summary.PanelData: Summarize the number of unique units and time periods in a...

In PanelMatch: Matching Methods for Causal Inference with Time-Series Cross-Sectional Data

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

Description

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

Usage

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

Arguments

object	PanelData object
...	Not used

Value

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)

PanelMatch documentation built on April 3, 2025, 6:34 p.m.