test_null_weights: Test outer weights convergence within specified maxiter
Description
Internal function not to be called by the user
Usage
test_null_weights(wgs, specs)
Value
gives an error when wgs is NULL (i.e. non-convergence)
Arguments
- wgs
output from 'get_weights()'
- specs
list of specifications
Warning
Do NOT use this function unless you are ME, a package
developer, or a jedi user who really knows what is doing
(seriously!)
Details
Internal function. test_weights_output
is called
by plspm
. Basically checks that weights are not
NULL.