test results: Number of students tested at the school grade subject level
2013-11-16: NYC standardized test results: The total number of tests by grade viewed by cohort
2013-11-16: NYC standardized test results: Considering District 75 schools
2013-11-16: NYC standardized test results: The total number of students and tests by grade
2013-11-15: NYC standardized test results: The total number of students and tests
2013-11-15: NYC standardized test results: Checking out the number of students tested in Math and ELA again
2013-11-14: NYC standardized test results: Checking out the number of students tested in Math and ELA
2013-11-13: NYC standardized test results: Putting the data together and looking at it
2013-11-11: What's the difference between Bayesian and non-Bayesian statistics?
2013-10-27: Rambling toward a definition of Big Data
2013-10-23: Include explicit assumption tests in analysis code
2013-10-14: Data Science is Learning from Data
2013-10-13: Tall Infographic: NYC Public School Grade Configurations
2013-10-12: Just-in-Time Teaching: Blending Active Learning with Web Technology
2013-10-10: Infographics are dead - Long live information graphics!
2013-10-08: Just-in-Time Teaching (JiTT) very cool but hamstrung by lousy name and lack of implementation
2013-10-08: Data and Analysis: another five-part model
2013-10-06: Redesigning a double pie chart
2013-09-30: NYC goes back to school: Attendance numbers show overall ramp-up
2013-09-28: Polya's How to solve it: Quotes and comments
2013-09-23: Perplexity: what it is, and what yours is
2013-09-17: A sensible characterization of mode, median, and mean
2013-09-01: Information Dashboard Design by Stephen Few (Second Edition)
2013-08-26: Degree Qualification Profiles: Cool idea, bad map
2013-08-25: Health System Standards
2013-07-24: Clustered R-squared Heat-Maps in R
2013-07-21: e is the best base
2013-07-21: Some quotes from If on a winter's night a traveler by Italo Calvino
2013-06-21: How to calculate Gini Coefficient from raw data in Python
2013-06-13: R-Squared and Adjusted R-Squared for a Linear Model
2013-05-21: Command-Line Data Manipulation
2013-04-25: Programming is not Mathematics
2013-03-21: Error Rates in Measuring Teacher and School Performance Based on Student Test Score Gains
2013-03-20: Human-Computer Cooperation for Data Merging
2013-03-06: Value-Added Measures Unstable: Responses from Rockoff and Kane
2013-02-15: Notes from "Educational Data Mining: Predict the Future, Change the Future"
2013-02-11: NYU Large Scale Machine Learning (Big Data) Lecture Two: More Methods and also LBFGS
2013-02-05: Finding the MIC of a circle
2013-02-03: PCA, 3D Visualization, and Clustering in R
2013-02-02: Install Vowpal Wabbit on Mac OS X
2013-02-02: The API the FEC Uses
2013-01-31: NYU Large Scale Machine Learning (Big Data) Lecture One: Online Linear Classification
2013-01-30: Visualize co-occurrence graph from document occurrence input using R package 'igraph'
2013-01-21: 1,236 multiple-choice MCAS math items
2013-01-21: This is the new blog
2013-01-21: This is the old blog
2013-01-17: Fix R Tcl/Tk dependency problem on Mac OS X by installing working Tcl/Tk
2013-01-16: Opinionated notes from the NYC Ed Tech Meetup
2013-01-13: Upload images to your imgur account from the command line
2012-12-29: Highlights from "This Will Make You Smarter"
2012-11-12: Art is Art: Two Galleries
2012-10-28: Success in Natural Language Processing is Human-Level Intelligence
2012-10-27: metric-driven vs. data-driven
2012-08-12: Exploring Everyday Things with R and Ruby
2012-08-05: Memorization vs. Understanding is really Breadth vs. Depth
2012-06-27: Doubles are sufficient for all data relations
2012-06-07: How hiring works now
2012-06-05: Why I don't like vocational education
2012-06-04: Expected value is not useful for making decisions about lottery tickets
2012-06-02: Thoughts and selections from The human side of school change
2012-05-31: Wrapping up Five Minds for the Future
2012-05-27: Indirect arithmetic for more engaging practice
2012-05-23: Lectures vs. Videos
2012-05-22: Quotes from Rework
2012-05-20: Bits from the beginning of Five Minds for the Future
2012-05-18: Quotes from Frederick W. Kantor
2012-05-17: Brief thoughts on Simulacron-3
2012-05-07: Reinvent standardized tests for openness
2012-04-02: Idea for poem or title for book of poetry
2012-03-14: More on educating for cognitive/behavioral outcomes (not just content knowledge/skills)
2012-03-11: Free Will Resolved
2012-03-06: Excel 2007 PERCENTRANK is trash.
