Skip to content

Search Archives

Search tips
from:Name Search by author name, e.g. from:Duncan Murdoch "exact phrase" Match an exact phrase word1 word2 Match messages containing both words Date range Use the date pickers to filter results to a time period

Use the list dropdown to narrow results to a specific mailing list. Combine from: with other terms to filter by author and content.

1 result for “from:kaallen”

Extracting dataframe rows containing NAs in one column
kaallen · Oct 25, 2011 · r-help

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...

Can't find what you're looking for? Try searching with Google .