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chemometrics (version 1.4.2)

Multivariate Statistical Analysis in Chemometrics

Description

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

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Install

install.packages('chemometrics')

Monthly Downloads

3,376

Version

1.4.2

License

GPL (>= 3)

Maintainer

P. Filzmoser

Last Published

March 17th, 2017

Functions in chemometrics (1.4.2)

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).
clr

centered logratio transformation
plotresmvr

Plot residuals from repeated DCV
treeEval

Classification tree evaluation by CV
plotprm

Plot results from robust PLS
lassocoef

Plot Lasso coefficients
ilr

isometric logratio transformation
prm

Robust PLS
nnetEval

Neural network evaluation by CV
plotcompmvr

Component plot for repeated DCV
ridgeCV

Repeated CV for Ridge regression
plotcompprm

Component plot for repeated DCV of PRM
lassoCV

CV for Lasso regression
knnEval

kNN evaluation by CV
pls_eigen

Eigenvector algorithm for PLS
pcaVarexpl

PCA diagnostics for variables
Phenyl

Phenyl data set
plotresprm

Plot residuals from repeated DCV of PRM
plotsom

Plot SOM results
pcaCV

Determine the number of PCA components with repeated cross validation
ash

ash data
NIR

NIR data
Moutlier

Plots classical and robust Mahalanobis distances
pcaDiagplot

Diagnostics plot for PCA
delintercept

Delete intercept from model matrix
plotpredprm

Plot predictions from repeated DCV of PRM
glass.grp

glass types of the glass data
lmCV

Repeated Cross Validation for lm
cereal

Data from cereals
hyptis

Hyptis data set
sd_trim

Trimmed standard deviation
plotpredmvr

Plot predictions from repeated DCV
stepwise

Stepwise regression
mvr_dcv

Repeated double-cross-validation for PLS and PCR
svmEval

Support Vector Machine evaluation by CV
PAC

GC retention indices
plotSEPmvr

Plot SEP from repeated DCV
plotSEPprm

Plot trimmed SEP from repeated DCV of PRM
plotRidge

Plot results of Ridge regression
alr

additive logratio transformation
drawMahal

Draws ellipses according to Mahalanobis distances
glass

glass vessels data
pls2_nipals

PLS2 by NIPALS
prm_cv

Cross-validation for robust PLS
pls1_nipals

PLS1 by NIPALS
prm_dcv

Repeated double-cross-validation for robust PLS
RPvectors

Generating random projection directions
nipals

PCA calculation with the NIPALS algorithm
clvalidity

compute and plot cluster validity