2012-03-05: Math for Good Thinking
2012-03-05: Ramblings on Learning Management Systems
2012-03-05: Slang Equivalencies from Big L's "Ebonics"
2011-12-28: Words from The New Kids by Brooke Hauser
2011-12-27: Thoughts on Now You See It by Cathy Davidson
2011-12-20: (link) on the non-availability of excellent prepared curricula
2011-12-18: Thoughts on The Good School
2011-12-17: Selections from and thoughts on Thinking, Fast and Slow
2011-12-15: Thinking about educational technology
2011-11-05: The future of the economy and how it relates to education
2011-11-03: Ghostspotting: Belated Halloween musings on epistemology
2011-10-16: slides in time (a poem)
2011-10-16: Self-Portrait (a poem)
2011-09-10: The Future of Education
2011-08-23: lazy poetry (or) stone becomes sand (a poem)
2011-08-23: Ishmael
2011-08-23: Meta Math! The Quest for Omega
2011-08-10: I discovered a poem (a poem)
2011-08-10: Language Separates Us, or "♡" (a poem)
2011-08-10: Artist's Statement (a poem)
2011-06-22: Litany of Errors (4)
2011-06-16: The Learning Revolution
2011-06-13: Starbucks Double Tall Latte Pricing in Four Markets
2011-06-12: Bad Influence Books
2011-06-12: Equivalents to language
2011-05-31: Is Starbucks more expensive in Seoul or LA?
2011-05-28: The Psychopath Test
2011-05-25: Congratulations, nothing has changed.
2011-05-15: IQ vs. motivation vs. activity level
2011-05-12: Computerized Adaptive Teaching?
2011-05-12: Signs... for my life.
2011-05-11: Litany of Errors (3)
2011-05-11: School of One, Core Standards, Probability, New York
2011-05-09: Litany of Errors (2)
2011-05-09: 아름다운 스위스
2011-05-09: Litany of Errors (1)
2011-05-09: 시: 사랑한다는 것
2011-05-05: NO FRIENDS: photography at Gallery Jungdabang
2011-04-29: Bernar Venet: Paintings at SeMA
2011-04-10: 토픽 대비반 글쓰기 7
2011-04-03: 토픽 대비반 글쓰기 6
2011-03-27: What we believe but cannot prove
2011-03-26: 토픽 대비반 글쓰기 5
2011-03-19: 토픽 대비반 글쓰기 4
2011-03-14: Listened to The Four-Hour Work Week
2011-03-12: 토픽 대비반 글쓰기 3
2011-03-12: 허전하다
2011-03-09: Thoughts on listening to The Four-Hour Body (abridged)
2011-03-06: 토픽 대비반 글쓰기 2
2011-03-05: How to Win Friends and Influence People
2011-02-25: 토픽 대비반 글쓰기 1
2011-02-16: Minute 7:10 AM
2011-02-15: Minute 7:09 AM
2011-02-14: Minute 7:08 AM
2011-02-13: Korean classes at Sookmyung University, Saturdays 3-5pm
2011-02-12: Minute 7:07 AM
2011-02-11: Minute 7:06 AM
2011-02-10: Minute 7:05 AM
2011-02-09: Minute 7:04 AM
2011-02-08: Minute 7:03 AM
2011-02-08: Minute 7:02 AM
2011-02-06: Minute 7:01 AM
2011-02-06: Thinking about (comprehensible) input and ouput
2011-02-06: Thoughts and recommendations on language books after a visit to the book store
2011-02-06: Some musings on construction and flashcards...
2011-02-05: Minute 7:00 AM
2011-02-05: In which I decide to write a novel, starting tomorrow
2011-02-05: Conceptualizing language for teaching and learning
2011-02-04: Schumacher Bathroom Signs
2011-02-04: Reconsidering Hirsch
2011-02-04: Outline of a Philosophy
2011-02-03: Thoughts on 'Does college make you smarter?'
