I am attempting to follow this easy 2-minute video tutorial on importing an Excel spreadsheet into R as a data frame: http://www.screenr.com/QiN8
I followed each step, i
As some other answers say already the problem is that perl.exe is missing. In my case it worked after getting it installed from: http://www.activestate.com/activeperl/downloads and then point to it:
read.xls("bla.xlsx", perl = "C:\\Perl64\\bin\\perl.exe")