summary.PanelData function

Summarize the number of unique units and time periods in a PanelData object

## S3 method for class 'PanelData'
summary(object, ...)

Arguments

• object: PanelData object
• ...: Not used

Returns

Returns a data.frame object, with columns "num.units" and "num.periods." These specify the number of unique units and time periods that appear in the balanced panel data.

Examples

d <- PanelData(dem, "wbcode2", "year", "dem", "y")
summary(d)