Description Usage Arguments Value Author(s) References Examples
The following function provides a useful computation to contrast a single covariance matrix against to an already set covariance matrix as in Simar(2007).
1 | SingleCovComp(Sigma_0, Sigma, n, alpha = 0.05)
|
Sigma_0 |
a positive define matrix which contains the variances and covariances under the null hypothesis |
Sigma |
A positive define matrix which contains the variances and covariances that is being use to contrast |
n |
number of observatios |
alpha |
level of significance |
LStatistic |
a value of the likelihood ratio estimator |
df |
total number of degrees of freedom for the likelihood ratio |
chi2 |
the value of the Chi Square statistic for the likelihod radio |
pValue |
the p value of the Chi square statistic |
Jesus Gonzalez <jmgonzalezf@unal.edu.co>, Andres Palacios <anfpalacioscl@unal.edu.co>, Campo Elias Pardo <cepardot@unal.edu.co>
Hardle, W. & Simar, L. (2007), Applied Multivariate Statistical Analysis, Springer, New York.
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