Hi all,
I encountered a weird problem when using the
Design and Hmisc libraries in S-Plus (it worked well
in R). I have a data frame called "b", which
has 3 columns: "time", "status" and
"scores", a sample of the data frame is like:
data frame "b":
time status scores
1 27 0 -126.7
2 2
Hi, I encountered a weird problem when using the
Design and Hmisc problem. I have 2 data frame called
"a" and "b", both have 3 columns: "time", "status" and
"scores", a sample of the data frame is like:
data frame "a":
time status scores
1 21 1 99.61
2 38 0 101.11
3 51 0 1
