[R] Pairlist & Dataframe

Peter Dalgaard BSA p.dalgaard at biostat.ku.dk
Thu Jan 21 18:51:48 CET 1999


Ennapadam Venkatraman <venkat at biosta.mskcc.org> writes:

> Is this a feature/bug or am I missing something:
> 
>     R : Copyright 1999, The R Development Core Team
>     Version 0.63.2  (January 12, 1999)
>     ......
>     
>     > ls()     
>     character(0)
>     > x <- NULL
>     > x$x1 <- rnorm(10)
>     > x$x2 <- rnorm(10)
>     > mode(x)
>     [1] "pairlist"
>     > as.data.frame(x)
>     Error: can't coerce pairlist into a data.frame

This is a bug. Pairlists shouldn't show up in "normal" usage. The
workaround is to start off with  x<-list()  instead.

Cc'ed to r-bugs (Congratulations, that makes PR#100, I believe...)
-- 
   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)             FAX: (+45) 35327907
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