2011-01-31: Thoughts on Frindle
2011-01-25: Thoughts on The Grand Design
2011-01-18: Thoughts on The Year of the Flood
2011-01-15: Thoughts on a computer playing Jeopardy
2011-01-03: Thoughts on Oryx and Crake
2011-01-03: Thoughts on written language
2010-11-28: 'Imma gonna eat choo!' Zhiwan Cheung: recent paintings
2010-11-21: Translating The Social Network
2010-11-07: Logan's Run
2010-11-07: PBS "The Human Spark"
2010-11-07: TMS: Transcranial Magnetic Stimulation
2010-10-22: Thoughts on 'Program or Be Programmed'
2010-10-20: Thoughts on 'The Work of Art in the Age of Mechanical Reproduction'
2010-10-10: 'God couldn't do faster': Human solutions.
2010-09-01: 한국의 사교육과 공교육
2010-09-01: Story-time with Aaron: Part 8
2010-09-01: Story-time with Aaron: Part 7
2010-08-24: 6급 8과 2항 2 연대 한국어학당 숙제
2010-08-23: 6급 8과 2항 1 연대 한국어학당 숙제
2010-08-20: 6급 8과 1항 2 연대 한국어학당 숙제
2010-08-18: 6급 8과 1항 1 연대 한국어학당 숙제
2010-08-17: 6급 7과 2항 2 연대 한국어학당 숙제
2010-08-16: 6급 7과 2항 1 연대 한국어학당 숙제
2010-08-13: 6급 7과 1항 2 연대 한국어학당 숙제
2010-08-12: 6급 6과 2항 3 / 7과 1항 1 연대 숙제
2010-08-11: 6급 6과 2항 2 연대 한국어학당 숙제
2010-08-09: 6급 6과 2항 1 연대 한국어학당 숙제
2010-08-08: Thoughts on Single-Consciousness Time-Travel Reincarnation as a Really Cool Idea
2010-08-08: Thoughts on Language Change and Dictionaries
2010-08-06: 6급 6과 1항 2 연대 한국어학당 숙제
2010-08-05: 6급 6과 1항 1 연대 한국어학당 숙제
2010-08-03: 6급 5과 2항 연대 한국어학당 숙제
2010-07-31: Thoughts on Tinkering Toward Utopia
2010-07-29: 6급 5과 1항 2 연대 한국어학당 숙제
2010-07-28: 6급 5과 1항 1 연대 한국어학당 숙제
2010-07-22: 6급 4과 2항 2 연대 한국어학당 숙제
2010-07-20: 6급 4과 2항 1 연대 한국어학당 숙제
2010-07-19: 6급 4과 1항 연대 한국어학당 숙제
2010-07-13: 6급 3과 2항 2 연대 한국어학당 숙제
2010-07-12: 6급 3과 2항 1 연대 한국어학당 숙제
2010-07-11: 6급 3과 1항 연대 한국어학당 숙제
2010-07-06: 6급 2과 2항 2 연대 한국어학당 숙제
2010-07-05: 6급 2과 2항 1 연대 한국어학당 숙제
2010-07-02: 6급 2과 1항 2 연대 한국어학당 숙제
2010-07-01: 6급 2과 1항 1 연대 한국어학당 숙제
2010-06-30: 6급 1과 2항 2 연대 한국어학당 숙제
2010-06-29: 6급 1과 2항 1 연대 한국어학당 숙제
2010-06-28: 6급 1과 1항 2 연대 한국어학당 숙제
2010-06-27: 6급 1과 1항 1 연대 한국어학당 숙제
2010-06-07: 5급 6과 2항 3 / 7과 1항 1 / 7과 2항 2
2010-06-03: 5급 8과 2항 1 / 7과 2항 1 연대 숙제
2010-06-01: 5급 8과 1항 2 연대 한국어학당 숙제
2010-05-31: 5급 8과 1항 1 연대 한국어학당 숙제
2010-05-19: 5급 6과 2항 2 연대 한국어학당 숙제
2010-05-17: 5급 6과 2항 1 연대 한국어학당 숙제
2010-05-14: 5급 6과 1항 2 연대 한국어학당 숙제
2010-05-13: 5급 6과 1항 1 연대 한국어학당 숙제
2010-05-11: 5급 5과 2항 2 연대 한국어학당 숙제
2010-05-10: 5급 5과 2항 1 연대 한국어학당 숙제
