Re: [R] simplification of code using stamp?

From: Rainer M Krug <RKrug_at_sun.ac.za>
Date: Thu 26 Oct 2006 - 06:44:35 GMT

hadley wickham wrote:

>> I get the following, which is not what I am looking for.
>>
>>  > test[1:10,]
>>     expert    xx seeds run                                        value
>> 1      BW x0010    25   1 rsqs, slope, d.slope, intercept, d.intercept
>> 2      BW x0010    25   2 rsqs, slope, d.slope, intercept, d.intercept
>> 3      BW x0010    25   3 rsqs, slope, d.slope, intercept, d.intercept
>> 4      BW x0010    25   4 rsqs, slope, d.slope, intercept, d.intercept
>> 5      BW x0010    25   5 rsqs, slope, d.slope, intercept, d.intercept
>> 6      BW x0010    28   1 rsqs, slope, d.slope, intercept, d.intercept
>> 7      BW x0010    28   2 rsqs, slope, d.slope, intercept, d.intercept
>> 8      BW x0010    28   3 rsqs, slope, d.slope, intercept, d.intercept
>> 9      BW x0010    28   4 rsqs, slope, d.slope, intercept, d.intercept
>> 10     BW x0010    28   5 rsqs, slope, d.slope, intercept, d.intercept

>
> That's because stamp doesn't produce great output at the moment (have
> a look at the str(test) to see that you have a data frame containing a
> list of vectors)
>
> The following code should put it a more reasonable form:
>
> tidy <- function(x) {
> bind <- function(i) data.frame(x[i, -ncol(x),drop=FALSE], t(a$value[[i]]))
> l <- lapply(1:nrow(x), bind)
> do.call(rbind.fill, l)
> }
>
> tidy(test)

Thanks Hadley - I'll look at the code.

>
> (but unless you provide a reproducible example I can't be sure that it
> works with your data)
>
> Regards,
>
> Hadley

-- 
Rainer M. Krug, Dipl. Phys. (Germany), MSc Conservation
Biology (UCT)

Department of Conservation Ecology and Entomology
University of Stellenbosch
Matieland 7602
South Africa

Tel:		+27 - (0)72 808 2975 (w)
Fax:		+27 - (0)21 808 3304
Cell:		+27 - (0)83 9479 042

email:	RKrug@sun.ac.za
       	Rainer@krugs.de

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Received on Thu Oct 26 16:46:05 2006

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