Cholesky-class Cholesky Decompositions Hilbert Generate a Hilbert matrix LU-class LU Matrix Decompositions Matrix Construct a Classed Matrix Matrix-class Class "Matrix" Virtual Class of Matrices Schur Schur Decomposition of a Matrix ScotsSec Scottish secondary school scores bCrosstab Create pairwise crosstabulation coef<- Assign parameters corFactor Extract the correlation factor corMatrix Generate the correlation matrix corrmatrix-class Class "corrmatrix" dCholCMatrix-class Cholesky Decompositions of dsCMatrix Objects dgBCMatrix-class Class "dgBCMatrix" Real Sparse Blocked Column Compressed Matrix dgCMatrix-class Compressed, sparse, column-oriented numeric matrices dgTMatrix-class Sparse matrices in triplet form dgeMatrix-class General S4 Matrix class dpoMatrix-class Positive semi-definite, dense, numeric matrices dsCMatrix-class Symmetric, compressed, sparse column matrices dsyMatrix-class Symmetric, dense matrices dtCMatrix-class Triangular, compressed, sparse column matrices dtrMatrix-class Triangular, dense, numeric matrices expand Expand a Decomposition into Factors expm Matrix exponential facmul Multiplication by Decomposition Factors lu Triangular Decomposition of a Square Matrix matrix<- Assign the matrix mm A sample sparse model matrix norm Norm of a Matrix pdFactor Square-root factor pdMatrix Return the positive-definite matrix pdfactor-class Factors of positive-definite matrices pdmatrix-class Positive-definite matrices rcond Estimate the Reciprocal Condition Number sscCrosstab Create pairwise crosstabulation sscCrosstab-class Pairwise crosstabulations ssclme-class lme models as sparse, symmetric matrices tcrossprod Cross-product of transpose unpack Full Storage Representation of Packed Matrices y A sample response vector