Displaying 2 results from an estimated 2 matches for "hadleyverse".
2014 Aug 21
1
Inconsistent handling of data frames in min(), max(), and mean()
This inconsistency recently came to my attention:
> df <- data.frame(A = 1:10, B = rnorm(10))
> min(df)
[1] -1.768958
> max(df)
[1] 10
> mean(df)
[1] NA
Warning message:
In mean.default(df) : argument is not numeric or logical: returning NA
I recall the times where `mean(df)` would give `colMeans(df)` and this
behaviour was deemed inconsistent. It seems though that the change has
2017 Apr 19
4
difficulty in Ubuntu 14.04 apt-getting R 3.3.2
Hi:
I have a Dockerfile, which builds an image which installed R 3.3.2 in
Ubuntu 14.04, but building using that Dockerfile seems to have stopped
working and I am unclear why.
I believe the relevant error is:
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet