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DavidMSmith

367 Articles

Package Update Roundup: Feb 2009

In this new monthly feature, we present a roundup of R packages…

DavidMSmith DavidMSmith 3 Min Read

R 2.9.0 scheduled for April 17

It was announced today that the next update to R, version 2.9.0,…

DavidMSmith DavidMSmith 2 Min Read

When is a zero not a zero?

Answer: when it's in floating point.No, this isn't my entry for the…

DavidMSmith DavidMSmith 8 Min Read

Copulas and Wall Street

Wired Magazine has an article this week on the credit crisis: Recipe…

DavidMSmith DavidMSmith 2 Min Read

Detecting latent variables… in rock music

Here's a neat example of data analysis and visualization (sadly, not using…

DavidMSmith DavidMSmith 3 Min Read

R, the FDA, and clinical trials

There's been an interesting discussion recently on the R Project group on…

DavidMSmith DavidMSmith 8 Min Read

Choosing colors in R

R has very powerful capabilities for choosing colors to use in statistical…

DavidMSmith DavidMSmith 2 Min Read