[R] Help with data.frame and lapply

TEMPL Matthias Matthias.Templ at statistik.gv.at
Fri Dec 16 09:50:26 CET 2005


> Hello:
> 	I'm having problems with this line of code:
> 
> X.lm <- lapply(names(d), function(x) lm(d["cls"] ~ d[x], data=d))
> 
> 	d[x] is what is giving trouble here, but I don't know 
> exactly how to solve it. 

How does d look like?
Probably d[,"cls"] and d[,x] instead of d["cls"] and d[x] solves your problem.
PLEASE do read 
the posting guide! http://www.R-project.org/posting-guide.html
and *give a reproducible example*.

Best,
Matthias

> What I'm trying to do is to create a 
> linear model from each column of the data frame 'd' to apply 
> ANOVA later.
> 	Thanks very much in advance. Regards:
> 
> 
> Juan Daniel López Serna
> 
> - ----
> Instituto de Ingeniería del Conocimiento
> (http://www.iic.uam.es)
> Universidad Autónoma de Madrid
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