Assignment problems

That's not the ifelse() that's the for loop returning NULL
(everything's a function!). If you put the assignment inside you'll
get expected behavior.

x <- (for(i in 1:5) i) # Strange
for(i in 1:5) x<- i # Normal (but notice you only get the last value
because previous ones are overwritten)

Michael

Hi

EMU1993<-(for (i in 1:nrow(data)){

+ ? ? ? ifelse(year==1992,sum(avgflowEMU),0)
+ ? ? ? })

EMU1993

NULL

--
View this message in context: http://r.789695.n4.nabble.com/Assignment-problems-tp4578672p4581590.html
Sent from the R help mailing list archive at Nabble.com.

______________________________________________
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.