After checking the original data in Excel for blanks and running Summary(cm3) to identify any null values in my data, I'm unable to identify an instances. Yet when I attempted to use the data in Random Forest, I get the following error. Is there something that Random Forest is reading as null which is not actually null? Is there a better way to check for this?
> library(randomForest) > system.time( + rf1 <- randomForest(as.matrix(cm3[,c(2:length(colnames(cm3)))]), + cm3[,1],data=cm3,ntree=50) + ) *Error in randomForest.default(as.matrix(cm3[, c(2:length(colnames(cm3)))]), : NA/NaN/Inf in foreign function call (arg 1) In addition: Warning message: In storage.mode(x) <- "double" : NAs introduced by coercion Timing stopped at: 1.33 0.01 1.35 * Thanks in advance, Mike -- View this message in context: http://r.789695.n4.nabble.com/Random-Forest-Reading-N-A-s-I-don-t-see-them-tp4201546p4201546.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.
