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New
The latest blog posts to take off on Hacker News. 184 posts.
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PostgreSQL 9.4 Released
18 DECEMBER 2014: The PostgreSQL Global Development Group announces the release of PostgreSQL 9.4, the latest version of the world's …
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Multidimensional analysis of plot arcs in thousands of TV and movie scripts
Note: a somewhat more complete and slightly less colloquial, but eminently more citeable, version of this work is in the Proceedings of the ...
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Average IQ of students by college major and gender ratio
Randy Olson charts out the IQ of students by their major's gender ratio and reveals a startling trend.
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I Love Julia
For the past half year I’ve been exploring Julia in piecemeal fashion. It’s a language that does not conform to the traditional notions of programming. Julia...
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The R language, for programmers
Some things about the R programming language that programmers coming from other languages are likely to trip over.
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PostgreSQL’s New LATERAL Join Type
This post walks through a conversion funnel analysis that wouldn’t be possible in PostgreSQL 9.2
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What's wrong with statistics in Julia?
Introduction Link to heading Several months ago, I promised to write an updated version of my old post, “The State of Statistics in Julia”, that would describe how Julia’s support for statistical computing has evolved since December 2012. I’ve kept putting off writing that post for several reasons, but the most…
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Hermitage: Testing the “I” in ACID
tl;dr: I have created a test suite for comparing the transaction isolation levels in different databases. I did this as background research for my book . This post explains why.
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Rvest: Easy web scraping with R
Introducing rvest: scrape web data with CSS selectors or XPath, extract text/tables, and navigate sites with sessions.
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Starting data analysis with R: Things I wish I'd been told
R is a very powerful open source environment for data analysis, statistics and graphing, with thousands of packages available. After my previous blog post about likert-scales and metadata in R , a few of my colleagues mentioned that they were learning R through a Coursera course on data analysis . I have been working…
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The TechCrunch Bubble Index: Parsing Headlines to Quantify Startup Hype
The TechCrunch Bubble Index quantifies the startup funding environment by counting the number of headlines on TechCrunch relating to startup fundraises
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Aurora - New MySQL-Compatible Database Engine
We launched the Amazon Relational Database Service (Amazon RDS) service way back in 2009 to help you to set up, operate, and scale a MySQL database in the cloud. Since that time, we have added a multitude of options to RDS including extensive console support, three additional database engines ( Oracle, SQL Server, and…
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The Reddit Front Page Is Not a Meritocracy
I was pleasantly surprised when somebody shared my traveling salesman animation to reddit and the post made it all the way to reddit’s default front page (i.e. the top 25). The gif racked up over 1.3 …
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Facebook's Top Open Data Problems
At Meta, research permeates everything we do. We believe the most interesting research questions are derived from real world problems.
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