[R] Odp: sum each row and output results

[Petr PIKAL]

Hi

r-help-bounces at r-project.org napsal dne 23.07.2008 19:43:33:

> 
> Hello,
> 
> I have the following data frame (DF):
> 
>           V5        V5.1        V5.2       V5.3       V5.4       V5.5
> 2  -5890.18905 -6019.84665 -6211.06545 -6198.9353 -6616.8677 -6498.7183
> 3  -5890.18905 -6019.84665 -6211.06545 -6198.9353 -6616.8677 -6498.7183
> 4  -5890.18905 -6019.84665 -6211.06545 -6198.9353 -6616.8677 -6498.7183
> 5  -5890.18905 -6019.84665 -6211.06545 -6198.9353 -6616.8677 -6498.7183
> 6  -5890.18905 -6019.84665 -6211.06545 -6198.9353 -6616.8677 -6498.7183
> 7  -5890.18905 -6019.84665 -6211.06545 -6198.9353 -6616.8677 -6498.7183
> 8  -5890.18905 -6019.84665 -6211.06545 -6198.9353 -6616.8677 -6498.7183
> 9  -5890.18905 -6019.84665 -6211.06545 -6198.9353 -6616.8677 -6498.7183
> 10 -5890.18905 -6019.84665 -6211.06545 -6198.9353 -6616.8677 -6498.7183
> 11 -5890.18905 -6019.84665 -6211.06545 -6198.9353 -6616.8677 -6498.7183
> 
> I would like to sum each row and output the results to another dataframe
> (Results).
> The resluts would be 
> Results[1] <- sum(DF[1])
> 
> When I try this i get:
> Error in FUN(X[[1L]], ...) : 
>   only defined on a data frame with all numeric variables

Does

str(AFDDsec)

show that all columns are numeric? Isn't there a factoror character 
column?

Regards
Petr

> 
> I have also tried 
> apply(AFDDsec,1,sum)
> Error in FUN(newX[, i], ...) : invalid 'type' (character) of argument
> 
> What am I doing wrong?
> Eventually I would like to do this with a dataframe that has 44 columns 
and
> 5329 rows.
> 
> Cheers,
> R
> -- 
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> results-tp18616486p18616486.html
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