... But of course R is not C++ or Java, so there is no need to
"declare" anything, and the OP's question strongly suggests to me that
he/she has made no effort to learn R. My advice would be:
1. Stop posting.
2. Read An Introduction to R or other R tutorial and learn how the
language works.
-- Bert
On Thu, Aug 15, 2013 at 2:20 PM, arun <smartpink...@yahoo.com> wrote:
>
>
> Hi,
>
> May be this helps:
> Large_Table<- data.frame(lapply(paste0("Var",1:1000),function(x)
> {x1<-data.frame(numeric());colnames(x1)<-x; x1}))
> str(Large_Table)
> 'data.frame': 0 obs. of 1000 variables:
> $ Var1 : num
> $ Var2 : num
> ----------------------------
> A.K.
>
>
>
> ----- Original Message -----
> From: Pooya Lalehzari <plalehz...@platinumlp.com>
> To: arun <smartpink...@yahoo.com>
> Cc: "r-help@r-project.org" <r-help@r-project.org>
> Sent: Thursday, August 15, 2013 5:09 PM
> Subject: RE: [R] How can I create a data.table with 1000 variables
> (Var1:Var1000)
>
> Here is the sample code.
>
> Large_Table = data.frame(
> Var1=numeric(),
> Var2=numeric(),
> Var3=numeric(),
> .
> .
> .
> Var1000=numeric())
> Ideally, I would like to say
> Large_Table = data.frame(
> Var1-Var1000=numeric()
> )
> Or maybe the answer is not to declare them and just create the variables as
> needed (i.e. in the for-loop that will use the data.frame.)
>
>
> -----Original Message-----
> From: arun [mailto:smartpink...@yahoo.com]
> Sent: Thursday, August 15, 2013 5:04 PM
> To: Pooya Lalehzari
> Subject: Re: [R] How can I create a data.table with 1000 variables
> (Var1:Var1000)
>
> This question is still not clear. Could you show a reproducible example as
> to what you want? In the title, it says to create 1000 variable and now your
> explanation is "refer". Also, it is unclear as to what function in SAS you
> are referring to. As Bert said, please follow the posting guide while
> posting.
> Best.
>
>
>
>
> ----- Original Message -----
> From: Pooya Lalehzari <plalehz...@platinumlp.com>
> To: Bert Gunter <gunter.ber...@gene.com>
> Cc: "r-help@r-project.org" <r-help@r-project.org>
> Sent: Thursday, August 15, 2013 4:27 PM
> Subject: Re: [R] How can I create a data.table with 1000 variables
> (Var1:Var1000)
>
> Sorry. data.table or even data.frame (as they are related). My question is,
> if there is a short form to refer to all 1000 of them similar to what exists
> in SAS.
>
> Thank you,
> Pooya Lalehzari.
>
>
> -----Original Message-----
> From: Bert Gunter [mailto:gunter.ber...@gene.com]
> Sent: Thursday, August 15, 2013 4:24 PM
> To: Pooya Lalehzari
> Cc: r-help@r-project.org
> Subject: Re: [R] How can I create a data_table with 1000 variables
> (Var1:Var1000)
>
> Please:
>
> 1. Define "data_table" (??)
>
> 2. Follow the advice from the posting guide link below to post a coherent
> question.
>
> -- Bert
>
> On Thu, Aug 15, 2013 at 1:16 PM, Pooya Lalehzari <plalehz...@platinumlp.com>
> wrote:
>> Hello everyone,
>> How can I create a data_table with 1000 variables (Var1:Var1000)?
>>
>> Thank you,
>> Pooya Lalehzari
>>
>>
>>
>> THIS E-MAIL IS FOR THE SOLE USE OF THE INTENDED RECIPIENT(S) AND MAY
>>CONTAIN CONFIDENTIAL AND PRIVILEGED INFORMATION.ANY UNAUTHORIZED
>>REVIEW, USE, DISCLOSURE OR DISTRIBUTION IS PROHIBITED. IF YOU ARE NOT
>>THE INTENDED RECIPIENT, PLEASE CONTACT THE SENDER BY REPLY E-MAIL AND DESTROY
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>>
>> ______________________________________________
>> R-help@r-project.org mailing list
>> 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.
>
>
>
> --
>
> Bert Gunter
> Genentech Nonclinical Biostatistics
>
> Internal Contact Info:
> Phone: 467-7374
> Website:
> http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm
>
>
>
> THIS E-MAIL IS FOR THE SOLE USE OF THE INTENDED RECIPIENT(S) AND MAY CONTAIN
> CONFIDENTIAL AND PRIVILEGED INFORMATION.ANY UNAUTHORIZED REVIEW, USE,
> DISCLOSURE
> OR DISTRIBUTION IS PROHIBITED. IF YOU ARE NOT THE INTENDED RECIPIENT, PLEASE
> CONTACT THE SENDER BY REPLY E-MAIL AND DESTROY ALL COPIES OF THE ORIGINAL
> E-MAIL.
> ______________________________________________
> R-help@r-project.org mailing list
> 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.
>
>
>
>
> THIS E-MAIL IS FOR THE SOLE USE OF THE INTENDED RECIPIENT(S) AND MAY CONTAIN
> CONFIDENTIAL AND PRIVILEGED INFORMATION.ANY UNAUTHORIZED REVIEW, USE,
> DISCLOSURE
> OR DISTRIBUTION IS PROHIBITED. IF YOU ARE NOT THE INTENDED RECIPIENT, PLEASE
> CONTACT THE SENDER BY REPLY E-MAIL AND DESTROY ALL COPIES OF THE ORIGINAL
> E-MAIL.
>
> ______________________________________________
> R-help@r-project.org mailing list
> 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.
--
Bert Gunter
Genentech Nonclinical Biostatistics
Internal Contact Info:
Phone: 467-7374
Website:
http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm
______________________________________________
R-help@r-project.org mailing list
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