2010-05-09: 5급 5과 1항 2 연대 한국어학당 숙제
2010-05-06: 5급 5과 1항 1 연대 한국어학당 숙제
2010-05-01: 5급 4과 2항 2 / 1항 4 연대 한국어학당 숙제
2010-04-27: 5급 4과 2항 1 연대 한국어학당 숙제
2010-04-26: 5급 4과 1항 3 연대 한국어학당 숙제
2010-04-23: 5급 4과 1항 2 연대 한국어학당 숙제
2010-04-22: 5급 4과 1항 1 연대 한국어학당 숙제
2010-04-21: Story-time with Aaron: Part 6
2010-04-21: 5급 3과 2항 3 연대 한국어학당 숙제
2010-04-20: Story-time with Aaron: Part 5
2010-04-20: 5급 3과 2항 2 연대 한국어학당 숙제
2010-04-19: 5급 3과 1항 3 / 2항 1 연세대학교 한국어학당 숙제
2010-04-18: 5급 2과 3항 1 연대 한국어학당 숙제
2010-04-17: 5급 3과 1항 2 연대 한국어학당 숙제
2010-04-16: 5급 3과 1항 1 연대 한국어학당 숙제
2010-04-15: Story-time with Aaron: Part 4
2010-04-15: 5급 2과 2항 3 연대 한국어학당 숙제
2010-04-14: 5급 2과 2항 2 연대 한국어학당 숙제
2010-04-13: 5급 2과 2항 1 연대 한국어학당 숙제
2010-04-12: 5급 2과 1항 2 연대 한국어학당 숙제
2010-04-09: 5급 2과 1항 1 연대 한국어학당 숙제
2010-04-08: 신문 발표: 5급 1번
2010-04-07: 5급 1과 2항 2 연대 한국어학당 숙제
2010-04-06: 5급 1과 2항 1 연대 한국어학당 숙제
2010-04-05: 5급 1과 1항 2 연대 한국어학당 숙제
2010-04-04: 한국 신문 Korean Newspapers
2010-04-04: Story-time with Aaron: Part 3
2010-04-02: 5급 1과 1항 1 연대 한국어학당 숙제
2010-04-01: Story-time with Aaron: Part 2
2010-03-30: Story-time with Aaron: Part 1
2010-03-21: bboy Aerospace Footage
2010-03-13: Aerospace Battle Footage 2010 (to 3.14)
2010-03-09: Goals or whatever
2010-02-25: Poor Students
2010-02-23: Things I say a lot.
2010-02-20: In which I compare my old job in New York with my current job in Korea
2009-12-19: 한국어 숙제 5급 28과
2009-12-19: 한국어 숙제 5급 27과
2009-12-19: 한국어 숙제 5급 26과
2009-12-19: 한국어 숙제 5급 25과
2009-12-19: 한국어 숙제 5급 24과
2009-12-19: 한국어 숙제 5급 23과
2009-12-18: 한국어 숙제 5급 22과
2009-12-18: 한국어 숙제 5급 21과
2009-12-13: 한국어 숙제 5급 20과
2009-12-12: 한국어 숙제 5급 19과
2009-12-06: 한국어 숙제 5급 18과
2009-12-06: 한국어 숙제 5급 17과
2009-12-04: 한국어 숙제 5급 16과
2009-11-22: 한국어 숙제 5급 15과
2009-11-21: 한국어 숙제 5급 14과
2009-11-19: 한국어 숙제 5급 13과
2009-11-10: 나의 성격 (편집 후)
2009-10-10: 한국어 숙제 5급 12과
2009-10-03: 나의 성격
2009-10-02: 한국어 숙제 5급 11과
2009-09-28: 한국어 숙제 5급 10과
2009-09-28: 한국어 숙제 5급 9과
2009-09-28: 한국어 숙제 5급 8과
2009-09-27: 한국어 숙제 5급 7과
2009-09-27: "The School" by William Blake
2009-09-27: 한국어 숙제 5급 6과
2009-08-23: 한국어 숙제 5급 5과
2009-08-23: English Speaking Test Questions of Dissimilar Difficulty
2009-08-23: "Ethics" by Linda Pastan
2009-08-20: 한국어 숙제 5급 4과
2009-08-20: 한국어 숙제 5급 3과
2009-08-19: 한국어 숙제 5급 2과
2009-08-19: 한국어 숙제 5급 1과
2009-07-29: 한국어 숙제 4급 30과
2009-07-29: 한국어 숙제 4급 29과
2009-07-29: 한국어 숙제 4급 28과
2009-07-27: 한국어 숙제 4급 27과
