[R] Loop over folder files

Juan Ceccarelli Arias jfca283 at gmail.com
Wed Aug 24 20:08:38 CEST 2016


Ok. Please, declare this issue as solved.
And thanks again for your help.

On Wed, Aug 24, 2016 at 2:18 PM, <ruipbarradas at sapo.pt> wrote:

> Maybe it's better to open a new thread.
>
> Rui Barradas
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> Citando Juan Ceccarelli Arias <jfca283 at gmail.com>:
>
> The error wasn't in the loop. It was in the file list.
> It's running now because i added full.names option to TRUE
> fuente=list.files("C:/Users/Jceccarelli/Bases/Stata", pattern="dta$",
> full.names=T)
> Now R can proccess the data. Now it callapses or stops because other kind
> of error.
> ¿Should i open another topic or just use the mail list?
> By the way, thank you all.
>
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> On Wed, Aug 24, 2016 at 11:48 AM, <ruipbarradas at sapo.pt> wrote:
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>> *Hello, That means that probably the files are in a different
>> folder/directory. Use getwd() to see what is your current directory and
>> setwd("path/to/files") to set the right place where the files can be found.
>> Rui Barradas  *
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>> *Citando Juan Ceccarelli Arias <jfca283 at gmail.com <jfca283 at gmail.com>>:*
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>> *I just doesn't work...*
>> *Im loading the read,dta13 package already.*
>> *When i try to perform a simple table(sex), i received the "File not
>> found" message.*
>> *However, if i load the data using the file.choose() option inside
>> read.dta13, i can open the stata file.*
>> *I don't know what am i doing wrong...*
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>> *On Tue, Aug 23, 2016 at 5:08 PM, <ruipbarradas at sapo.pt
>> <ruipbarradas at sapo.pt>> wrote:*
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>>> *Or maybe a print() statement on the table() in the loop.
>>> print(table(...)) Rui Barradas  *
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>>> *Citando David Winsemius <dwinsemius at comcast.net
>>> <dwinsemius at comcast.net>>:*
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>>> *On Aug 23, 2016, at 10:01 AM, Juan Ceccarelli Arias <jfca283 at gmail.com
>>> <jfca283 at gmail.com>> wrote: Im running this but the code doesn't seem work.
>>> It just hangs out but doesn't show any error. for (i in 1:length(fuente)){
>>> xxx=read_dta(fuente[i]) table(xxx$cise, xxx$sexo) rm(xxx) }*
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>>> *I still find the behavior of R's `for`-loop to be rather puzzling. In
>>> this case you appear to be getting the operation done, but because you
>>> didn't assign those table values to a variable they just disappeared. Try
>>> this: XXX <- list() for (i in 1:length(fuente)){   xxx=read_dta(fuente[i])
>>>   XXX[[i]] <- table(xxx$cise, xxx$sexo)   rm(xxx) } str(XXX) Seems to me
>>> that if you can do assignment to the parent environment (without actually
>>> using assign( ..., env=...)  that you should also be able to see the
>>> results of evaluation occurring inside the for loop, but for-loops return
>>> NULL. So you see nothing. David.  *
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>>> *On Tue, Aug 23, 2016 at 6:31 AM, <ruipbarradas at sapo.pt
>>> <ruipbarradas at sapo.pt>> wrote:*
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>>> *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 <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 <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
>>> <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
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>>> *[[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/posti
>>> ng-guide.html
>>> and provide commented, minimal, self-contained, reproducible code.
>>>
>>> *David WinsemiusAlameda, CA, USA*
>>>
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