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
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--
On Thu, Nov 4, 2010 at 8:49 PM, Nasrin Pak astronas...@gmail.com wrote:
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 = ,, quote = ,
dec = .)
attach(radiation.data)
names(radiation.data)
mean.radiation[i]- mean(PAR_avg,na.rm = TRUE)
}
How can I plot this vector (mean.radiation[i]) vs i ?
I tried to do so but there was an error:
Error in plot.window(...) : need finite 'ylim' values
In addition: Warning messages:
1: In min(x) : no non-missing arguments to min; returning Inf
2: In max(x) : no non-missing arguments to max; returning -Inf
--
Sincerely
Nasrin Pak
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