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Cholesky-class Cholesky decompositions Hilbert Generate a Hilbert matrix LU-class LU 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" cscBlocked-class Class "cscBlocked" compressed, sparse, blocked Matrix cscMatrix-class Class "cscMatrix" compressed, sparse, column Matrix expand Expand a Decomposition into Factors facmul Multiplication by Decomposition Factors geMatrix-class General S4 Matrix class lmer-class lme models representation 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 poMatrix-class Positive semi-definite, dense, real matrices rcond Estimate the Reciprocal Condition Number sscChol-class Cholesky decompositions of sscMatrix objects sscCrosstab Create pairwise crosstabulation sscCrosstab-class Pairwise crosstabulations sscMatrix-class Symmetric, compressed, sparse column matrices ssclme-class lme models as sparse, symmetric matrices syMatrix-class Class "syMatrix" of symmetric matrices tcrossprod Cross-product of transpose trMatrix-class Triangular, dense, non-packed, real matrices tripletMatrix-class Class "tripletMatrix" sparse matrices in triplet form tscMatrix-class Triangular, compressed, sparse column matrices unpack Full Storage Representation of Packed Matrices y A sample response vector

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