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For an edx course, MIT's "The Analtics Edge", I need to install the "caret" package that was originated and is maintained by Dr. Max Kuhn of Pfizer. So far, every effort I've made to try to install.packages...
FWIW, both Excel 2007 and LibreOffice 4.2 yield the correct variance for the numbers in Ranjan Maitra's HW problem for incoming students in R. Namely, both these programs yield a sample variance of 0.2777777778 (rounded to 10...
These are notes on what I did to be able to install package "caret". 0. The initial action was to re-install R v. 3.1.3 from this source file: r-base-core_3.1.3-1trusty_amd64.deb...
This follows up on Duncan Murdock's reply to Boris Steipe's question about possible advantages to using RStudio. I agree with Mr. Murdock's list of advantages of RStudio, but disagree mildly with his comment about feeling that the...
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