If there is a header in your .txt-file you should have header=TRUE, if there is no header you should have header=FALSE.
You have to save your dataset in a variable, for example: myData<-read.table("data.txt",header=TRUE) Then you can make a histogram by: hist(myData) -- View this message in context: http://r.789695.n4.nabble.com/reading-header-in-txt-file-and-making-histogram-tp4504813p4505896.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.