Hi Nasrin,
1) You didn't define mean.radiation in your code (for example
using mean.radiation<-NULL)
2) Also, you're using "attach", which is a good recipe for forgetting
something in your environment which will lead into troubles.
3) You didn't define i (for example i <- 1:30)
Tal
-
Hi;
I have 30 data sets and I managed to take the average of a variable in each
set and put them in a vector like variable(It contains NaN data as well).
x<- matrix( list.files("C:/updated_CFL_Rad_files/2007/11",full=TRUE))
for(i in 1:30) {
radiation.data <-read.table(x[i], header = TRUE,sep = "
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