DD_manu_many: Multi-year diff and diff, manually

In MatthieuStigler/multiDiff: Multi-year diff-diff and FE decompositions

Multi-year diff and diff, manually

Description

This function computes the year-to-year Did. This is useful mainly for visualisation, in particular for the pre-trends (settng lag>1), but has no inference for the DiD effect itself.

Usage

DD_manu_many(
  y_var = "y",
  data,
  time.index = "Time",
  treat = "tr",
  unit.index = "unit",
  lag = 1,
  format_long = TRUE
)

Arguments

y_var	The name of the y variable
data	A data frame containing the variables of interest, should have names y_var, treat, time.index and unit.index
time.index	The name of the variable describing the time index (date, year, etc)
treat	The name of the treatment variable.
unit.index	The name of the units (individual, county, household, etc).
lag	How many lags to look at? Lag=1 will consider 0_1 sequences, lag 2: 0_1_1 etc
format_long	Should it format in long or wide?

MatthieuStigler/multiDiff documentation built on Feb. 14, 2025, 12:02 a.m.