Hi > > [R] Problem with converting factors to numbers > > Hi all, > I have a very simple problem, but i cant find a solution probably because i > search for the wrong keywords. > > I have coordinates x and y. They look like this: > > > str(data) > 'data.frame': 13979 obs. of 2 variables: > $ x : Factor w/ 3815 levels "","186011.4971280",..: 1528 1524 > 1524 1524 1524 ... > $ y : Factor w/ 3792 levels "","449372.9599780",..: 1333 1116 > 1116 1116 1116 ... > > > > data$x[1:10] > [1] 186843.8131840 186842.6156650 186842.6156650 186842.6156650 > 186842.6156650 186842.6156650 186842.6156650 186842.6156650 > [9] 186842.6156650 186842.6156650 > 3815 Levels: 186011.4971280 186021.0356270 186048.6246680 186051.3570180 > 186052.7204140 186052.9162970 ... 188132.9056840 > > > I want them in *numbers*, so i run: > data$x2 <- as.numeric(data$x) > > But what it did is this: > > data$x2[1:10] > [1] 1528 1524 1524 1524 1524 1524 1524 1524 1524 1524 > > I tried converting it via character and then to numeric, but also that didnt > work.
It shall work. However nobody knows how did you apply converting via character and numeric until you post the code you actually used. >From str it seems to me that either your data are from beginning non numeric or you have some non numeric characters in your input data. Regards Petr > > Anyone ideas? > > > > > > > -- > View this message in context: http://r.789695.n4.nabble.com/Problem-with- > converting-factors-to-numbers-tp3826061p3826061.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.