[R] delete lines

[Sarah Goslee]

# identify rows with only positive values
mydata.index <- apply(mydata, 1, function(x)all(x >= 0))

# create a new data frame/matrix with only those rows
mydata.pos <- mydata[mydata.index,]


Sarah

On Thu, Aug 6, 2009 at 8:57 AM, Inchallah Yarab<inchallahyarab at yahoo.fr> wrote:
> Hi ,
>
> I need to write a function to delete a row if the value of one element of the row is negatif!!!
> I have a big file of data and i will check every lines!!!
>
> Any ideas
> Thank you !!
>
>


-- 
Sarah Goslee
http://www.functionaldiversity.org