Principal Components Analysis

chilimit - Chi-squared confidence limits from sum-of-squares residuals.

datahat - Calculates the model estimate and residuals of the data.

estimatefactors - Estimate number of significant factors in multivariate data.

jmlimit - Confidence limits for Q residuals via Jackson-Mudholkar.

knnscoredistance - Calculate the average distance to the k-Nearest Neighbors in score space.

manrotate - Graphical interface to manually rotate model loadings.

mlpca - Maximum likelihood principal components analysis.

pca - Principal components analysis.

pcaengine - Principal Components Analysis computational engine.

pcapro - Projects new data on old principal components model.

plotloads - Extract and display loadings information from a model structure.

plotscores - Extract and display score information from a model.

residuallimit - Estimates confidence limits for sum squared residuals.

ssqtable - Displays variance captured table for model.

subgroupcl - Displays a confidence ellipse for points in a two-dimensional plot.

tsqlim - Confidence limits for Hotelling's T^2.

tsqmtx - Calculates matrix for T^2 contributions for PCA.

varcap - Variance captured for each variable in PCA model.

varimax - Orthogonal rotation of loadings.

(Sub topic of Categorical_Index)