[R] get the row sums

[Joshua Wiley]

Hello,

Can you run str() on your data and report the results?

str(en.id.pr)

I suspect that one of your variables that you are trying to sum over
is a factor.

HTH,

Josh

2010/5/18 Changbin Du <changbind at gmail.com>:
>> head(en.id.pr)
>     valid.gene_id b.pred rf.pred svm.pred
> 1521    2500151211      0       0        0
> 366      639679745      0       0        0
> 1965    2502081603      1       1        1
> 1420     644148030      1       1        1
> 1565    2500626489      1       1        1
> 1816    2501711016      1       1        1
>
>
>> p.pred <- data.frame(en.id.pr, sum=apply(en.id.pr[,2:4], 1, sum)) # get
> the row sum for three variables.
> Error in FUN(newX[, i], ...) : invalid 'type' (character) of argument
>
>
> HI, Dear R community,
>
> I am try use the above codes to get the row sums, but it gave me errors.
> CAN someone help me with this?
>
>
> --
> Sincerely,
> Changbin
> --
>
> Changbin Du
> DOE Joint Genome Institute
> Bldg 400 Rm 457
> 2800 Mitchell Dr
> Walnut Creet, CA 94598
> Phone: 925-927-2856
>
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-- 
Joshua Wiley
Senior in Psychology
University of California, Riverside
http://www.joshuawiley.com/