This S3 method allows you to retrieve either the number of
observations or number of entities in the data used to fit wbm
objects.
Usage
# S3 method for wbm
nobs(object, entities = TRUE, ...)
Arguments
- object
A fitted model object.
- entities
Should
nobs
return the number of entities in the panel or the number of rows in thepanel_data
frame? Default is TRUE, returning the number of entities.- ...
Further arguments to be passed to methods.
Examples
data("WageData")
wages <- panel_data(WageData, id = id, wave = t)
model <- wbm(lwage ~ lag(union) + wks, data = wages)
nobs(model)
#> [1] 595