Hello, Please include data, say
dput(head(data, 20)) # post the output of this But, is the problem as simple as rowMeans(data[2:3], na.rm = TRUE) ? Hope this helps, Rui Barradas Às 15:53 de 12/09/19, Subhamitra Patra escreveu:
Dear R-users, I have daily data from 03-01-1994 to 29-12-2000. In my datafile, he first column is date and the second and third columns are the returns of the country A, and B. Here, the date column is same for both countries. I want to calculate the monthly average of both country's returns by using a loop, and then, I want to export the results into excel. Please help me in this regard. Please find the attached datasheet. Thank you.
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