[R-sig-Geo] facing the bad move: how to retrieve old (sp) data after an upgrade...?

[Edzer J. Pebesma]

Perhaps try

 > pija.scoressp at data@att[[1]]

etc.
--
Edzer

Horacio Samaniego wrote:
> I first need to apologize as I  have made a mistake, I know that I  
> should have read the Breaking News before (http://www.sal.uiuc.edu/ 
> tools/tools-sum/rgeo/r-spatial-projects)
>
> Now I am trying to step back so that I can retrieve my data. However,  
> I don't seem to find old versions of the sp and spdep I need 0.8* of  
> sp as I have messed up my objects 'big time'  by upgrading the whole  
> installation.
>
> The question is this:
>
> - What is the best method to make up this error? (I'm hoping that I  
> am not the only one...)
> or
> - Is re-installing old versions of the packages the only method?
>
> - Where can I find the repository for old packages?
>
> thanks in advance! Any hint is appreciated
>
> The errors I get are not apparent at first sight... but I later tried  
> to retrieve a column of the @data in a SpatialPointsDataFrame object  
> and just got >NULL
>
> here's the sequence:
>
>  > pija.scoressp at data[,1]
> Error in pija.scoressp at data[, 1] : incorrect number of dimensions
>  > pija.scoressp at data$PC1
> NULL
>  > names(pija.scoressp at data)
> NULL
>
> However I can see the data with str():
>  > str(pija.scoressp)
> list()
> - attr(*, "bbox")= num [1:2, 1:2] 1032800  333100 1211500  474500
>    ..- attr(*, "dimnames")=List of 2
>    .. ..$ : chr [1:2] "slongitude" "slatitude"
>    .. ..$ : chr [1:2] "min" "max"
> - attr(*, "proj4string")= list()
>    ..- attr(*, "projargs")= chr "+proj=aea +lat_0=23.0000000000  
> +lat_1=29.5000000000 +lat_2=45.5000000000 +lon_0=-96.0000000000  
> +x_0=0.0000000000 +y_0=0.0000000"| __truncated__
>    ..- attr(*, "class")= atomic [1:1] CRS
>    .. ..- attr(*, "package")= chr "sp"
> - attr(*, "coords")= num [1:111, 1:2] 1131900 1120300 1092600 1114200  
> 1092600 ...
>    ..- attr(*, "dimnames")=List of 2
>    .. ..$ : NULL
>    .. ..$ : chr [1:2] "slongitude" "slatitude"
> - attr(*, "data")= list()
>    ..- attr(*, "att")=List of 37
>    .. ..$ PC1 : num [1:111]   -8.10 -191.88   -9.30  -28.90   -8.12 ...
>    .. ..$ PC2 : num [1:111] -25.05 316.29  -9.20 -20.25  -8.59 ...
>    .. ..$ PC3 : num [1:111]  -17.470 -104.794    0.333   48.261    
> -0.136 ...
>    .. ..$ PC4 : num [1:111]  -7.1660 -99.8927  -0.0452   3.9708   
> -4.5581 ...
>    .. ..$ PC5 : num [1:111]  24.83 210.48  -6.93   3.92 -12.88 ...
>    .. ..$ PC6 : num [1:111]   4.80 -19.21   2.76 -87.98   7.33 ...
>    .. ..$ PC7 : num [1:111] -19.88  -2.51  -2.57 -69.88  -4.70 ...
>    .. ..$ PC8 : num [1:111]   4.42  29.52   3.81 -21.48  12.54 ...
>
> ........
>
>
>
>
>
> Horacio
>
>
>
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