plotgui - Interactive data viewer. logdecay - Mean centers and variance scales a matrix using the log plttern - Plots a 2D ternary diagram. decay of the variable axis. PLS_Toolbox 7.0 pltternf - Plots a 3D ternary diagram with frequency of occurrence. lsq2top - Fits a polynomial to the top/(bottom) of data. querydb - Executes a query on a database defined by connection mdcheck - Missing Data Checker and infiller. Quick-Reference Card string. med2top - Fits a constant to top/(bottom) of data. Copyright © Eigenvector Research, 2012 reportwriter - Write a summary of the analysis including medcn - Median center scales matrix to median zero. associated figures to html/word/powerpoint. mncn - Scale matrix to mean zero. Help and Information rwb - Red white and blue color map. mscorr - Multiplicative scatter/signal correction (MSC). setpath - Modifies and saves current directory to the MATLAB normaliz - Normalize rows of matrix. helppls - Context related help on the PLS_Toolbox. search path. npreprocess - Preprocessing of multi-way arrays. readme - Release notes for Version 4.1 of PLS_Toolbox. snabsreadr - Reads Stellarnet ABS XY files. oscapp - Applies OSC model to new data. demos - Demo list for the PLS_Toolbox. spcreadr - Reads a Galactic SPC file. osccalc - Calculates orthogonal signal correction (OSC). evricompatibility - Tests for inter-product compatibility of trendtool - Univariate trend analysis tool. poissonscale - Perform Poisson scaling with scaling offset. Eigenvector toolboxes. vline - Adds vertical lines to figure at specified locations. polyinterp - Polynomial interpolation, smoothing, and evridebug - Checks the PLS_Toolbox installation for problems. writeasf - Writes AIT ASF files from a dataset object. differentiation. evridir - Locate and or create EVRI home directory. writecsv - Export a DataSet object to a comma-separated values preprocess - Selection and application of standard preprocessing evriinstall - Install Eigenvector Research Product. (CSV) file. structures. evriuninstall - Uninstall an Eigenvector Research toolbox. xclgetdata - Extracts matrix from an Excel spreadsheet. preprouser - User-defined preprocessing methods. evriupdate - Check Eigenvector.com for available PLS_Toolbox xclputdata - Write matrix to an Excel spreadsheet. registerspec - Shift spectra based on expected peak locations. updates. xclreadr - Reads an ASCII or .XLS file in as a DataSet Object. rescale - Scales data back to original scaling. plsver - Displays version information. xlsreadr - Reads .XLS files from MS Excel and other spreadsheets. savgol - Savitzky-Golay smoothing and differentiation. xyreadr - Reads one or more ASCII XY or XY... files into a DataSet savgolcv - Cross-validation for Savitzky-Golay smoothing and Plotting Analysis Aids and I/O Functions object. differentiation. abline - Draws a line on the current axes with a given slope and yscale - Rescales the y-axis limits on each subplot in a figure. scale - Scales data using specified means and std. devs. intercept. zline - Adds vertical lines to 3D figure at specified locations. shuffle - Randomly re-orders matrix and multiple blocks rows. analysis - Graphical user interface for data analysis. snv - Standard normal variate scaling. areadr - Reads ascii data and strips header. Data Editing Scaling and Preprocessing specedit - GUI for selecting spectral regions on a plot. autoexport - Exports a DataSet object to a file of the specified super_reduce - Eliminates highly correlated variables. alignmat - Alignment of matrices and N-way arrays. format. unfoldm - Rearranges (unfolds) an augmented matrix to row alignpeaks - Calibrates wavelength scale using standard peaks. autoimport - Automatically reads specified file. Handles all vectors. alignspectra - Calibrates wavelength scale using standard standard filetypes. unfoldmw - Unfolds multiway arrays along specified order. spectrum. b3spline - Univariate spline fit and prediction. windowfilter - Spectral filtering. auto - Autoscales matrix to mean zero unit variance. boxplot - Box plot of a data matrix. wlsbaseline - Weighted least squares baseline function. baseline - Subtracts a polynomial baseline offset from spectra. builddbstr - Builds a database connection string. baselinew - Baseline using windowed polynomial filter. dp - Draws a diagonal line on an existing figure. Statistics, ANOVA, Experimental Design + batchdigester - Parse wafer or batch data into MPCA or Summary ellps - Plots an ellipse on an existing figure. PCA form. anova1w - One-way analysis of variance. explode - Extracts variables from a structure array classcenter - Centers classes in data to the mean of each class. anova2w - Two-way analysis of variance. exportfigure - Automatically export figures to an external program. coadd - Reduce resolution through combination