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kreise
2003 Sep 16
2
How does "subset" replace arguments? (PR#4193)
...guess many people will answer me again that this is a S language feature, but
I am only a stupid computer scientist and I simply do not understand this logic,
despite of reading a lot about S:
> test
field tuckey
4 Kreis2 -1
5 Kreis5 -2
9 Metall -3
17 Kreis1 -4
19 Kreis8 -5
> subset(test,field=="Metall")
field tuckey
9 Metall -3
> subset(test,toString(field)=="Metall")
[1] field tuckey
<0 rows> (or 0-length row.names)
This happens everytime I use a function with the column name ("...