[R] summing up a matrix

[Michael Dewey]

Dear Matthias

It is rather hard to read that since you posted in HTML which scrambles 
things but I think

?cumsum

may help and possibly

?apply

as you seem to want to work by rows.

On 18/11/2016 15:16, Matthias Weber wrote:
> Hello together,
>
> is it possible, to summing up a matrix?
> I have the following matrix at the moment:
>
>                                 [,1]         [,2]         [,3]        [,4]         [,5]         [,6]
> 2016-11                20            200        100         50           100         30
> 2016-12                100          200        100         50           100         30
> 2017-01                50            200        100         50           100         30
>
> Now I want to summing up the matrix in a new matrix.
>
> The result should look like the following:
>
>                                 [,1]         [,2]         [,3]        [,4]         [,5]         [,6]
> 2016-11                20            220        320         370         470         500
> 2016-12                100          300        400         450         550         580
> 2017-01                50            250        350         400         500         530
>
> Is it possible, to create that?
>
> Thanks for your help.
>
> Best regards.
>
> Mat
>
>
> 	[[alternative HTML version deleted]]
>
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-- 
Michael
http://www.dewey.myzen.co.uk/home.html