extract method for pgmm objectsextract method for pgmm objects created by the
pgmm function in the plm package.
# S4 method for pgmm
extract(
model,
include.nobs = TRUE,
include.sargan = TRUE,
include.wald = TRUE,
...
)A statistical model object.
Report the number of observations in the GOF block?
Report the Sargan test?
Report the Wald statistic?
Custom parameters, which are handed over to subroutines, in this
case to the summary method for the object.