{"part":"task","text":"# Datasets\nPass a dataset's id as the `dataset` argument.\n{\n \"id\": \"senate\",\n \"rows\": 1390,\n \"description\": \"U.S. Senate elections, 1914-2010, the extract of the data of Cattaneo, Frandsen and Titiunik (2015) that ships with the rdrobust package as its illustration: one row per state and Senate election (1,390 rows). Columns: state, state code; year, year of the election; margin, the Democratic party's margin of victory in that election, in percentage points (negative when the Democratic candidate lost); vote, the Democratic party's vote share, in percent, in the next election for the same Senate seat (missing for some rows); class, the seat's Senate class (1, 2 or 3); termshouse and termssenate, terms the Democratic candidate had served in the House and in the Senate; population, the state's population.\",\n \"columns\": {\n  \"state\": \"int64\",\n  \"year\": \"int64\",\n  \"vote\": \"float64\",\n  \"margin\": \"float64\",\n  \"class\": \"int64\",\n  \"termshouse\": \"float64\",\n  \"termssenate\": \"float64\",\n  \"population\": \"int64\"\n }\n}"}