Ghastly R code

September 27, 2011 | 0 Comments

My R package, R/qtl, contains about 33k lines of R code (and 21k lines of C code). Some of it is quite good; some of it is terrible. Here’s another example of the terrible. I’ve long needed to revise the function scantwo, for performing a two-dimensional genome ... [Read more...]

The stupidest R code ever

August 17, 2011 | 0 Comments

Let’s start this blog off right, with the stupidest R mistake I’ve ever made (I think). In the R package that I write, R/qtl, one of the main file formats is a comma-delimited file, where the blank cells in the second row are important, as they distinguish ... [Read more...]

A legitimate use for the stupidest variable name ever

February 2, 2011 | 0 Comments

The help page to make.names describes how to make a valid variable name in R: A syntactically valid name consists of letters, numbers and the dot or underline characters and starts with a letter or the dot not followed by a number. Names such as ‘”.2way”’ are not valid, ...
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