[R] names of data.frame variables?

[Martin Kaffanke]

Hi there!

I'd like to make many tests and plots, for each variables.

i.E.

i <- 1
repeat {
   print (t.test(e[i], f[i]))
   i <- i + 1
   if (i == 21) break
}

but the output is:
        Welch Two Sample t-test

data:  e[i] and f[i] 
...

so I don't know which data was calculated.

Is there a way to tell the t.test or I'll make the same with plotmeans
(from the gplots library) but I'd like to have it like

t.text(e$angststoer, f$angststoer)

so I know what was calculated or plotted...

Any ideas?

Thanks,
Martin


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