Please note that ?NaN says
"Computations involving ‘NaN’ will return ‘NaN’ or perhaps ‘NA’: which
of those two is not guaranteed and may depend on the R platform (since
compilers may re-order computations)."
It is not reliable to depend on the distinction between NA and (non-NA)
NaN. Part of
Dear rdevel,
See the example below :
x <- data.frame(a=1)
x$b <- data.frame(z=1)
y <- x
rbind(x,y)
# Error in `.rowNamesDF<-`(x, value = value) :
# duplicate 'row.names' are not allowed
# In addition: Warning message:
# non-unique value when setting 'row.names': ‘1’
I believe, that either it
