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sasLM (version 1.0.1)

estmb: Estimability Check

Description

Checks the estimability of row vectors of coefficients.

Usage

estmb(L, X, g2, eps=1e-8)

Value

a vector of logical values indicating which rows are estimable (as TRUE)

Arguments

L

row vectors of coefficients

X

a model (design) matrix from ModelMatrix

g2

g2 generalized inverse of crossprod(X)

eps

An absolute value less than this is considered to be zero.

Author

Kyun-Seop Bae k@acr.kr

Details

It checks the estimability of L, row vectors of coefficients. This corresponds to the ESTIMATE statement of SAS PROC GLM. See <Kennedy Jr. WJ, Gentle JE. Statistical Computing. 1980> p361 or <Golub GH, Styan GP. Numerical Computations for Univariate Linear Models. 1971>.

See Also

G2SWEEP