Displaying 2 results from an estimated 2 matches for "orgmor".
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1999 Sep 02
1
count of factors
Hello,
I was used to count how many times every factor is found the following
way :
(assuming 'vect' is a vector of factors)
tapply(vect,vect,length)
but recently I experienced weird results with this
In fact, my command line was
tapply(ORGMORE[[1]][vect],ORGMORE[[1]][vect],length)
where
- 'vect' is a vector of indices
- 'ORGMORE[[1]]' is a slightly long vector of factors
In managed to get correct results using
tapply(paste(ORGMORE[[1]][vect]),paste(ORGMORE[[1]][vect]),length)
I am not sure the reason is the presence of...
1999 Sep 02
1
trouble with the 'exclude' parameter of factor() (PR#265)
Full_Name: Laurent Gautier
Version: 0.65.0
OS: Irix 6.5
Submission from: (NULL) (195.110.4.98)
the following doesn't give what I expect
> test _ factor(ORGMORE[[1]],exclude=c(NA,"NOM"))
Warning message:
NAs introduced by coercion
> levels(test)
[1] "CYT" "EXC" "MEM" "NOM" "NUC" "SEC"
while this works...
> test _ factor(ORGMORE[[1]],levels=c("CYT","EXEC",&...