Hi Beatriz,
I'll guess that you have a number of files with names like this:
Samples_1.txt
Samples_2.txt
...
Each one can be read with a function like read.table and will return a
data frame with default names (V1, V2, ...). You then want to extract
the first element (column) of the data frame. I
> On May 24, 2016, at 2:01 PM, Beatriz wrote:
>
>
> In my environment I have a data frame called Samples_1.txt.
> From this data frame I need to get variable V1. My code doesn't work. Thanks!
>
> $V1
>
> Note: I need to do it in this way because I have the code into a for loop.
You ar
It is not clear (at least to me) what your actual task is. But, if
Samples_1.txt is the actual name of a data frame that exists in memory (and not
a filename), then you need to wrap the sprintf() in a get() function.
get(sprintf("Samples_%s.txt", 1))$V1
I am no expert on "computing on the lan
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