[R] Problem with the recode function

[Natalie Van Zuydam]

Dear Alain,

Taking a stab in the dark here but I find that if my original column is 
a factor then recode won't work for me.  Would a simple ifelse statement 
not do the same thing?

test$variable <- ifelse(test$x>=1 & test$x<=5,0,1)

On 15/06/2010 16:53, John Fox wrote:
> Dear Alain,
>
> I'm afraid that I can't duplicate your problem. First, there is no recode
> function in the Rcmdr package; it uses recode from car.
>
> Here's a record of my Rcmdr session, using the recode dialog to generate the
> recode command:
>
>    
>> test$variable<- recode(test$x, '1:5=0; else=1; ', as.factor.result=TRUE)
>>      
>    
>> test # entered in script window
>>      
>      x variable
> 1   1        0
> 2   2        0
> 3   3        0
> 4   4        0
> 5   5        0
> 6   6        1
> 7   7        1
> 8   8        1
> 9   9        1
> 10 10        1
>
> I noticed that you set as.factor.result=TRUE for one command and FALSE for
> the other, but both work for me. It occurred to me that you may have entered
> the recode command in the script window and executed it from there, but that
> works for me too.
>
> Best,
>   John
>
> --------------------------------
> John Fox
> Senator William McMaster
>    Professor of Social Statistics
> Department of Sociology
> McMaster University
> Hamilton, Ontario, Canada
> web: socserv.mcmaster.ca/jfox
>
>
>    
>> -----Original Message-----
>> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org]
>>      
> On
>    
>> Behalf Of Alain Guillet
>> Sent: June-15-10 10:58 AM
>> To: r-help at r-project.org
>> Subject: [R] Problem with the recode function
>>
>> Hello,
>>
>> I am using the recode() function in Rcmdr and the result is not what I
>> expect so I am almost sure I did something wrong but what...
>>
>>   >  test<- data.frame(x=1:10)
>>   >  library(car)
>>   >  recode(test$x,'1:5=0 ; else=1', as.factor.result=TRUE)
>>    [1] 0 0 0 0 0 1 1 1 1 1
>> Levels: 0 1
>>
>> BUT
>>
>>   >  library(Rcmdr)  #  recode from the car package is now masked
>>
>> Now I recode test$x through the Rmcdr interface and I get the following
>> code :
>> test$variable<- recode(test$x, '1:5 = 0; else = 1; ',
>> as.factor.result=FALSE)
>>    And a vector of NA as result.
>>
>>   >  test$variable
>> [1] NA NA NA NA NA NA NA NA NA NA
>>
>> I am using R 2.11.1 with Rcmdr 1.5-5 on Windows Vista.
>>
>>
>> Regards,
>> Alain
>>
>> --
>> Alain Guillet
>> Statistician and Computer Scientist
>>
>> SMCS - IMMAQ - Université catholique de Louvain
>> Bureau c.316
>> Voie du Roman Pays, 20
>> B-1348 Louvain-la-Neuve
>> Belgium
>>
>> tel: +32 10 47 30 50
>>
>> ______________________________________________
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>>      
> http://www.R-project.org/posting-guide.html
>    
>> and provide commented, minimal, self-contained, reproducible code.
>>      
> ______________________________________________
> R-help at 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.
>