of adjacent anovadoe - Function to perform ANOVA for 2^k factorial model X, figuretheme - Resets a figure background and axes color. variables or samples. Y data. getpidata - Uses the current PI connection to construct a DSO. delsamps - Deletes samples (rows) or variables (columns) from boxbehnken - Create a Box-Behnken Design of Experiments. gselect - Selects objects in a figure (various selection styles). data matrices. ccdface - Create a Face-Centered Central Composite Design of hjyreadr - Reads HORIBA Jobin Yvon files (Windows Only). deresolv - Changes high resolution spectra to low resolution. Experiments. hline - Adds horizontal lines to figure at specified locations. editds - Editor for DataSet Objects. ccdsphere - Create a Spherical Central Composite Design of infobox - Display a string in an information box. excludemissing - Automatically exclude too-much missing data in a Experiments. loopfilereadr - An example function for reading files in a loop. matrix. corrmap - Correlation map with variable grouping. mplot - Automatic creation of subplots and plotting. glsw - Generalized least-squares weighting/preprocessing. cov_cv - Estimation of a regularized inverse covariance matrix. mtfreadr - Read AdventaCT Multi-Trace Format (MTF) files. gscale - Group/block scaling for a single or multiple blocks. distslct - Selects samples on outside of data space. parsemixed - Parse numerical and text data into a DataSet Object. gscaler - Applies group/block scaling to submatrices of a single doeeffectsplot - Create main effect or interaction plot, incl LSD pcolormap - Pseudocolor plot with labels and colorbar. matrix. bars. ploteigen - Builds dataset object of eigenvalues/RMSECV lamsel - Determines indices of wavelength axes in specified ranges. doegen - Generate a Design of Experiments (DOE) DataSet object. information. doegui - Design of Experiments tool. Statistics, ANOVA, Experimental Design + cont… Curve Resolution and Factor Analysis Linear and Non Linear Regression doeinteractions - Calculates interaction terms of a raw DOE matrix. doerunsheet - Create a doe run sheet. als - Alternating Least Squares computational engine. cls - Classical Least Squares regression for multivariate Y. doescale - Convert coded DOE to scaled DOE or scaled back to comparelcms_simengine - Calculational Engine for comparelcms. cr - Continuum Regression for multivariate y. coded. comparelcms_sim_interactive - Interactive interface for crcvrnd - Cross-validation for continuum regression. doptimal - Selects samples based on D-Optimal criteria. COMPARELCMS. crossval - Cross-validation for decomposition and linear regression. durbin_watson - Criterion for measure of continuity. coda_dw_interactive - Interactive version of CODA_DW. fastnnls - Fast non-negative least squares. exteriorpts - Selects samples on outside of data space after coda_dw - Calculates values for the Durbin_Watson criterion of figmerit - Analytical figures of merit for multivariate calibration. normalizing data. columns of data set. frpcr - Full-ratio PCR calibration and prediction. factdes - Full factorial design of experiments. corrspec - Resolves correlation spectroscopy maps. frpcrengine - Engine for full-ratio PCR regression. ffacconfusion - Generates confusion table for a fractional factorial dispmat - Calculates the dispersion matrix of two spectral sets. leverag - Calculate sample leverages. DOE. evolvfa - Evolving factor analysis (forward and reverse). lwr - Locally weighted regression for univariate Y. ffacdes1 - Fractional factorial design of experiments. ewfa - Evolving window factor analysis. lwrpred - Engine for locally weighted regression models. ftest - F test and inverse F test statistic. mcr - Multivariate curve resolution with constraints. mlr - Multiple Linear Regression for multivariate Y. halfnormplot - Produce Half-Normal or Normal plot from DOE purity - Self-modeling mixture analysis method based on purity of mlrengine - Multiple Linear Regression computational engine. dataset object. variables or spectra. modlpred - Predictions using standard model structures. percentile - Finds percentile point (similar to MEDIAN). purityengine - calculates purity values of columns of data set. modlrder - Displays model info for standard model structures. reducennsamples - Selects a subset of samples by removing wtfa - Window target factor analysis. nippls - NIPALS Partial Least Squares computational engine. nearest neighbors. pcr - Principal components regression for multivariate Y. stdsslct - Selects data subsets (often for use in standardization). Cluster Analysis and Classification pcrengine - Principal Component Regression computational ttestp - Evaluates t-distribution and its inverse. engine. class2logical - Create a PLSDA logical block from class assignments. pls - Partial