a b A 1 2 B 3 4 C 5 6 The assumption above is that the rownames don't have a header and the columns do. Therefore the default is header=TRUE.
r a b A 1 2 B 3 4 C 5 6 In the second example, the first column is called "r" and it is not clear whether that is a column with a variable or a rowname. Therefore the default is header=FALSE. On Tue, Nov 22, 2011 at 2:47 PM, lucky7 <wokeliandehotm...@gmail.com> wrote: > Hi, > > I just start to use R today! I am reading the R Help on read.csv and the > description for header says "header is set to TRUE if and only if the first > row contains one fewer field than the number of columns". Why is that? My > data has the same number of fields in the first row as the number of > columns. I mean I have no problem opening my csv file I am just curious why > it should be one fewer. > > Thanks! > > -- > View this message in context: > http://r.789695.n4.nabble.com/Header-T-tp4097045p4097045.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<http://www.r-project.org/posting-guide.html> > and provide commented, minimal, self-contained, reproducible code. > [[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.
