Large language models are routinely described in terms of their size, with figures like 7 billion or 70 billion parameters ...
For FIT tasks, the DATA= option specifies which input data set to use in estimating parameters. Variables in the model program are looked up in the DATA= data set and, if found, their attributes (type ...
The INEST= (or INVAR=, or ESTDATA=) input data set can be used to specify the initial values of the parameters defined in a PARMS statement as well as boundary constraints and the more general linear ...