[R] (newbie) sum for certain number of rows

I have following data in a data.csv file separated by space 0 0 1 0 0 1 0 1 0 0 0 0 0 0 0 0 1 0 0 1 1 0 1 0 0 0 1 1 0 0 0 0 1 1 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 1 0 1 1 0 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 etc... I wish to calculate the sum of each column for certain number of rows. For example i

Re: [R] (newbie) sum for certain number of rows

Thanks. I tried it and it worked wonderful. Wishing for the "DAY' to come. Life needs to be 'reset'. --- On Wed, 7/15/09, Dimitris Rizopoulos wrote: > From: Dimitris Rizopoulos > Subject: Re: [R] (newbie) sum for certain number of rows > To: "kelvin lau&q