{"part":"task","text":"# Datasets\nPass a dataset's id as the `dataset` argument.\n{\n \"id\": \"nsw_dw\",\n \"rows\": 445,\n \"description\": \"Dehejia and Wahba's RE74 subsample of LaLonde's National Supported Work experimental sample: the men for whom 1974 earnings are available, as posted by Rajeev Dehejia (nsw_dw.dta): one row per man (445 rows: the treated and the experimental controls). Columns: data_id, the sample label; treat, 1 for men randomly assigned to the NSW job training program and 0 for the experimental controls; age, in years; education, years of schooling; black, 1 if black; hispanic, 1 if Hispanic; married, 1 if married; nodegree, 1 for no high school degree; re74, re75 and re78, real earnings in 1974, 1975 and 1978 (1982 dollars).\",\n \"columns\": {\n  \"data_id\": \"str\",\n  \"treat\": \"float32\",\n  \"age\": \"float32\",\n  \"education\": \"float32\",\n  \"black\": \"float32\",\n  \"hispanic\": \"float32\",\n  \"married\": \"float32\",\n  \"nodegree\": \"float32\",\n  \"re74\": \"float32\",\n  \"re75\": \"float32\",\n  \"re78\": \"float32\"\n }\n}"}