[R] data reshape

[Bert Gunter]

Did you even make an attempt to do this? -- or would you like us do all
your work for you?

If you made an attempt, show us your code and errors.
If not, we usually expect you to try on your own first.
If you have no idea where to start, perhaps you need to spend some more
time with tutorials to learn basic R functionality before proceeding.

Bert

"The trouble with having an open mind is that people keep coming along and
sticking things into it."
-- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )


On Thu, Dec 19, 2019 at 6:01 PM Yuan Chun Ding <ycding using coh.org> wrote:

> Hi R users,
>
> I have a folder (called genotype) with 652 files; the file names are
> GTEX-1A3MV.out, GTEX-1A3MX.out, GTEX-1B8SF.out, etc; in each file,  only
> one column of data without a header as below
> 201
> 2/2
> 238
> 3/4
> 245
> 1/2
> .....
> 983255
> 3/3
> 983766
> None
>
>
> A total of 20528 rows;
>
> I need to read all those 652 files in the genotype folder and then reshape
> the one column in each file as:
> SampleID             201        238        245        ....   983255
>  983766
> GTEX-1A3MV     2/2         3/4        1/2                         3/3
>    None
>
> There are 10264 data columns plus the sample ID column, so 10265 columns
> in total after data reshaping.
>
> After reading those 652 file and reshape the one column in each file, I
> will stack them by the rbind function, then I have a file with a dimension
> of 653 row, 10265 column.
>
>
> Thank you,
>
> Ding
>
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