On Wed, 15 Oct 2008, [EMAIL PROTECTED] wrote:
Full_Name: Vilmos Prokaj
Version: R-2..7.1
OS: Win XP
Submission from: (NULL) (157.181.227.218)
The 'aggregate' function on an empty data.frame generate an error, however it
should return according to the documentation an empty data.frame.
Please
Full_Name: Vilmos Prokaj
Version: R-2..7.1
OS: Win XP
Submission from: (NULL) (157.181.227.218)
The 'aggregate' function on an empty data.frame generate an error, however it
should return according to the documentation an empty data.frame.
e.g.
z<-data.frame(a=integer(0),b=numeric(0))
aggregate(