[R] accessing information in data.frame
Dr. Berthold Kramm
berthold.kramm at epost.de
Tue Nov 27 14:32:27 CET 2001
After reading a data.frame using, such as a <- read.spss("data.sav")
I want to give the column index 'i', or a[i] to a function, which after
some calculation, should print out the results to the standard output.
I am struggling how to access the data itself, as e.g. sum(a[i]) does
not work in this context. In addition I need to know the name of the
variable within the function in order to generate a meaningful output,
and have not found any way to obtain the name of the variable.
Thanks for your input,
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