[R] Loop over folder files

[Juan Ceccarelli Arias]

I removed the data,frame=True...
I obtain this warnings...
Error in read.dta(fuente[i]) : not a Stata version 5-12 .dta file
In addition: There were 50 or more warnings (use warnings() to see the
first 50)

the warnings() throws this
Warning messages:
1: In `levels<-`(`*tmp*`, value = if (nl == nL) as.character(labels) else
paste0(labels,  ... :
  duplicated levels in factors are deprecated
2: In `levels<-`(`*tmp*`, value = if (nl == nL) as.character(labels) else
paste0(labels,  ... :
  duplicated levels in factors are deprecated
3: In `levels<-`(`*tmp*`, value = if (nl == nL) as.character(labels) else
paste0(labels,  ... :
  duplicated levels in factors are deprecated
4: In `levels<-`(`*tmp*`, value = if (nl == nL) as.character(labels) else
paste0(labels,  ... :
  duplicated levels in factors are deprecated
5: In `levels<-`(`*tmp*`, value = if (nl == nL) as.character(labels) else
paste0(labels,  ... :
  duplicated levels in factors are deprecated



On Mon, Aug 22, 2016 at 2:32 PM, <ruipbarradas at sapo.pt> wrote:

> Hello,
>
> That argument doesn't exist, hence the error.
> Read the help page ?read.dta more carefully. You will see that already
> read.dta reads into a data.frame.
>
> Hope this helps,
>
> Rui Barradas
>
>
> Citando Juan Ceccarelli Arias <jfca283 at gmail.com>:
>
> Hi
> I need to apply some code over some stata files that are in folder.
> I've wrote this
>
> library(foreign)
>
> fuente=list.files("C:/Users/Jceccarelli/Bases/Stata", pattern="dta$",
> full.names=FALSE)
>
> for (i in 1:length(fuente)){
>
> xxx=read.dta(fuente[i], to.data.frame=TRUE)
>
>
> }
>
> But i get this error
>
> Error in read.dta(fuente[i], to.data.frame = TRUE) :
> unused argument (to.data.frame = TRUE)
>
> What am i doing wrong?
>
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