read.csv falsly converts string to integer

Question

I would like to read a csv file but there are columns that contain strings of digits (string variable). The values in the csv file are quoted (\"\") so easily identifyable as st

Answer 1

You can use as.character() on your two columns.

Example :

vec <- c(1,2,3)
> vec
[1] 1 2 3

vec <- as.character(vec)
> vec
[1] "1" "2" "3"

So just write :

datSwm[,4:5] <- as.character(datSwm[,4:5])