xpnd

xpnd reconstitutes a symmetric matrix from a vector obtained with the vech function.

Provide data generation and estimation tools for the multivariate scale mixtures of normal
presented in Lange and Sinsheimer (1993) <doi:10.2307/1390698>, the multivariate scale
mixtures of skew-normal presented in Zeller, Lachos and Vilca (2011)
<doi:10.1080/02664760903406504>, the multivariate skew scale mixtures of normal
presented in Louredo, Zeller and Ferreira (2021) <doi:10.1007/s13571-021-00257-y>
and the multivariate scale mixtures of skew-normal-Cauchy presented in Kahrari et al. (2020)
<doi:10.1080/03610918.2020.1804582>.

Diego Gallardo

skewMLRM

Estimation for Scale-Shape Mixtures of Skew-Normal Distributions

Clecio Ferreira

Camila Zeller

xpnd function

<dl> <dt>x</dt>
<dd>vector with the components of the upper diagonal of the matrix</dd> <dt>nrow</dt>
<dd>dimension of the matrix to be reconstitute.</dd></dl>

Arguments

Clecio Ferreira, Diego Gallardo and Camila Zeller.

Author

Reconstitute a symmetric matrix from a vector. — xpnd

<dl>

 <dt>x</dt>
<dd>vector with the components of the upper diagonal of the matrix</dd>

 <dt>nrow</dt>
<dd>dimension of the matrix to be reconstitute.</dd>

</dl>

xpnd: Reconstitute a symmetric matrix from a vector.

Description

Usage

Value

Arguments

Author

Examples