[R] Loop over folder files

[MacQueen, Don]

Compare what happens with these two command:

for (i in 1:3) { table(letters[1:4])  }
for (i in 1:3) { print(table(letters[1:4]))  }

Then try modifying your loop similarly.


-- 
Don MacQueen

Lawrence Livermore National Laboratory
7000 East Ave., L-627
Livermore, CA 94550
925-423-1062





On 8/23/16, 10:01 AM, "R-help on behalf of Juan Ceccarelli Arias"
<r-help-bounces at r-project.org on behalf of jfca283 at gmail.com> wrote:

>Im running this but the code doesn't seem work.
>It just hangs out but doesn't show any error.
>
>
>for (i in 1:length(fuente)){
>
>xxx=read_dta(fuente[i])
>
>table(xxx$cise, xxx$sexo)
>
>rm(xxx)
>
>}
>
>On Tue, Aug 23, 2016 at 6:31 AM, <ruipbarradas at sapo.pt> wrote:
>
>> Hello,
>>
>> The op could also use package sos to find that and other packages to
>>read
>> stata files.
>>
>> install.packages("sos")
>>
>> library(sos)
>> findFn("stata")
>> found 374 matches;  retrieving 19 pages
>> 2 3 4 5 6 7 8 9 10
>> 11 12 13 14 15 16 17 18 19
>> Downloaded 258 links in 121 packages
>>
>>
>> The first package is readstata13 but there are others.
>>
>> Hope this helps,
>>
>> Rui Barradas
>>
>>
>>
>> Citando Michael Dewey <lists at dewey.myzen.co.uk>:
>>
>> Dear Juan
>>
>> If this is a Stata 13 file the package readstata13 available from CRAN
>>may
>> be of assistance.
>>
>> On 22/08/2016 18:40, Juan Ceccarelli Arias wrote:
>>
>> 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?
>>
>>        [[alternative HTML version deleted]]
>>
>> ______________________________________________
>> R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide http://www.R-project.org/
>> posting-guide.htmland provide commented, minimal, self-contained,
>> reproducible code.
>>
>>
>>
>>
>> [[alternative HTML version deleted]]
>>
>> ______________________________________________
>> R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide http://www.R-project.org/
>> posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>>
>> --
>> Michaelhttp://www.dewey.myzen.co.uk/home.html
>>
>>
>>
>>
>
>	[[alternative HTML version deleted]]
>
>______________________________________________
>R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
>https://stat.ethz.ch/mailman/listinfo/r-help
>PLEASE do read the posting guide
>http://www.R-project.org/posting-guide.html
>and provide commented, minimal, self-contained, reproducible code.