Hi R-helpers,
Please see the below R output.
The problem is that after running the ifelse statement, data$SOCIAL_STATUS
is converted from a factor to a character.
Is there some way I can avoid this conversion?
Thanks in advance, Mark Na
> str(data)
'data.frame': 2100 obs. of 11 variables:
$ DATE : Factor w/ 5 levels "4-Jun-09","7-May-09",..: 1 1 1 1 1 1
1 1 1 1 ...
$ POND_ID : Factor w/ 113 levels "10","18","19",..: 8 8 8 8 8 8 8 8 8
8 ...
$ STATUS : num 1 1 1 1 1 1 1 1 1 1 ...
$ SPECIES : Factor w/ 25 levels "AGWT","AMCO",..: 10 10 7 7 3 5 5 5 5
2 ...
$ SOCIAL_STATUS : Factor w/ 8 levels "A","B","D","E",..: 4 1 4 1 4 4 4 4 1
6 ...
$ COUNT_OF_GROUPS: num 1 1 1 1 1 3 3 3 1 2 ...
$ MALE : num 1 1 1 1 1 1 1 1 1 0 ...
$ FEMALE : num 1 0 1 0 1 1 1 1 0 0 ...
$ NOSEX : num 0 0 0 0 0 0 0 0 0 2 ...
$ UPLAND : num 0 0 0 0 0 0 0 0 0 0 ...
$ TAG : num 0 0 0 0 0 0 0 0 0 0 ...
> data$SOCIAL_STATUS<-ifelse(data$SOCIAL_STATUS=="B" & data$MALE>4, "C",
data$SOCIAL_STATUS)
> str(data)
'data.frame': 2100 obs. of 11 variables:
$ DATE : Factor w/ 5 levels "4-Jun-09","7-May-09",..: 1 1 1 1 1 1
1 1 1 1 ...
$ POND_ID : Factor w/ 113 levels "10","18","19",..: 8 8 8 8 8 8 8 8 8
8 ...
$ STATUS : num 1 1 1 1 1 1 1 1 1 1 ...
$ SPECIES : Factor w/ 25 levels "AGWT","AMCO",..: 10 10 7 7 3 5 5 5 5
2 ...
$ SOCIAL_STATUS : chr "4" "1" "4" "1" ...
$ COUNT_OF_GROUPS: num 1 1 1 1 1 3 3 3 1 2 ...
$ MALE : num 1 1 1 1 1 1 1 1 1 0 ...
$ FEMALE : num 1 0 1 0 1 1 1 1 0 0 ...
$ NOSEX : num 0 0 0 0 0 0 0 0 0 2 ...
$ UPLAND : num 0 0 0 0 0 0 0 0 0 0 ...
$ TAG : num 0 0 0 0 0 0 0 0 0 0 ...
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