PowerPoint Presentationswat.tamu.edu/media/40848/rahman.pdf · PCA Matlab PCA R (ade4) PCA R...
Transcript of PowerPoint Presentationswat.tamu.edu/media/40848/rahman.pdf · PCA Matlab PCA R (ade4) PCA R...
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PCA Matlab PCA R (ade4) PCA R (prcomp)
[COEFF,SCORE] = princomp(X) [COEFF,SCORE,latent] = princomp(X) [COEFF,SCORE,latent,tsquare] = princomp(X) [...] = princomp(X,'econ')
data2<-read.table("data2.txt",header=T) attach(data2) names(data2) pca_data2<-dudi.pca(data2,scannf=T) pca_data2 pca_data2$li pca_data2$co s.corcircle(pca_data2$co) par(mfrow=c(2,2)) s.corcircle(pca_data2$co) pca_data2$eig
data2<-read.table("data2.txt",header=T) attach(data2) names(data2) prcomp(data2) summary(prcomp(data2, scale = TRUE))
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◦ 0, 10 4.825 ◦ 0, 10 3.319
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NSE = 1 −
Xiobs − Xi
sim 2ni=1
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mean 2ni=1
PBIAS = Xi
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SR =RMSE
STDEVobs=
Xiobs − Xi
sim 2ni=1
Xiobs − Xi
mean 2ni=1
Xiobs m3s−1
Xisim m3s−1
Ximean
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