Extract the vector of coefficients from a NSGEV object.
A NSGEV object.
Character. For type = "psi", the vector
\(\boldsymbol{\psi}\) of model parameters is
returned. When instead type is "theta", the matrix
of GEV parameters \(\boldsymbol{\theta}_i\) is
returned, with one row by block (or observation) and one column
for each of the GEV parameters "loc", "scale" and
"shape".
Not used yet.
Vector \(\mathbf{\psi}\) of coefficients, or matrix with the GEV parameters \(\mathbf{\theta}_i\)
as its rows.