Re: [R] Dataframe with unequal rows

2009-01-08 Thread David Winsemius
I doubt that you have a dataframe with those features, since R would not allow such an event; more likely you have data in a file. If your goal is to determine the number of items, then you should definitely look at: ?count.fields count.fields(filename, sep=",") # would give you 1 + the n

Re: [R] Dataframe with unequal rows

2009-01-08 Thread Carlos J. Gil Bellosta
Hello, You are not very precise there. Do you mean that the rows in your text file do not all have the same number of separators (commas, in your case)? Best regards, Carlos J. Gil Bellosta http://www.datanalytics.com On Thu, 2009-01-08 at 04:38 -0500, rahul-a.agar...@ubs.com wrote: > I have a

Re: [R] Dataframe with unequal rows

2009-01-08 Thread anna freni sterrantino
Hi Rahul, try to see ?read.table you may substitute commas with a NA and then sum the NA. I hope that it can help. Cheers Anna Anna Freni Sterrantino Ph.D Student Department of Statistics University of Bologna, Italy via Belle Arti 41, 40124 BO. D