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updated 1 month ago

libPLS: An Integrated Library for Partial Least Squares Regression and Discriminant Analysis by Hongdong Li

chemometrics, metabolomics, model population analysis, variable selection, feature selection (statistics, modeling, model population anal...)

C=ldapinv(X,y,weight)

CARS=carspls(X,y,A,fold,method,num,selectLV,originalVersi...

CV=plscv(X,y,A,K,method,PROCESS,order)

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updated 2 months ago

Mixture of Partial Least Squares Experts - Mix-PLS by Francisco Alexandre Souza

Mixture of Partial Least Squares Experts (soft sensors, mixture of experts, mixture models)

DoF=pls_dof(t,Yhat,X,y)

K=krylov(A,b,m)

[par,Q_plot]=MIX_PLS_TRAIN(x,y,ne,n_int)

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updated 1 year ago

Kennard-Stone algorithm (KS) for data partition by Hongdong Li

A state-of-the-art algorithm for partitioning a data into a training set and a test set (mathematics, chemometrics, selecting representit...)

Rank=ks(X)

demo.m

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updated 1 year ago

Soft Independent Modeling of Class Analogy (SIMCA) by Cleiton Nunes

M-files for classes modeling and prediction by SIMCA (chemometrics, classification, simca)

simca.m

simcapred.m

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updated 1 year ago

Similarity classifier with OWA operators by Pasi Luukka

Toolbox presents vector based classification method which uses similarity measures and OWA operators (classification, fuzzy, biotech)

[Classification_accuracy,p1,m1,classes]=simclass(datalear...

[Mean_accuracy, Variance,p1,m1,Means,Vars,Maxsf,Minsf]=si...

calcfit(data, ideals, y)

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updated 1 year ago

Análise de Agrupamento Hierárquico (HCA) by Carlos Diego Lima de Albuquerque

As distâncias Euclidianas são calculadas e agrupamento é feito na através da média. (chemometrics, classification, hierarquical cluster ...)

hca.m

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updated 1 year ago

Análise de Componentes Principais (PCA) by Carlos Diego Lima de Albuquerque

Emprega a PCA nos dados. (chemometrics, principal components ..., classification)

pca_biplot.m

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updated 1 year ago

Pré-Processamento dos dados by Carlos Diego Lima de Albuquerque

Processa os dados através das colunas. (chemometrics, classification, preprocessing)

prep.m

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updated almost 2 years ago

icoshift by Francesco Savorani

An advanced tool for dealing with & solving signal misalignment in all kind of spectra-like datasets (alignment, preprocessing, chemometrics)

icoshift.m

icoshiftdemo.m

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updated 2 years ago

Nonlinear fuzzy robust pca by Pasi Luukka

Implementation of a nonlinear fuzzy robust pca. (pca, fuzzy, chemometrics)

[scores,loads]=nfrpca(x,LV,method)

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updated 2 years ago

PLS regression or discriminant analysis, with leave-one-out cross-validation and prediction. by Cleiton Nunes

M-files for PLS, PLS-DA, with leave-one-out cross-validation and prediction (chemometrics, pls, partial least squares)

pls(x,y,vl,da)

plscv(x,y,vl,da)

plspred(x,model,y)

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updated 2 years ago

Similarity classifier by Pasi Luukka

Classifier based on similarity measure. (biotech, image processing, data exploration)

[Classification_accuracy,p1,m1,classes]=simclass(datalear...

[Mean_accuracy, Variance,p1,m1]=simclass2(data,v,c, measu...

calcfitness(data, ideals, y, w)

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updated almost 3 years ago

Chemometric data preprocessing by Cleiton Nunes

M-files for data preprocessing by several methods. (chemometrics, preprocessing, calibration)

[x_msc]=msc(x,xref)

abstrans(X)

auto(x)

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updated almost 3 years ago

Feature selection using fuzzy entropy measures and similarity by Pasi Luukka

Removes a feature from data file which it considers havining least amount of relevant information. (data exploration, measurement, biotech)

[data_mod, index_rem]=feat_sel_sim(data, measure, p)

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updated 3 years ago

Elastic Component Regression (ECR) for uncovering the path from PCR to PLS by Hongdong Li

ECR is a newly developed method for high dimensional data compression and regression. (statistics, chemometrics, ecr)

CV=ecrcv(X,y,A,K,method,alpha,OPT,order)

F=ecr(X,y,A,method,alpha)

F=ecrpred(model,Xtest,ytest)

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updated 5 years ago

Sign correction in SVD and PCA by Rasmus Bro

Determines the right sign of the singular vectors in SVD (score- and loading vectors in PCA) (svd, evd, chemometrics)

sign_flip(loads,X)

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