[R] error message in plm

[Prof Brian Ripley]

A closure is a standard R function (that is not a primitive function).

This is presumably from package plm.  You called plm() with three 
arguments, that is subset=na.omit by the matching rules.  I think 
you intended na.action=na.omit.  na.omit is a 'closure'.

On Fri, 29 May 2009, Cecilia Carmo wrote:

> Hi everyone,
>
> Could anyone tell me what means the follow error message
>
> Error in xj[i] : invalid subscript type 'closure'
>
> It happens when I run the function plm, like this:
>
>> ff<-totaccz~lactivoz+varvolnegz
>> ss<-plm(ff,data=regaccdis,na.omit)
> Error in xj[i] : invalid subscript type 'closure'
>> coef(ss)
> (Intercept)    lactivoz  varvolnegz
> 0.02571212  6.94227541  0.10340165
>
> Thank you,
>
> Cecília (Universidade de Aveiro - Portugal)
>
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-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
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