Hello,
As it turns out, this is valid for all generics of the ?Summary group.
From help("Summary"):
Group "Summary":
all, any
sum, prod
min, max
range
methods("Summary") shows that there is a method for df's.
And the code of Summary.data.frame has an explicit test
if
Hello,
I recently stumbled on an unusual behaviour of any() and all() and have
been adviced from StackOverflow to share it here [1].
df1 <- data.frame(A=TRUE, B=FALSE)
df2 <- data.frame(A=1, B=0)
> any(df1)
Error in FUN(X[[i]], ...):
only defined on a data frame with
