{"part":"task","text":"# Datasets\nPass a dataset's id as the `dataset` argument.\n{\n \"id\": \"mpdta\",\n \"rows\": 2500,\n \"description\": \"The did package's example panel mpdta (Callaway and Sant'Anna 2021): county-level teen employment in 500 U.S. counties, 2003-2007, one row per county and year. Some states first raised their minimum wage in 2004, some in 2006 and some in 2007; the others did not in the window. Columns: countyreal, the county id; year; lemp, the log of county teen employment; lpop, the log of county population; first_treat, the year the county's state first raised its minimum wage (2004, 2006 or 2007; 0 for counties never treated in the window); treat, 1 for counties in states that raised it at some point in the window.\",\n \"columns\": {\n  \"year\": \"Int32\",\n  \"countyreal\": \"float64\",\n  \"lpop\": \"float64\",\n  \"lemp\": \"float64\",\n  \"first_treat\": \"float64\",\n  \"treat\": \"float64\"\n }\n}"}