Re: [R] insert and count missing data

2009-06-02 Thread Gabor Grothendieck
Try this: > Lines <- "No Year month rain + 1398 198510 104.2 + 1399 198511 138.0 + 1400 198512 120.4 + 1401 1986 1 12.6 + 1402 1986 2 19.4 + 1403 1986 3 1.0 + 1404 1986 4 58.8 + 1405 1986 5 98.4 + 1406 1986 6 56.6 + 1407 1986 7 280.4 + 1408 19

[R] insert and count missing data

2009-06-02 Thread Roslina Zakaria
Hi R-users, I have missing data for the month. My question is how do I insert the missing month and fill up the cell with 'na' for the rain amount?  Then I would like to count the percentage of missing data. No Year month rain 1398 1985    10 104.2 1399 1985    11 138.0 1400 1985    12