[R] merging corpora and metadata

[R. Michael Weylandt <michael.weylandt@gmail.com>]

What package is all this from()? 

You might check if there is a special rbind/cbind method provided. I don't think you can easily change the behavior of c()

Michael

On Nov 17, 2011, at 4:43 PM, Henri-Paul Indiogine <hindiogine at gmail.com> wrote:

> Greetings!
> 
> I loose all my metadata after concatenating corpora. This is an
> example of what happens:
> 
>> meta(corpus.1)
>   MetaID cid fid selfirst selend                         fname
> 1       0   1  11     2169   2518    WCPD-2001-01-29-Pg217.scrb
> 2       0   1  14     9189   9702     WCPD-2003-01-13-Pg39.scrb
> 3       0   1  14     2109   2577     WCPD-2003-01-13-Pg39.scrb
> 
> ....
> ....
> 
> 17      0   1 114    17863  18256    WCPD-2007-04-30-Pg515.scrb
> 
> 
>> meta(corpus.2)
>   MetaID cid fid selfirst selend                         fname
> 1       0   2   2    11016  11600           DCPD-200900595.scrb
> 2       0   2   6    19510  20098           DCPD-201000636.scrb
> 3       0   2   6    23935  24573           DCPD-201000636.scrb
> 
> ....
> ....
> 
> 94      0   2 127    16225  17128   WCPD-2009-01-12-Pg22-3.scrb
> 
> 
>> tot.corpus <- c(corpus.1, corpus.2)
>> meta(tot.corpus)
> 
>    MetaID
> 1        0
> 2        0
> 3        0
> 
> ....
> ....
> 
> 111      0
>> 
> 
> This is from the structure of corpus.1
> 
> ..$ MetaData:List of 2
>  .. ..$ create_date: POSIXlt[1:1], format: "2011-11-17 21:09:57"
>  .. ..$ creator    : chr "henk"
>  ..$ Children: NULL
>  ..- attr(*, "class")= chr "MetaDataNode"
> - attr(*, "DMetaData")='data.frame':    17 obs. of  6 variables:
>  ..$ MetaID  : num [1:17] 0 0 0 0 0 0 0 0 0 0 ...
>  ..$ cid     : int [1:17] 1 1 1 1 1 1 1 1 1 1 ...
>  ..$ fid     : int [1:17] 11 14 14 17 46 80 80 80 91 91 ...
>  ..$ selfirst: num [1:17] 2169 9189 2109 8315 9439 ...
>  ..$ selend  : num [1:17] 2518 9702 2577 8881 10102 ...
>  ..$ fname   : chr [1:17] "WCPD-2001-01-29-Pg217.scrb"
> "WCPD-2003-01-13-Pg39.scrb" "WCPD-2003-01-13-Pg39.scrb"
> "WCPD-2004-05-17-Pg856.scrb" ...
> - attr(*, "class")= chr [1:3] "VCorpus" "Corpus" "list"
> 
> 
> Any idea on what I could do to keep the metadata in the merged corpus?
> 
> Thanks,
> Henri-Paul
> 
> 
> -- 
> Henri-Paul Indiogine
> 
> Curriculum & Instruction
> Texas A&M University
> TutorFind Learning Centre
> 
> Email: hindiogine at gmail.com
> Skype: hindiogine
> Website: http://people.cehd.tamu.edu/~sindiogine
> 
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