> Raubertas, Richard via R-devel
> on Tue, 11 Sep 2018 18:52:55 + writes:
> R 3.5.1 on Windows 7 The documentation for 'var' says:
> "These functions return 'NA' when there is only one
> observation (whereas S-PLUS has been returning 'NaN'), and
> fail if 'x' has
R 3.5.1 on Windows 7
The documentation for 'var' says: "These functions return 'NA' when there is
only one observation (whereas S-PLUS has been returning 'NaN'), and fail if
'x' has length zero." The function 'sd' (based on 'var') has similar
documentation.
However, I get:
var(numeric(0))
[