2009-07-26: 한국어 숙제 4급 26과
2009-07-26: 한국어 숙제 4급 25과
2009-07-26: 한국어 숙제 4급 24과
2009-07-26: 한국어 숙제 4급 23과
2009-07-24: 한국어 숙제 4급 22과
2009-07-24: 한국어 숙제 4급 21과
2009-07-24: 한국어 숙제 4급 26과~30과 복습
2009-07-24: 한국어 숙제 4급 21과~25과 복습
2009-07-23: 한국어 숙제 4급 16과~20과 복습
2009-07-23: 한국어 숙제 4급 11과~15과 복습
2009-07-23: 한국어 숙제 4급 6과~10과 복습
2009-07-23: 한국어 숙제 4급 1과~5과 복습
2009-07-23: 한국어 숙제 4급 20과
2009-07-12: 한국어 숙제 4급 19과
2009-07-12: 한국어 숙제 4급 18과
2009-07-11: 한국어 숙제 4급 17과
2009-07-11: 한국어 숙제 4급 16과
2009-07-11: 한국어 숙제 4급 15과
2009-07-11: 한국어 숙제 4급 14과
2009-07-11: 한국어 숙제 4급 13과
2009-07-11: 한국어 숙제 4급 12과
2009-07-10: 한국어 숙제 4급 11과
2009-07-05: 한국어 숙제 4급 10과
2009-07-05: 한국어 숙제 4급 9과
2009-07-05: 한국어 숙제 4급 8과
2009-07-04: 한국어 숙제 4급 7과
2009-07-04: 한국어 숙제 4급 6과
2009-07-04: 한국어 숙제 4급 5과
2009-06-26: 한국어 숙제 4급 4과
2009-06-26: 한국어 숙제 4급 3과
2009-06-06: 한국어 숙제 4급 2과
2009-06-04: 한국어 숙제 4급 1과
2009-06-02: 한국어 숙제 3급 26과~30과 복습
2009-06-01: 한국어 숙제 3급 21과~25과 복습
2009-06-01: 한국어 숙제 3급 16과~20과 복습
2009-06-01: 한국어 숙제 3급 11과~15과 복습
2009-05-30: 한국어 숙제 3급 6과~10과 복습
2009-05-30: 한국어 숙제 3급 1과~5과 복습
2009-05-30: 한국어 숙제 3급 30과
2009-05-30: 한국어 숙제 3급 29과
2009-05-30: 한국어 숙제 3급 28과
2009-05-29: 한국어 숙제 3급 27과
2009-05-29: 한국어 숙제 3급 26과
2009-05-29: 한국어 숙제 3급 25과
2009-05-28: 한국어 숙제 3급 24과
2009-05-28: 한국어 숙제 3급 23과
2009-05-28: 한국어 숙제 3급 22과
2009-05-28: 한국어 숙제 3급 21과
2009-05-27: 한국어 숙제 3급 20과
2009-05-26: 한국어 숙제 3급 19과
2009-05-26: 한국어 숙제 3급 18과
2009-05-26: 한국어 숙제 3급 17과
2009-05-10: 한국어 숙제 3급 16과
2009-05-05: 한국어 숙제 2급 6과~10과 복습
2009-05-05: 한국어 숙제 2급 11과~15과 복습
2009-05-05: 한국어 숙제 2급 16과~20과 복습
2009-05-05: 한국어 숙제 2급 21과~25과 복습
2009-05-05: 한국어 숙제 2급 26과~30과 복습
2009-04-30: 슬픈 어린이날 이야기
2009-04-26: 한국어 숙제 3급 15과
2009-04-26: 한국어 숙제 3급 14과
2009-04-26: 한국어 숙제 3급 13과
2009-04-25: 한국어 숙제 3급 12과
2009-04-25: 한국어 숙제 3급 11과
2009-04-25: 한국어 숙제 3급 10과
2009-04-25: 한국어 숙제 3급 9과
2009-04-25: 한국어 숙제 3급 8과
2009-04-25: 한국어 숙제 3급 7과
2009-04-24: 한국어 숙제 3급 6과
2009-04-24: 한국어 숙제 3급 5과
2009-04-24: 한국어 숙제 3급 4과
2009-04-24: 한국어 숙제 2급 30과
2009-04-24: 한국어 숙제 2급 29과
2009-04-24: 한국어 숙제 2급 28과
2009-04-24: 한국어 숙제 2급 27과
2009-04-24: 한국어 숙제 2급 26과
2009-04-18: 한국어 숙제 2급 25과
2009-04-10: The Unseen Muse
2009-04-04: 한국어 숙제 2급 24과
2009-04-04: 한국어 숙제 3급 3과
2009-04-04: 한국어 숙제 3급 2과
2009-04-02: 한국어 숙제 3급 1과
2009-03-28: 한국어 숙제 2급 23과
2009-03-22: 한국어 숙제 2급 22과
2009-03-21: 한국어 숙제 2급 21과
2009-03-20: 한국어 숙제 2급 20과
2009-03-18: 한국어 숙제 2급 19과
