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joliet
2007 Sep 07
1
aggregate factor
...is the numeric value of Age but as.numeric and
as.integer returns the level value instead.
Is there a way to easily get the numeric value?
I am using Windows R 2.5.1
Thanks,
> str(fishdata)
'data.frame': 372 obs. of 6 variables:
$ Lake: Factor w/ 3 levels "EVANS","JOLLIET",..: 3 3 3 3 3 3 3 3 3 3 ...
$ Age : int 1 1 1 1 1 1 1 1 1 1 ...
$ TL : int 132 120 125 115 130 120 115 110 117 116 ...
$ W : int 10 10 10 10 10 10 10 10 10 20 ...
$ Sex : Factor w/ 3 levels "F","I","M": 1 1 2 2 2 1 1 1 2 2 ...
$ WT : num 0.23 0.23 0....