R package: codetools

February 4, 2008

(This article was first published on Yu-Sung Su's Blog, and kindly contributed to R-bloggers)

Since the release of R_2.6.0, R package developers were advised to use the “codetools” package to check potential bugs. However, as I am not familiar with computer language, I found the warning messages a bit confusing. For example:> checkUsage(glm.fit): no visible binding for global variable ‘n’I don’t understand what it really means. Apparently, `n’ was not globally defined but was used inside

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