[R] What is filter() function doing?

2008-08-10 Thread Sergey Goriatchev
Hello, I cannot understand what filter() function in package stat is doing. For example, what does filter(1:100, c(1,1,1)) mean? Could someone please explain? Help file is not enough for me. Thanks in advance. Sergey __ R-help@r-project.org mailing lis

Re: [R] What is filter() function doing?

2008-08-10 Thread Gabor Grothendieck
For each time point is sums the value prior to it, the value at the time point itself and the value at the next time point. For the first timepoint there is no prior value so its NA. For the second timepoint we have 1+2+3=6. For the third timepoint we have 2+3+4=9 and so on. > filter(1:10, c(