tr: Matrix trace
In friendly/mvinfluence: Influence Measures and Diagnostic Plots for Multivariate Linear Models
tr R Documentation
Matrix trace
Description
Calculates the trace of a matrix
Usage
tr(M)
Arguments
M
a matrix
Details
For square, symmetric matrices, such as covariance matrices, the trace is sometimes
used as a measure of size, e.g., in Pillai's trace criterion for a MLM.
Value
returns the sum of the diagonal elements of the matrix
Author(s)
Michael Friendly
Examples
M <- matrix(sample(1:9), 3,3)
tr(M)
friendly/mvinfluence documentation built on Sept. 28, 2022, 10:05 a.m.
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| tr | R Documentation |
Matrix trace
Description
Calculates the trace of a matrix
Usage
tr(M)
Arguments
M |
a matrix |
Details
For square, symmetric matrices, such as covariance matrices, the trace is sometimes used as a measure of size, e.g., in Pillai's trace criterion for a MLM.
Value
returns the sum of the diagonal elements of the matrix
Author(s)
Michael Friendly
Examples
M <- matrix(sample(1:9), 3,3) tr(M)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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