Florian Tobé

I have the following error : Using apriori (0.2.3) from git://github.com/jashmenn/apriori.git (at master) with native extensions Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension. ``` "/home/florian/.rvm/rubies/ruby-1.9.3-p0/bin/ruby" -rubygems /home/florian/.rvm/gems/ruby-1.9.3-p0/gems/rake-0. ``` 9.2.2/bin/rake...

Actually I have some doubt on df It looks like it is an existing funtion in R function (x, df1, df2, ncp, log = FALSE) { if (missing(ncp)) .Internal(df(x, df1,...