lmerTest: doolittle – R documentation

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doolittle

Doolittle Decomposition

Doolittle Decomposition

doolittle(x, eps = 1e-06)

`x`	a numeric square matrix with at least 2 columns/rows.
`eps`	numerical tolerance on the whether to normalize with components in `L` with the diagonal elements of `U`.

a list with two matrices of the same dimension as x:

`L`	lower-left unit-triangular matrix
`U`	upper-right triangular matrix (not unit-triangular)

Tests in Linear Mixed Effects Models

v3.1-3

GPL (>= 2)

Authors

Alexandra Kuznetsova [aut], Per Bruun Brockhoff [aut, ths], Rune Haubo Bojesen Christensen [aut, cre], Sofie Pødenphant Jensen [ctb]

Initial release