Sorry, the comma is in the wrong place, it should be
Vsim[] <- Vsim[ , NSErr > 0.6]
Rui Barradas
Em 19-11-2012 16:18, Rui Barradas escreveu:
Hello,
Try
Vsim[] <- Vsim[NSErr > 0.6, ]
Hope this helps,
Rui Barradas
Em 19-11-2012 14:30, iembry escreveu:
Hi everyone, now I am trying to finish writing the code (I had asked for
assistance on subtracting arrays)
This is what I what I am running in R:
source("/home/ie/Documents/TTU/GA_Research/GLUE/R-Project/R_GLUE_Example/NSEr.R")
NSEr <- function (obs, sim)
{
{jjh <- (as.vector(obs) - sim)^2
Xjjhs <- apply(Xjjh, 2, sum)
Yii <- (obs - mean(obs))^2
Yiis <- apply(Yii, 2, sum)
NSEr <- 1 - (Xjjhs/Yiis)
}
NSEr}
Vsim <- read.csv("1000Samples_Vsim.csv", header = TRUE, sep =",")
Vsim <- as.matrix(Vsim[,-1]) # remove column 1 from analysis
Vobs <- read.csv("Observed_Flow.csv", header = TRUE, sep =",")
Vobs <- as.matrix(Vobs[,-1]) # remove column 1 from analysis
NSEr <- NSEr(Vobs,Vsim);
write.table(NSEr, "NSEr.csv", sep =",")
NSErr <- t(matrix(NSEr))
## select the behavioural simulations and discard the rest
Vsim <- Vsim[NSErr > 0.6]
write.table(Vsim, "Vsim.csv", sep =",")
**Vsim becomes numeric[42016] rather than a double matrix of 101x416.
What is the proper way to remove the columns in Vsim where the NSEr
for that
column is less than 0.6? I am trying to make Vsim a double matrix of
101x416.
Thank-you again.
Below is the rest of the code in R:
## normalise Qsim and compute the quantiles
NSEr <- NSEr[NSEr > 0.6]
write.table(NSEr, "NSEr_great_0.6.csv", sep =",")
NSEr <- NSEr - 0.6
write.table(NSEr, "NSEr_minus0.6.csv", sep =",")
NSEr <- NSEr/sum(NSEr)
write.table(NSEr, "NSEr_normalized.csv", sep =",")
#NSEr = sum(NSEr)
limits <- apply(Vsim, 1, "wtd.quantile", weights = NSEr, probs =
c(0.05,0.95), normwt=F)
--
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
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