Hi
Not sure of your intention, do you want count how many rows have zeroes in all
columns?
In that case something like
sum(rowSums(dat == 0) == ncol(dat))
should do the trick.
If it is not an answer for your problem, post some toy data and desired result.
Regards
Petr
> -----Original Message-----
> From: R-help [mailto:r-help-bounces at r-project.org] On Behalf Of Yogesh
> Gupta
> Sent: Wednesday, June 7, 2017 11:09 AM
> To: r-help at r-project.org
> Subject: [R] Problem related to rowSums
>
> Hi...
>
> I have a dataframe with n columns and n rows. I need to find how many rows
> contains zero raw read count across all column.
>
> Thanks
>
> --
> *Yogesh Gupta*
> *Postdoctoral Researcher*
> *Department of Biological Science*
> *Seoul National University*
> *Seoul, South Korea*
>
> [[alternative HTML version deleted]]
>
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