{"part":"task","text":"# Datasets\nPass a dataset's id as the `dataset` argument.\n{\n \"id\": \"cheng_does_strengthening\",\n \"rows\": 550,\n \"description\": \"This dataset examines the impact of castle-doctrine statutes on violent crime rates in the United States. It combines state-level crime data from the FBI Uniform Crime Reports (UCR) Summary Files with information on the timing of castle-doctrine law implementation across states. The laws were adopted at different times, with 21 states enacting them between 2000 and 2010.\\n\\nDataset Variables:\\nyear: Calendar year\\npost: Indicator for post-treatment period\\nsid: State ID\\nrobbery_gun_r: Region-quarter fixed effect (robbery with gun)\\njhcitizen_c: Justifiable homicides by private citizens\\njhpolice_c: Justifiable homicides by police officers\\nhomicide: Homicide rate per 100,000 state population\\nrobbery: Robbery rate per 100,000 state population\\nassault: Aggravated assault rate per 100,000 state population\\nburglary: Burglary rate per 100,000 state population\\nlarceny: Larceny rate per 100,000 state population\\nmotor: Motor vehicle theft rate per 100,000 state population\\nmurder: Murder rate per 100,000 state population\\nl_homicide: Log of homicide rate\\nl_robbery: Log of robbery rate\\nl_assault: Log of aggravated assault rate\\nl_burglary: Log of burglary rate\\nl_larceny: Log of larceny rate\\nl_motor: Log of motor vehicle theft rate\\nl_murder: Log of murder rate\\nunemployrt: State unemployment rate\\nblackm_15_24: Percent of Black males aged 15 to 24\\nwhitem_15_24: Percent of White males aged 15 to 24\\nblackm_25_44: Percent of Black males aged 25 to 44\\nwhitem_25_44: Percent of White males aged 25 to 44\\npoverty: State poverty rate\\nl_police: Logged police presence\\nl_income: Logged income\\nl_prisoner: Logged number of prisoners\\nl_lagprisoner: Lagged log prisoners\\nl_exp_subsidy: Logged subsidy spending\\nl_exp_pubwelfare: Logged public welfare spending\\nlead1, lead2, lead3, lead4, lead5, lead6, lead7, lead8, lead9, lag0, lag1, lag2, lag3, lag4, lag5: Indicators of how many time periods until/since treatment\\npopwt: Population weight\\nr20001, r20002, r20003, r20004, r20011, r20012, r20013, r20014, r20021, r20022, r20023, r20024, r20031, r20032, r20033: Region-quarter fixed effects\\ntrend_1, trend_10, trend_11, trend_12, trend_13, trend_14, trend_15, trend_16, trend_17, trend_18, trend_19: linear time trends\",\n \"columns\": {\n  \"state\": \"str\",\n  \"year\": \"int64\",\n  \"sid\": \"int64\",\n  \"cdl\": \"float64\",\n  \"pre2_cdl\": \"float64\",\n  \"caselaw\": \"float64\",\n  \"anywhere\": \"int64\",\n  \"assumption\": \"int64\",\n  \"civil\": \"int64\",\n  \"homicide_c\": \"int64\",\n  \"robbery_gun_r\": \"float64\",\n  \"jhcitizen_c\": \"int64\",\n  \"jhpolice_c\": \"int64\",\n  \"homicide\": \"float64\",\n  \"robbery\": \"float64\",\n  \"assault\": \"float64\",\n  \"burglary\": \"float64\",\n  \"larceny\": \"float64\",\n  \"motor\": \"float64\",\n  \"murder\": \"float64\",\n  \"hc_felonywsus\": \"float64\",\n  \"jhcitizen\": \"float64\",\n  \"jhpolice\": \"float64\",\n  \"population\": \"int64\",\n  \"police\": \"float64\",\n  \"unemployrt\": \"float64\",\n  \"income\": \"int64\",\n  \"blackm_15_24\": \"float64\",\n  \"whitem_15_24\": \"float64\",\n  \"blackm_25_44\": \"float64\",\n  \"whitem_25_44\": \"float64\",\n  \"prisoner\": \"float64\",\n  \"lagprisoner\": \"float64\",\n  \"poverty\": \"float64\",\n  \"exp_subsidy\": \"float64\",\n  \"exp_pubwelfare\": \"float64\",\n  \"northeast\": \"int64\",\n  \"midwest\": \"int64\",\n  \"south\": \"int64\",\n  \"west\": \"int64\",\n  \"effyear\": \"float64\",\n  \"r20001\": \"float64\",\n  \"r20002\": \"float64\",\n  \"r20003\": \"float64\",\n  \"r20004\": \"float64\",\n  \"r20011\": \"float64\",\n  \"r20012\": \"float64\",\n  \"r20013\": \"float64\",\n  \"r20014\": \"float64\",\n  \"r20021\": \"float64\",\n  \"r20022\": \"float64\",\n  \"r20023\": \"float64\",\n  \"r20024\": \"float64\",\n  \"r20031\": \"float64\",\n  \"r20032\": \"float64\",\n  \"r20033\": \"float64\",\n  \"r20034\": \"float64\",\n  \"r20041\": \"float64\",\n  \"r20042\": \"float64\",\n  \"r20043\": \"float64\",\n  \"r20044\": \"float64\",\n  \"r20051\": \"float64\",\n  \"r20052\": \"float64\",\n  \"r20053\": \"float64\",\n  \"r20054\": \"float64\",\n  \"r20061\": \"float64\",\n  \"r20062\": \"float64\",\n  \"r20063\": \"float64\",\n  \"r20064\": \"float64\",\n  \"r20071\": \"float64\",\n  \"r20072\": \"float64\",\n  \"r20073\": \"float64\",\n  \"r20074\": \"float64\",\n  \"r20081\": \"float64\",\n  \"r20082\": \"float64\",\n  \"r20083\": \"float64\",\n  \"r20084\": \"float64\",\n  \"r20091\": \"float64\",\n  \"r20092\": \"float64\",\n  \"r20093\": \"float64\",\n  \"r20094\": \"float64\",\n  \"r20101\": \"float64\",\n  \"r20102\": \"float64\",\n  \"r20103\": \"float64\",\n  \"r20104\": \"float64\",\n  \"trend_1\": \"float64\",\n  \"trend_2\": \"float64\",\n  \"trend_3\": \"float64\",\n  \"trend_4\": \"float64\",\n  \"trend_5\": \"float64\",\n  \"trend_6\": \"float64\",\n  \"trend_7\": \"float64\",\n  \"trend_8\": \"float64\",\n  \"trend_9\": \"float64\",\n  \"trend_10\": \"float64\",\n  \"trend_11\": \"float64\",\n  \"trend_12\": \"float64\",\n  \"trend_13\": \"float64\",\n  \"trend_14\": \"float64\",\n  \"trend_15\": \"float64\",\n  \"trend_16\": \"float64\",\n  \"trend_17\": \"float64\",\n  \"trend_18\": \"float64\",\n  \"trend_19\": \"float64\",\n  \"trend_20\": \"float64\",\n  \"trend_21\": \"float64\",\n  \"trend_22\": \"float64\",\n  \"trend_23\": \"float64\",\n  \"trend_24\": \"float64\",\n  \"trend_25\": \"float64\",\n  \"trend_26\": \"float64\",\n  \"trend_27\": \"float64\",\n  \"trend_28\": \"float64\",\n  \"trend_29\": \"float64\",\n  \"trend_30\": \"float64\",\n  \"trend_31\": \"float64\",\n  \"trend_32\": \"float64\",\n  \"trend_33\": \"float64\",\n  \"trend_34\": \"float64\",\n  \"trend_35\": \"float64\",\n  \"trend_36\": \"float64\",\n  \"trend_37\": \"float64\",\n  \"trend_38\": \"float64\",\n  \"trend_39\": \"float64\",\n  \"trend_40\": \"float64\",\n  \"trend_41\": \"float64\",\n  \"trend_42\": \"float64\",\n  \"trend_43\": \"float64\",\n  \"trend_44\": \"float64\",\n  \"trend_45\": \"float64\",\n  \"trend_46\": \"float64\",\n  \"trend_47\": \"float64\",\n  \"trend_48\": \"float64\",\n  \"trend_49\": \"float64\",\n  \"trend_50\": \"float64\",\n  \"trend_51\": \"float64\",\n  \"l_murder\": \"float64\",\n  \"l_homicide\": \"float64\",\n  \"l_homicide_c\": \"float64\",\n  \"l_robbery\": \"float64\",\n  \"l_assault\": \"float64\",\n  \"l_burglary\": \"float64\",\n  \"l_larceny\": \"float64\",\n  \"l_motor\": \"float64\",\n  \"l_robbery_gun\": \"float64\",\n  \"l_jhcitizen\": \"float64\",\n  \"l_jhpolice\": \"float64\",\n  \"l_hc_felonywsus\": \"float64\",\n  \"l_robbery_gun_r\": \"float64\",\n  \"l_pop\": \"float64\",\n  \"l_police\": \"float64\",\n  \"l_income\": \"float64\",\n  \"l_prisoner\": \"float64\",\n  \"l_lagprisoner\": \"float64\",\n  \"l_exp_subsidy\": \"float64\",\n  \"l_exp_pubwelfare\": \"float64\",\n  \"treatment_date\": \"float64\",\n  \"post\": \"float64\",\n  \"time_til\": \"float64\",\n  \"lead1\": \"float64\",\n  \"lead2\": \"float64\",\n  \"lead3\": \"float64\",\n  \"lead4\": \"float64\",\n  \"lead5\": \"float64\",\n  \"lead6\": \"float64\",\n  \"lead7\": \"float64\",\n  \"lead8\": \"float64\",\n  \"lead9\": \"float64\",\n  \"lag0\": \"float64\",\n  \"lag1\": \"float64\",\n  \"lag2\": \"float64\",\n  \"lag3\": \"float64\",\n  \"lag4\": \"float64\",\n  \"lag5\": \"float64\",\n  \"_Iyear_2001\": \"int64\",\n  \"_Iyear_2002\": \"int64\",\n  \"_Iyear_2003\": \"int64\",\n  \"_Iyear_2004\": \"int64\",\n  \"_Iyear_2005\": \"int64\",\n  \"_Iyear_2006\": \"int64\",\n  \"_Iyear_2007\": \"int64\",\n  \"_Iyear_2008\": \"int64\",\n  \"_Iyear_2009\": \"int64\",\n  \"_Iyear_2010\": \"int64\",\n  \"popwt\": \"float64\"\n }\n}"}