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I failed to find Kahneman’s book in the economics section of the bookshop, so I had to ask where it was.  ”Oh, that’s in the psychology section.”  It should have [...]

An introductory comparison of using the two languages. Background R was made especially for data analysis and graphics.  SQL was made especially for databases.  They are allies. The data structure [...]

Music and snow. Poke my eyes out Perhaps your immediate response is: ”I’d rather poke my eyes out with a burning stick than do data analysis.” There’s a completely different [...]

Move your data analysis to a computing environment specifically designed for it. Why R and not spreadsheets? Here are three reasons: complexity graphics money Spreadsheets are easily overwhelmed.  Very complex [...]

The steps taken to fix an R problem. Task To prepare for the Portfolio Probe blog post called ”Implied alpha and minimum variance”, I tried to update a matrix of [...]

How to have a better chance of a good outcome. Making mistakes There’s been a lot of talk recently about data analysis problems with spreadsheets.  If you’ve not stuck your [...]

The AllTrials campaign is pushing for all data on drug trials to be made public -- see the campaign statement. If the public has all the evidence rather than a [...]

Here is an interview with Ron Hochreiter, Assistant Professor at WU Vienna University Economics and Business. In 25 words or less tell us what you do (using German words is [...]

Online Math Degrees has a page of ”100 savvy sites on statistics and quantitative analysis”.  It has some that you recognize, some that you’ve hardly ever heard of. The sites [...]

R is a piece of software, but it is also a community. Help community The most visible aspect of the R community is help.  This is also the most useful [...]