Error in storage.mode(y) <- "double" #14
Description
Having this data:
'data.frame': 100 obs. of 10 variables:
$ lines : num 0.234 0.155 0.275 0.198 0.116 ...
$ organization : num 0.251 0.166 0.295 0.213 0.124 ...
$ would : num 0 0.657 0 0 0 ...
$ one : num 0 0 0.544 0.785 0.229 ...
$ writes : num 0 0.568 0.504 0.363 0.637 ...
$ university : num 0.939 0 0 0 0 ...
$ dont : num 0 0 0 0 0 ...
$ article : num 0 0.319 0 0.409 0.716 ...
$ nntppostinghost: num 0 0.303 0.537 0 0 ...
$ label : Factor w/ 20 levels "alt.atheism",..: 3 12 14 6 11 5 7 15 6 8 ...
I was getting this error:
Error in storage.mode(y) <- "double" :
invalid to change the storage mode of a factor
I found out that the problem was having '.' in the target values!
doing.
data$label <- gsub("\\.", "_", data$label)
Resolved the problem!