Search Results:
Showing results 1 to 10 of 388.
Function is.fullrank [limma v3.28.14]
- keywords
- algebra
- title
- Check for Full Column Rank
- description
- Test whether a numeric matrix has full column rank.
Function get.eigentraits [cape v2.0.2]
- keywords
- algebra
- title
- Calculate eigentraits from phenotype matrix
- description
- This function performs the singular value decomposition (SVD) on the phenotype matrix after first removing individuals with missing data. The eigentraits are the left singular vectors of the decomposition. This function optionally mean centers and normalizes the phenotype matrix before performing the SVD.
Function projections [lspls v0.2-2]
- keywords
- algebra
- title
- Projection and Orthogonalisation
- description
- Functions to project one matrix onto another, or to ortghogonalise it against the other.
Function make.del [mvnmle v0.1-11.1]
- keywords
- algebra
- title
- Make the upper triangular matrix del from a parameter vector
- description
- make.del takes a parameter vector of length \(k*(k+1)/2\) and returns the upper triangular \(k \times k\) matrix \(\Delta\). make.del is a private function intended for use inside mlest.
Function tr [lmreg v1.2]
- keywords
- algebra
- title
- Trace of matrix
- description
- Computes the trace of a given matrix.
Function my.positive.definite.solve [pendensity v0.2.13]
- keywords
- algebra
- title
- my.positive.definite.solve
- description
- Reverses a quadratic positive definite matrix.
Function tab.disjonctif [FactoMineR v2.2]
- keywords
- algebra
- title
- Make a disjonctif table
- description
- Make a disjonctif table.
Function tab.disjonctif.prop [FactoMineR v2.2]
- keywords
- algebra
- title
- Make a disjunctive table when missing values are present
- description
- Create a disjunctive table. The missing values are replaced by the proportion of the category.
Function svd.triplet [FactoMineR v2.2]
- keywords
- algebra
- title
- Singular Value Decomposition of a Matrix
- description
- Compute the singular-value decomposition of a rectangular matrix with weights for rows and columns.
Function dimcalc [lsa v0.73.2]
- keywords
- algebra
- title
- Dimensionality Calculation Routines (LSA)
- description
- Methods for choosing a `good' number of singular values for the dimensionality reduction in LSA.