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R/alr.R
In chemometrics: Multivariate Statistical Analysis in Chemometrics
"alr" <-
function(X,divisorvar){
# additive logratio transformation
# INPUT: X...data matrix, divisorvar...number of ratioing variable
X.alr <- log10(X/X[,divisorvar])
return(X.alr[,-divisorvar])
}
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chemometrics documentation built on Aug. 25, 2023, 5:18 p.m.
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"alr" <-
function(X,divisorvar){
# additive logratio transformation
# INPUT: X...data matrix, divisorvar...number of ratioing variable
X.alr <- log10(X/X[,divisorvar])
return(X.alr[,-divisorvar])
}
Try the chemometrics package in your browser
Any scripts or data that you put into this service are public.
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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