\newcommand{\B}[1]{ {\bf #1} }
\newcommand{\R}[1]{ {\rm #1} }
\newcommand{\W}[1]{ \; #1 \; }This is dismod_at-20221105 documentation: Here is a link to its
current documentation
.
Creation
A new version of this table is created each time a
fit both
,
fit random
, or
sample asymptotic
command is executed.
There are no Laplace
densities
in the random effects objective.
None of the constraints are included in the calculation of this Hessian.
hes_random_id
This column has type integer and is the primary key for
the this table.
Its initial value is zero, and it increments by one for each row.
row_var_id
This is the var_id
for the row of the Hessian that this element corresponds to.
col_var_id
This is the var_id
for the column of the Hessian that this element corresponds to.
hes_random_value
This column has type real and is the value of the second derivative
of the random effects objective w.r.t. the two
random effects
specified by the row and column indices above.
Note that the row and column indices are equal for the diagonal
elements of the Hessian.
Representation
Only the lower triangle of the Hessian is included
(because the Hessian is symmetric).
The matrix is in row major order; i.e.
row_var_id
is monotone non-decreasing and for each value of
row_var_id
the
col_var_id
is monotone increasing.
This is a sparse representation; i.e.,
if a pair of row and column indices in the lower triangle
are not present, the Hessian is zero for that row and column pair.
Input File: omh/table/hes_random_table.omh
