Define: df <- data.frame( line1 = rep(seq(1,5,by=1),2), line2 = rep(seq(2,6,by=1),2), index = rep(seq(1,5,by=1),2),
I have a function that finds any ISO 8859-1 symbol within a given string, and tries converting it to its proper meaning. However, I get question marks instead where I\'d like actual values lik开发者_如