least squares regression for multivariate Y. Principal Components Analysis cluster - KNN and K-means cluster analysis with dendrograms. plsnipal - NIPALS algorithm for one PLS latent variable. discrimprob - Discriminate probabilities for continuous predicted polypls - PLS regression with polynomial inner-relation. chilimit - Chi-squared confidence limits from sum-of-squares values. regcon - Converts regression model to y = ax + b form. residuals. knn - K-nearest neighbor classifier. ridge - Ridge regression by Hoerl-Kennard-Baldwin. datahat - Calculates the model estimate and residuals of the data. plsda - Partial least squares discriminant analysis. ridgecv - Ridge regression by cross validation. estimatefactors - Estimate number of significant factors in plsdaroc - Calculate and display ROC curves for PLSDA model. rinverse - Calculate pseudo inverse for PLS, PCR and RR models. multivariate data. plsdthres - Bayesian threshold determination for PLS Discriminate rmse - Calculate Root Mean Square Error. jmlimit - Confidence limits for Q residuals via Jackson-Mudholkar. Analysis. simpls - Partial Least Squares computational engine using SIMPLS knnscoredistance - Calculate the average distance to the k-Nearest simca - Soft Independent Method of Class Analogy. algorithm. Neighbors in score space. svmda - SVM Support Vector Machine for classification. svm - SVM Support Vector Machine for regression. manrotate - Graphical interface to manually rotate model svmda - SVM Support Vector Machine for classification. loadings. Multi way Functions varcapy - Calculate percent y-block variance captured by a PLS mlpca - Maximum likelihood principal components analysis. alignmat - Alignment of matrices and N-way arrays. regression model. pca - Principal components analysis. corcondia - Evaluates consistency of PARAFAC model. vip - Calculate Variable Importance in Projection from regression pcaengine - Principal Components Analysis computational engine. coreanal - Analysis of the core array of a Tucker model. model. pcapro - Projects new data on old principal components model. corecalc - Calculate the Tucker3 core given the data array and plotloads - Extract and display loadings information from a model loadings. Variable Selection structure. gram - Generalized rank annihilation method. plotscores - Extract and display score information from a model. calibsel - Statistical procedure for variable selection. modelviewer - Visualization tool for multi-way models. residuallimit - Estimates confidence limits for sum squared fullsearch - Exhaustive Search Algorithm for small problems. mpca - Multi-way (unfold) principal components analysis. residuals. gaselctr - Genetic algorithm for variable selection with PLS. nassign - Generic subscript assignment indexing for n-way arrays. ssqtable - Displays variance captured table for model. genalg - Genetic Algorithm for Variable Selection. nindex - Generic subscript indexing for n-way arrays. subgroupcl - Displays a confidence ellipse for points in a two- genalgplot - Plot GA results using selected variable plot, color- npls - Multilinear-PLS (N-PLS) for true multi-way regression. dimensional plot. coded by RMSECV. npreprocess - Preprocessing of multi-way arrays. tsqlim - Confidence limits for Hotelling's T^2. ipls - Interval PLS variable selection. outerm - Computes outer product of any number of vectors. tsqmtx - Calculates matrix for T^2 contributions for PCA. parafac - Parallel factor analysis for n-way arrays. varcap - Variance captured for each variable in PCA model. parafac2 - Parallel factor analysis for unevenly sized n-way arrays. varimax - Orthogonal rotation of loadings. tld - Trilinear decomposition. tucker - Analysis for n-way arrays. Quick -reference card for PLS_Toolbox 7.0 Copyright © Eigenvector Research, Inc. 2012 Multivariate Instrument Standardization Peak Fitting Tools Basic Statistical Tests + Utility Functions caltransfer - Create or apply calibration and instrument transfer fitpeaks - Peak fitting routine. means - Arithmethic, geometric, and harmonic means. models. peakfind - Automated identification of peaks. parammle - Maximum likelihood parameter estimates for deresolv - Changes high resolution spectra to low resolution. peakstruct - Makes an empty peak definition structure. DF_Toolbox. stdfir - Standardization based on FIR modelling. peakfunction - Outputs the estimated peaks from parameters in pctile1 - Percentile function (used by summary). stdgen - Piecewise and direct standardization transform generator. PEAKDEF. pctile2 - Alternative definition percentile function. stdize - Applies transform from STDGEN to new spectra. localmax - Automated identification of local maxima. randomttest - Randomization t-test for evaluating residuals from peakidtext - Writes peak ID information on present