Complete and fill missing rows with groups of uneven length
I have a dataframe of county executives and the year they were inaugurated. I am running a panel study with county-year as the unit of analysis. The date range is 2000 to 2004.
I have a dataframe of county executives and the year they were inaugurated. I am running a panel study with county-year as the unit of analysis. The date range is 2000 to 2004.