HI, Michael,

I tried use x and got the following:

> for (i in 2:3) {
+
+ assign(x=paste("array", i, sep=""), value=result.fun[[i-1]])
+
+ first <-cbind(first, x)
+
+ }
*Error in cbind(first, x) : object 'x' not found
*

But I checked the
 ls()
     "array2"       "array3"    were created.

Can I put them into the first data set by loop, or manually?

Thanks!


P.S   I search the similar codes from google and can not work as I expected.

Thanks!



On Thu, Sep 22, 2011 at 10:11 AM, R. Michael Weylandt <
michael.weyla...@gmail.com> wrote:

> There is no "lab=" argument for assign() hence the error. Did someone
> provide you with example code that suggested such a thing? remove lab=
> entirely or replace it with x= to make your code work. More generally type
> ?assign or args(assign) to see what the arguments for a function are.
>
> More generally, this sort of thing may be best handled in a list rather
> than an set of independent variables.
>
> Michael Weylandt
>
> On Thu, Sep 22, 2011 at 1:07 PM, Changbin Du <changb...@gmail.com> wrote:
>
>> HI, Dear R community,
>>
>> I am trying to created new variables and put into a data frame through a
>> loop.
>>
>> My original data set:
>>
>> head(first)
>>  probe_name chr_id position array1
>> 1    C-7SARK      1   849467     10
>> 2    C-4WYLN      1   854278     10
>> 3    C-3BFNY      1   854471     10
>> 4    C-7ONNE      1   874460     10
>> 5    C-6HYCN      1   874571     10
>> 6    C-7SCGC      1   874609     10
>>
>>
>> I have 48 other array data from a list result.fun
>> array2=result.fun[[1]]
>> array3=result.fun[[2]]
>> .
>> .
>>
>> I want the following results:
>>
>>  probe_name chr_id position array1 array2 array3
>> 1    C-7SARK      1   849467     10     10       10
>> 2    C-4WYLN      1   854278     10     10       10
>> 3    C-3BFNY      1   854471     10      10       10
>> 4    C-7ONNE      1   874460     10     10       10
>> 5    C-6HYCN      1   874571     10     10       10
>> 6    C-7SCGC      1   874609     10     10       10
>>
>>
>> I used the following codes:
>>
>> for (i in 2:3) {
>>
>> assign(lab=paste("array", i, sep=""), value=result.fun[[i-1]])
>>
>> first <-cbind(first, lab)
>>
>> }
>>
>> *Error in assign(lab = paste("array", i, sep = ""), value = result.fun[[i
>> -
>> :
>>  unused argument(s) (lab = paste("array", i, sep = ""))*
>>
>>
>> Can anyone give some hits or helps?
>>
>> Thanks so much!
>>
>>
>>
>>
>>
>>
>> --
>> Sincerely,
>> Changbin
>> --
>>
>>        [[alternative HTML version deleted]]
>>
>> ______________________________________________
>> 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.
>>
>
>


-- 
Sincerely,
Changbin
--

        [[alternative HTML version deleted]]

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