graph. two models. MSPC and Identification of Finite resize - Resizes arguments to same length. Impulse Response Models Distribution Fitting Tools signtest - Pairwise sign test for evaluating residuals from two models. autocor - Auto-correlation function for time series data. Graphical Interfaces summary - Summary statistics for a data vector. crosscor - Cross-correlation function for time series data. ttest1 - 1 sample t-test. fir2ss - Transform FIR model into equivalent state space model. ktool - GUI tool for investigating the density of a sample. ttest2e - 2 sample t-test assuming equal variances. plspulsm - Identifies FIR dynamics models for MISO systems. qtool - GUI tool for investigating the QQ-plot. ttest2u - 2 sample t-test assuming unequal variances. plsrsgcv - Generate PLS models for MSPC with cross-validation. cqtool - GUI tool for investigating the conditional QQ-plot. ttest2p - 2 sample paired t-test. plsrsgn - Generates a matrix of PLS models for MSPC. wilcoxon - Pairwise Wilcoxon signed rank test for evaluating replace - Replaces variables based on PCA or PLS models. Distribution Goodness of fit tests residuals from two models. wrtpulse - Create input/output matrices for dynamic model chitest - Chi-squared goodness-of-fit distribution test. identification. kstest - Kolmogorov-Smirnov goodness-of-fit distribution test. Programming Utilities Model Utilities distfit - Perform chitest for all distributions. besttime - Returns a string describing the time interval provided (in seconds). browse - PLS_Toolbox Toolbar and Workspace browser. kdensity - Kernel density estimation. cellne - Compares two cells for inequality in size and/or values. choosecomp - Automatic selection of components for various classsummary - List class and axisscale distributions for a DataSet. model types. comparevars - Compares two variables of any type and returns choosencomp - GUI to select number of components from SSQ Distribution Functions differences. table. Density, Probability, Quantile, Random Numbers contents - Mfile of functions to enable Matlab helpwin. compressmodel - Remove references to unused variables from a encode - Translates a variable into matlab-executable code. betadf - Beta cauchydf - Cauchy (Lorentzian) model. erdlgpls - Error dialog. chidf - Chi-squared expdf - Exponential copydsfields - Copies informational fields between datasets and/or evrirelease - Returns Eigenvector product release number. gammadf - Gamma gumbeldf - Gumbel models. evriscript - Create a chain of steps where each step applies a single laplacedf - Laplace (double exp.) lognormdf - Lognormal correctbias - Adjusts a regression model for bias and slope errors. pls_toolbox function. logisdf - Logistic newtondf - Newton's root matchvars - Align variables of a dataset to allow prediction with a exportfigure - Automatically export figures to an external program. normdf - Normal (gaussian) paretodf - Pareto model. figbrowser - Browser with icons of all Matlab figures. raydf - Rayleigh tdf - Student's t modelcache - Stores and retrieves models in the model cache. figuretheme - Resets a figure background and axes to a specified triangledf - Triangle unifdf - Continuous uniform modelselector - Create or apply a model selector model. color. weibulldf – Weibull modelstruct - Constructs an empty model structure. findindx - Finds the index of the array element closest to value r. reviewmodel - Examines a standard model structure for typical getdatasource - Extract summary dataset info. problems. getmlversion - Returns current Matlab version as an integer. updatemod - Update model structure to be compatible with the Distribution Plot functions getplspref - Get overriding options (preferences) for PLS_Toolbox current version. plotedf - Empirical distribution plot. functions. plotkd - Kernel density plot with overlay. lddlgpls - Dialog to load variable from workspace or MAT file. Non Linear Optimization Tools plotpct - Percentile plot. moveobj - Interactively reposition graphics objects. helppls - Context related help on the PLS_Toolbox. lmoptimize - Levenberg-Marquardt non-linear optimization. plotcqq - Conditional quantile plot. readme - Release notes for PLS_Toolbox. lmoptimizebnd - Bounded Levenberg-Marquardt non-linear plotqq - Quantile plot. reversebytes - Flips order of bytes in a word. optimization. plotsym - Symmetry plot. setplspref - Set overriding options (preferences) for PLS_Toolbox

functions. Frequently Asked Questions: http://www.eigenvector.com/faq/ Quick -reference card for PLS_Toolbox 7.0 Request Help at: [email protected] Copyright © Eigenvector Research, Inc. 2012 string_x - Add backslash before troublesome TeX characters. Send the output of the commands: evridebug, ver, path www.Eigenvector.com svdlgpls - Dialog to save variable to workspace or MAT file.