search for: tp24994043p24994409

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2009 Aug 16
1
Can a variable name include '_' or '.' in portable R code
Hi, It says in R-intro.pdf, "For portable R code (including that to be used in R packages) only A?Za?z0?9 should be used." I'm an wondering why '_' and '.' can be used in portable R code. It very common that some variable name should be composed of two or more English words. Can somebody let me know what is the widely accepted practice to concatenate two English