Hi, I am writing a function that writes to a csv file for every call.
However, for the subsequent calls, I want to append the data to the existing csv file without appending the column names again. I tried searching in the previous posts, but I am stuck with different errors. Here is what I am doing (dataF is a data-frame):- outputFilePath <- paste(getwd(), "/", "outputModel.csv", sep=""); counter <- 1 for (userid in userids){ dataF <- getUserData(userid) if(counter == 1){ write.csv(dataF, file = outputFilePath, append=F) }else{ write.csv(dataF, file = outputFilePath, append=T,col.names=NA) } counter <- counter + 1 } I tried setting col.names = F (In append=T), but no good. Can anyone throw light on the correct usage. Thanks in advance. Regards, Harsh Yadav [[alternative HTML version deleted]] ______________________________________________ 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.