[R-pkg-devel] [Error] data length differs from size of matrix

[Tiago Olivoto]

Exactly Bill!
I'll implement your suggestion (solve_svd(cor.x2)%*%cor.y), to return betas.
Best!
Tiago


Em sex., 4 de jun. de 2021 às 15:12, Bill Dunlap <williamwdunlap using gmail.com>
escreveu:

> solve_svd's second argument is 'tolerance', a small scalar value, not the
> right hand side of X %*% beta == Y.  It returns the [approximate] inverse
> of X, not beta.
>
> solve_svd(cor.x2,cor.y) should probably be solve_svd(cor.x2)%*%cor.y (or
> just solve(cor.x2,cor.y)).
>
> -Bill
>
> On Fri, Jun 4, 2021 at 8:41 AM Bill Dunlap <williamwdunlap using gmail.com>
> wrote:
>
>> The offending line in path_coeff seems to be
>>    betas[i, 2:nvar] <- t(solve_svd(cor.x2, cor.y))
>> where i is a single integer, nvar is 15, and the right hand side is a 14
>> by 14 matrix.  What is this line trying to do?  Did it ever give the
>> correct result?
>>
>> -Bill
>>
>>
>> On Fri, Jun 4, 2021 at 7:39 AM Bill Dunlap <williamwdunlap using gmail.com>
>> wrote:
>>
>>> That log file includes the line
>>>     using R Under development (unstable) (2021-05-30 r80413)
>>> and later says
>>>
>>> The error most likely occurred in:
>>>
>>> > ### Name: path_coeff
>>> > ### Title: Path coefficients with minimal multicollinearity
>>> > ### Aliases: path_coeff path_coeff_mat
>>> >
>>> > ### ** Examples
>>> >
>>> > ## No test:
>>> > library(metan)
>>> >
>>> > # Using KW as the response variable and all other ones as predictors
>>> > pcoeff <- path_coeff(data_ge2, resp = KW)
>>> Error in matrix(value, n, p) :
>>>   data length differs from size of matrix: [196 != 1 x 14]
>>> Calls: path_coeff -> [<- -> [<-.data.frame -> matrix
>>> Execution halted
>>>
>>> In the current R-devel the matrix command matrix(value, nrow, ncol) complains if length(value)>nrow*ncol, so you need to truncate 'value'.  (Previously matrix() would silently truncate value.)
>>>
>>>
>>> -Bill
>>>
>>>
>>> On Thu, Jun 3, 2021 at 5:57 PM Tiago Olivoto <tiagoolivoto using gmail.com>
>>> wrote:
>>>
>>>> Dear all,
>>>> I have received an email from the CRAN team to fix a problem with my R
>>>> package metan <https://CRAN.R-project.org/package=metan
>>>> <https://cran.r-project.org/package=metan>> to safely retain it on
>>>> CRAN.
>>>>
>>>> The error is given at <
>>>> https://www.stats.ox.ac.uk/pub/bdr/donttest/metan.out>
>>>> and seems to be related to data different from size of matrix.
>>>>
>>>> The question is that and I cannot reproduce the error locally and thus
>>>> not
>>>> able to fix anything. By googling the error I've seen similar issues
>>>> with a
>>>> lot of other packages. Could be this be a temporary issue?
>>>>
>>>> Thanks in advance!
>>>> Tiago
>>>>
>>>>         [[alternative HTML version deleted]]
>>>>
>>>> ______________________________________________
>>>> R-package-devel using r-project.org mailing list
>>>> https://stat.ethz.ch/mailman/listinfo/r-package-devel
>>>>
>>>

	[[alternative HTML version deleted]]