[R] R function

[Rui Barradas]

Hello,

Sorry, that should be


T <- function(x){
	ifelse(x > = 1, "Combustion", "Petroleum")
}



Rui Barradas

Em 29-07-2013 09:32, Rui Barradas escreveu:
> Hello,
>
> Try the following.
>
> T <- function(x){
>      ifelse(pah1$P > = 1, "Combustion", "Petroleum")
> }
>
> T(pah1$P[1:83])
>
>
> Hope this helps,
>
> Rui Barradas
>
> Em 29-07-2013 06:35, javad bayat escreveu:
>> Dear R users;
>> I am MSc student and I want to write my own function, but it cant be
>> completed. please help me for solve it. here is my code:
>>
>> pah1$P = (pah1$Fluoranthene/pah1$Pyrene)
>> T = function(x){
>> for (i in 1:length(pah1$P))
>> if (i >= 1)
>> print("Combustion")
>> if (i < 1)
>> print("Petroleum")
>> }
>> T(pah1$P[c(1:83),])
>>
>> I wish that R gives me a column that if value greater or equal to one
>> give
>> "Combustion"  and if value is less than one give "Petroleum".
>> but my function dose not work.
>> thank you so much for your help.
>>
>>     [[alternative HTML version deleted]]
>>
>> ______________________________________________
>> 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.
>>
>
> ______________________________________________
> 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.