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chemometrics (version 1.3.7)

Multivariate Statistical Analysis in Chemometrics

Description

This package is the R companion to the book "Introduction to Multivariate Statistical Analysis in Chemometrics" written by K. Varmuza and P. Filzmoser (2009)

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Version

Install

install.packages('chemometrics')

Monthly Downloads

6,354

Version

1.3.7

License

GPL (>= 3)

Maintainer

P. Filzmoser

Last Published

November 7th, 2011

Functions in chemometrics (1.3.7)

glass

glass vessels data
nnetEval

Neural network evaluation by CV
pls_eigen

Eigenvector algorithm for PLS
mvr_dcv

Repeated double-cross-validation for PLS and PCR
cereal

Data from cereals
lassocoef

Plot Lasso coefficients
knnEval

kNN evaluation by CV
plotcompmvr

Component plot for repeated DCV
Phenyl

Phenyl data set
PAC

GC retention indices
glass.grp

glass types of the glass data
ridgeCV

Repeated CV for Ridge regression
RPvectors

Generating random projection directions
stepwise

Stepwise regression
prm_cv

Cross-validation for robust PLS
alr

additive logratio transformation
plotpredprm

Plot predictions from repeated DCV of PRM
clr

centered logratio transformation
drawMahal

Draws ellipses according to Mahalanobis distances
prm

Robust PLS
sd_trim

Trimmed standard deviation
plotsom

Plot SOM results
pcaVarexpl

PCA diagnostics for variables
prm_dcv

Repeated double-cross-validation for robust PLS
plotresprm

Plot residuals from repeated DCV of PRM
plotpredmvr

Plot predictions from repeated DCV
plotresmvr

Plot residuals from repeated DCV
NIR

NIR data
pcaDiagplot

Diagnostics plot for PCA
plotSEPprm

Plot trimmed SEP from repeated DCV of PRM
pls2_nipals

PLS2 by NIPALS
pls1_nipals

PLS1 by NIPALS
treeEval

Classification tree evaluation by CV
pcaCV

Determine the number of PCA components with repeated cross validation
plotprm

Plot results from robust PLS
hyptis

Hyptis data set
Moutlier

Plots classical and robust Mahalanobis distances
ash

ash data
plotcompprm

Component plot for repeated DCV of PRM
chemometrics-package

This package is the R companion to the book "Introduction to Multivariate Statistical Analysis in Chemometrics" written by K. Varmuza and P. Filzmoser (2009).
clvalidity

compute and plot cluster validity
ilr

isometric logratio transformation
plotRidge

Plot results of Ridge regression
plotSEPmvr

Plot SEP from repeated DCV
lmCV

Repeated Cross Validation for lm
lassoCV

CV for Lasso regression
svmEval

Support Vector Machine evaluation by CV
nipals

PCA calculation with the NIPALS algorithm