Summary statistics for demo2005q3 dataset : by Jean Roth , jroth@nber.org , 18 Dec 2015 Variable | Obs Mean Std. Dev. Min Max -------------+-------------------------------------------------------- primaryid | 81314 4748281 25048.21 4627939 4876136 caseid | 81314 5789197 333886.3 3089957 5986862 i_f_code | 0 i_f_code_num | 81310 71.37198 .9282449 70 72 foll_seq | 0 -------------+-------------------------------------------------------- image | 0 event_dt | 57606 2.00e+07 46482.62 1.91e+07 2.99e+07 event_dt_num | 57606 16236.94 1702.594 -19692 377979 mfr_dt | 75578 2.01e+07 224430.2 1.91e+07 5.20e+07 mfr_dt_num | 75578 16652.15 8197.274 -18783 1183602 -------------+-------------------------------------------------------- fda_dt | 81314 2.01e+07 83.46412 2.01e+07 2.01e+07 fda_dt_num | 81314 16665.69 26.9296 16527 16709 rept_cod | 0 rept_cod_num | 81314 729782.4 49822.16 687382 806982 mfr_num | 0 -------------+-------------------------------------------------------- mfr_sndr | 0 age | 55464 222.6365 1988.93 0 34192 age_cod | 0 sex | 0 e_sub | 0 -------------+-------------------------------------------------------- wt | 26316 104.7953 93.62931 0 5607 wt_cod | 0 rept_dt | 81057 2.01e+07 105384 2.00e+07 5.01e+07 rept_dt_num | 81057 16660.34 3849.11 14245 1112359 occp_cod | 0 -------------+-------------------------------------------------------- death_dt | 8019 2.00e+07 22887.46 1.92e+07 2.02e+07 to_mfr | 0 confid | 0 reporter_c~y | 0 occp_cod_num | 63292 7546.337 484.7605 6778 8072 by Jean Roth , jroth@nber.org , 18 Dec 2015