summary.fdid: Summary Method for FDID Objects

In fdid: Factorial Difference-in-Differences

Summary Method for FDID Objects

Description

Summary Method for FDID Objects

Usage

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

Arguments

object	An object of class fdid.
...	Additional arguments (not used).

Value

Prints a summary of the fdid object.

Author(s)

Rivka Lipkovitz, Enhan Liu

Examples

data(fdid)
mortality$uniqueid <- paste(mortality$provid, mortality$countyid, sep = "-")
mortality$G <- ifelse(mortality$pczupu >= median(mortality$pczupu, na.rm = TRUE), 1, 0)
s <- fdid_prepare(
  data = mortality, Y_label = "mortality",
  X_labels = c("avggrain", "lnpop"),
  G_label = "G", unit_label = "uniqueid", time_label = "year"
)
result <- fdid(s, tr_period = 1958:1961, ref_period = 1957)
summary(result)

fdid documentation built on March 23, 2026, 5:07 p.m.