[R] Help with Vectors and conditional functions

Nikhil Kaza nikhil.list at gmail.com
Thu Aug 19 13:27:11 CEST 2010


In additiion to Ivan's  comment, in this case, you are just plotting  
Yes or No. I think thats not what you want.

Nikhil Kaza
Asst. Professor,
City and Regional Planning
University of North Carolina

nikhil.list at gmail.com

On Aug 19, 2010, at 3:42 AM, Ivan Calandra wrote:

>  Hi,
>
> I haven't spent too much time on it, but that might help:
> if (coint_tests[[i]]=="YES")...
> Note the double "=" which is the operator for equality. The single "="
> is the assignment operator, especially with arguments.
>
> HTH, Ivan
>
> Le 8/19/2010 09:03, Ferreira, Thiago Alves a écrit :
>> Good morning,
>>
>> I have something like this: names(coint_tests)<- apply(b,2,paste,  
>> collapse="_") which prints 15 names like: A_B, C_D, E_F, ...
>> AA,B,C,D.. Are time series. Then there is a vector called  
>> coint_tests of length 15 which yields "yes" or "no".
>>
>> I need to add a function to plot the time series Ai_Bi if the  
>> coint_tests vectors gives me a "YES".
>>
>>
>> I tried:    for (i in 1:(length(coint_tests))
>>                         if (coint_tests[[i]]="YES")  
>> {plot(coint_tests[i])}
>>
>> But it does not work. I would most appreciate if someone could give  
>> me some insight as to how to sort this out. Thank you
>>
>> ______________________________________________
>> 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.
>>
>
> -- 
> Ivan CALANDRA
> PhD Student
> University of Hamburg
> Biozentrum Grindel und Zoologisches Museum
> Abt. Säugetiere
> Martin-Luther-King-Platz 3
> D-20146 Hamburg, GERMANY
> +49(0)40 42838 6231
> ivan.calandra at uni-hamburg.de
>
> **********
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> http://webapp5.rrz.uni-hamburg.de/mammals/eng/mitarbeiter.php
>
>
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>
> ______________________________________________
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