[R] Odp: Svar: Re: help with simple R-question

[Petr PIKAL]

r-help-bounces at stat.math.ethz.ch napsal dne 06.06.2007 10:56:18:

> thanks, that works great!!
> 
> just have another thing...i the same area
> What if the class is list instead of array, how can you name the first
> unrecognized column?

Hi

look in some intro manual and learn about R data structures. Matrix, 
array, vector, data.frame, list and some others have some distinct 
features and they sometimes can be interchanged and sometimes not. To 
learn how objects are organised see str(), class(), typeof(), mode().

Regards
Petr
 

> 
> Rina
> 
> >>> John Kane <jrkrideau at yahoo.ca> 06/05/07 3:17 >>>
> 
> --- Rina Miehs <rmi at danishmeat.dk> wrote:
> 
> > hello
> > 
> > what do i write for R to recognize both columns?
> > 
> > In the R-script downunder you can see that i use
> > tapply to get my
> > information out of my data, and then i need to use
> > it as a dataframe
> > with both columns! It is like R is using the first
> > column as an
> > observationnumber or something, how can i change
> > that?? 
> 
> It is using the names of the variables as rownames.
> 
> try 
> n.ant <- names(antall)
> antal1 <- data.frame(n.antal1, antal1)
> 
> 
> > 
> > > antal1 <-tapply(l1$omlob1,l1$farid,length)
> > > antal1
> > 1437987  10000100  10007995  10008295  10008792 
> > 10010203  10018703 
> > 10033401 
> >         2         3         3         2         3 
> >      1         1 
> >       2 
> >  10048900  10050492  10055897  10076495  10081892 
> > 10094801  10100692 
> > 10101395 
> >         3         1         3         3         6 
> >      2         5 
> >      20 
> >  10101495  10101595  10104692  10113592  10113697 
> > 10114297  10120797 
> > 10120897 
> >         1         5         4         2         6 
> >     11         1 
> >       4 
> >  10121697  10121897  10121997  10133592  10142892 
> > 10142995  10146495 
> > 10150497 
> >        16         3         6         1         1 
> >      6         4 
> >       4 
> >  10150692  10157092  10157292  10164792  10170892 
> > 10171795  10171895 
> > 10172300 
> >         5         2         4         4         4 
> >      4         4 
> >       1 
> >  10175195  10187802  10192499  10192897  10198295 
> > 10200493  10201693 
> > 10211593 
> >         1         2         2         3         5 
> >      1         3 
> >       5 
> > > antal1 <- data.frame(antal1)
> > > antal1
> >           antal1
> > 1437987        2
> > 10000100       3
> > 10007995       3
> > 10008295       2
> > 10008792       3
> > 10010203      NA
> > 10018703      NA
> > 10033401       2
> > 10048900       3
> > 10050492       1
> > 10055897       3
> > 10076495       3
> > 10081892       6
> > 10094801       2
> > 10100692       5
> > 
> > Thanks
> > Rina
> > 
> > [[alternative HTML version deleted]]
> > 
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> > 
> 
> 
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> ______________________________________________
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> PLEASE do read the posting guide 
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> and provide commented, minimal, self-contained, reproducible code.