Displaying 1 result from an estimated 1 matches for "tp3937361p3937523".
2011 Oct 25
2
Extracting dataframe rows containing NAs in one column
Hi,
I am working on a data set which looks like this:
> head(temp)
Day Month Year PW ROW
1 1 1 1959 NA 6.40
2 2 1 1959 6.65 6.35
3 3 1 1959 2.50 3.60
4 4 1 1959 0.60 2.25
5 5 1 1959 0.85 0.30
6 6 1 1959 0.00 2.20
I am trying to extract all the rows containing NA. I can extrat all the rows
without NAs in column 4 using
>