get_Yibar_pre | R Documentation |
A function to calculate average outcomes for units in their pre-treatment periods (this function can also be used to recover pre-treatment averages of covariates, etc.). For units that do not participate in the treatment (and therefore have group==0), the function calculates their overall average outcome.
get_Yibar_pre(df, idname, yname, tname, gname)
df |
the data.frame used in the function |
idname |
name of column that holds the unit id |
yname |
name of column containing the outcome (or other variable) for which to calculate its outcome in the immediate pre-treatment period |
tname |
name of column that holds the time period |
gname |
name of column containing the unit's group |
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