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2020 Oct 14
0
which() vs. just logical selection in df
Inline.
Bert Gunter
"The trouble with having an open mind is that people keep coming along and
sticking things into it."
-- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )
On Wed, Oct 14, 2020 at 3:23 PM 1/k^c <kchamberln at gmail.com> wrote:
Is which() invoking c-level code by chance, making it slightly faster
> on average?
>
You do not need
2020 Oct 14
2
which() vs. just logical selection in df
Hi Dr. Snow, & R-helpers,
Thank you for your reply! I hadn't heard of the {microbenchmark}
package & was excited to try it! Thank you for the suggestion! I did
check the reference source for which() beforehand, which included the
statement to remove NAa, and I didn't have any missing values or NAs:
sum(is.na(dat$gender2))
sum(is.na(dat$gender))
sum(is.na(dat$y))
[1] 0
[1] 0
[1]