The rows of the resulting matrix will be named using the following
logic: {parameter}_{time}_{category}_{group} where parameter is the
name of the parameter, time is the time index of the parameter,
category specifies the level of the response the parameter
is related to if the response is categorical, and group determines which
group of observations the parameter is related to in the case of random
effects and loadings. Non-applicable fields in the this syntax are set
to NA.