[R] creating lagged variable in panel data

[Alok Bohara, PhD]

Thanks for the input.   I wanted to avoid counting the column number.  
In any case,  in the script -- wage.lag1 = lag(wage, -1) seems to do the 
trick.

Alok

On 8/29/2012 12:29 PM, R. Michael Weylandt <michael.weylandt at gmail.com> 
wrote:
> Of course:
>
> colnames(dats)[4] <- "new name"
>
> M
>
> On Aug 29, 2012, at 9:34 AM, "Alok K Bohara, PhD" <bohara at unm.edu> wrote:
>
>> Hi
>>
>> I found an example in R to create a lagged panel data set which works fine.  The only problem is that it adds the lagged variable as follows
>>
>> wage2.dat
>>
>>           year person        wage        lag(wage, -1)
>> 1.1  1980      1 -0.75843997            NA
>> 1.2  1981      1  0.27233048   -0.75843997
>> 1.3  1982      1 -1.58335767    0.27233048
>> 1.4  1983      1  0.36805926   -1.58335767
>> 1.5  1984      1 -0.52312153    0.36805926
>> 2.6  1980      2 -0.53559110            NA
>> 2.7  1981      2 -0.94935350   -0.53559110
>> 2.8  1982      2  0.10486688   -0.94935350
>> 2.9  1983      2 -0.50266443    0.10486688
>> 2.10 1984      2  0.14644024   -0.50266443
>> .
>> .
>>
>> Is there anyway  I could rename the last column      wag.lag1? Thanks.
>>
>>
>> Best,
>> Alok
>>
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-- 
Alok K. Bohara, Ph.D.
Professor
Department of Economics
MSC 05 3060
1 University of New Mexico
Albuquerque, NM 87131-0001, USA
Ph: 505-277-5903/5304(w)
Fax:505-277-9445
email: bohara at unm.edu
http://www.unm.edu/~econ/faculty/professors.html
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