2009-03-17: 한국어 숙제 2급 18과
2009-03-16: 한국어 숙제 2급 17과
2009-03-15: 한국어 숙제 2급 16과
2009-03-14: 한국어 숙제 2급 15과
2009-03-14: 한국어 숙제 2급 14과
2009-03-14: 한국어 숙제 2급 13과
2009-03-14: 한국어 숙제 2급 12과
2009-03-14: 한국어 숙제 2급 11과
2009-03-14: Personal objections to etymology influence my language usage
2009-03-13: 한국어 숙제 2급 10과
2009-03-08: 한국어 숙제 2급 9과
2009-03-08: KOREA: FOUR MONTH UPDATE
2009-03-08: 한국어 숙제 2급 8과
2009-03-08: 한국어 숙제 2급 7과
2009-02-22: 가족 소개 발표
2009-02-15: 한국어 숙제 2급 6과
2009-02-15: 한국어 숙제 2급 1과~5과 복습
2009-02-15: 한국어 숙제 2급 5과
2009-02-15: 한국어 숙제 2급 4과
2009-02-15: 한국어 숙제 2급 3과
2009-02-12: 한국어 숙제 2급 2과
2009-02-09: The Looking Glass
2009-02-08: 한국어 숙제 2급 1과
2009-01-26: Current Directions in My Thought
2009-01-25: 한국어 숙제 제21과~제25과 복습
2009-01-25: 한국어 숙제 제25과
2009-01-25: 한국어 숙제 제24과
2009-01-25: 한국어 숙제 제23과
2009-01-23: 한국어 숙제 제22과
2009-01-23: 한국어 숙제 제21과
2009-01-23: 한국어 숙제 제16과~제20과 복습
2009-01-22: 한국어 숙제 제20과
2009-01-22: 한국어 숙제 제19과
2009-01-16: 한국어 숙제 제18과
2009-01-16: 한국어 숙제 제17과
2009-01-15: 한국어 숙제 제16과
2009-01-10: Pimsleur Korean Dialogues: Lessons 1-5
2009-01-10: 한국어 숙제 제11과~제15과 복습
2009-01-10: 한국어 숙제 제15과
2009-01-10: 한국어 숙제 제14과
2009-01-10: 한국어 숙제 제13과
2009-01-08: Observations from the vicinity of The Black Hole
2008-12-28: 한국어 숙제 제12과
2008-12-28: 한국어 숙제 제11과
2008-12-28: 한국말 숙제 제6과~제10과 복습
2008-12-28: 한국말 숙제 제10과
2008-12-28: 한국말 숙제 제9과
2008-12-27: 한국말 숙제 제8과
2008-12-21: 한국말 숙제 제7과
2008-12-21: 한국말 숙제 제6과
2008-12-13: 한국어 숙제 제1과~제5과 복습
2008-12-13: 한국어 숙제 제5과
2008-12-13: 한국어 숙제 제4과
2008-12-13: 한국어 숙제 제3과
2008-12-13: 한국어 숙제 제2과
2008-12-13: 한국어 숙제 (Korean Homework) 제1과 (Chapter 1)
2008-12-08: I am a thirteen-month-old Korean
2008-11-05: Red Bull BC One 2008 Results
2008-11-05: Red Bull BC One 2008 Bracket
2008-10-27: Midwest Bboy Adventuring, October 17-25, 2008
2008-10-15: How water is heated does not affect how it cools
2008-09-10: The unity of nature and nurture
2008-04-14: Springtime in the city
2008-03-23: Planet B-Boy
2008-02-11: All that is
2008-02-07: The Long Hike Log
2008-02-02: Practical Philosophy
2008-01-28: Eduardo for Presidente is watching me
2008-01-27: Lily of the Valley
2008-01-27: Strange but True
2008-01-26: Philosophy Works: Week Two
2008-01-23: The march of time
2008-01-19: Subway Philosophy
2008-01-18: Free-standing newspaper and tape structures
2008-01-16: Dinosaur Comics lead to prior home via Timequake