This data has been generated to illustrate the use of difference in difference functions in
package fixest. This is a balanced panel of 104 individuals and 10 periods.
About half the individuals are treated, the treatment having a positive effect on
the dependent variable y after the 5th period. The effect of the treatment on y is gradual.
Usage
data(base_did)Format
base_did is a data frame with 1,040 observations and 6 variables named
y, x1, id, period, post and treat.
- y
The dependent variable affected by the treatment.
- x1
An explanatory variable.
- id
Identifier of the individual.
- period
From 1 to 10
- post
Indicator taking value 1 if the period is strictly greater than 5, 0 otherwise.
- treat
Indicator taking value 1 if the individual is treated, 0 otherwise.