{"part":"task","text":"# Datasets\nPass a dataset's id as the `dataset` argument.\n{\n \"id\": \"fatalities\",\n \"rows\": 336,\n \"description\": \"Stock and Watson's traffic fatalities panel (R package AER, Fatalities; Ruhm 1996): one row per U.S. state (the 48 contiguous states) and year, 1982-1988 (336 rows). Columns: rownames, a row number; state, two-letter state code; year; spirits, spirits consumption; unemp, unemployment rate; income, per capita personal income (1987 dollars); emppop, employment to population ratio; beertax, tax on a case of beer (1988 dollars); baptist and mormon, percent of residents Southern Baptist and Mormon; drinkage, minimum legal drinking age; dry, percent of residents in dry counties; youngdrivers, percent of drivers aged 15-24; miles, average miles per driver; breath, jail, service, 'yes' for a preliminary breath test law, mandatory jail sentence and mandatory community service; fatal, number of vehicle fatalities; nfatal and sfatal, night-time and single-vehicle fatalities; fatal1517, fatal1820, fatal2124 and their night-time counterparts, fatalities by age group; afatal, alcohol-involved fatalities; pop, population; pop1517, pop1820, pop2124, population by age group; milestot, total vehicle miles (millions); unempus and emppopus, national unemployment rate and employment ratio; gsp, growth of gross state product. Columns built from the book's definition: fatal_per_pop, fatal divided by pop; frate, the traffic fatality rate, deaths per 10,000 residents (fatal_per_pop times 10,000).\",\n \"columns\": {\n  \"rownames\": \"int64\",\n  \"state\": \"str\",\n  \"year\": \"int64\",\n  \"spirits\": \"float64\",\n  \"unemp\": \"float64\",\n  \"income\": \"float64\",\n  \"emppop\": \"float64\",\n  \"beertax\": \"float64\",\n  \"baptist\": \"float64\",\n  \"mormon\": \"float64\",\n  \"drinkage\": \"float64\",\n  \"dry\": \"float64\",\n  \"youngdrivers\": \"float64\",\n  \"miles\": \"float64\",\n  \"breath\": \"str\",\n  \"jail\": \"str\",\n  \"service\": \"str\",\n  \"fatal\": \"int64\",\n  \"nfatal\": \"int64\",\n  \"sfatal\": \"int64\",\n  \"fatal1517\": \"int64\",\n  \"nfatal1517\": \"int64\",\n  \"fatal1820\": \"int64\",\n  \"nfatal1820\": \"int64\",\n  \"fatal2124\": \"int64\",\n  \"nfatal2124\": \"int64\",\n  \"afatal\": \"float64\",\n  \"pop\": \"float64\",\n  \"pop1517\": \"float64\",\n  \"pop1820\": \"float64\",\n  \"pop2124\": \"float64\",\n  \"milestot\": \"float64\",\n  \"unempus\": \"float64\",\n  \"emppopus\": \"float64\",\n  \"gsp\": \"float64\",\n  \"fatal_per_pop\": \"float64\",\n  \"frate\": \"float64\"\n }\n}"}