pffr_get_dimensions: Detect data dimensions for pffr
Description
Detect data dimensions for pffr
Usage
pffr_get_dimensions(ydata, data, response_name, frml_env, eval_env)
Value
A list with nobs, nyindex, ntotal, is_sparse.
Arguments
- ydata
The ydata argument (NULL for dense data).
- data
The data argument.
- response_name
The response variable name (symbol).
- frml_env
The formula environment.
- eval_env
Evaluation environment/list used to resolve variables.