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Dear all, I read a file with all numbers with readLines function, as below, > f <- file("data.txt") > a <- readLines(f) but all the values in a are in format "....", and I cannot do the calculation with them since they are not numeric. I wonder how should I skip those quotes, thank you for help! I have to use readLines function instead of scan, read.table or

Dear all, I am trying to install RSQLite package since I want to install "sqldf", and I used >> install.packages("RSQLite") first, which gave Error message as below: make: *** [RS-DBI.o] Error 1 chmod: cannot access `/usr/lib/R/library/RSQLite/libs/*': No such file or directory ERROR: compilation failed for package 'RSQLite' ** Removing