Summary statistics for foidev2017 dataset : by Jean Roth , jroth@nber.org , 17 Sep 2018 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- mdr_report~y | 945,917 6686833 270845.7 6216912 7156368 implant_flag | 0 date_remov~g | 0 date_remov~r | 0 device_seq~o | 0 -------------+--------------------------------------------------------- date_recei~d | 945,917 21002.74 106.111 17941 21184 date_recei~r | 0 brand_name | 0 generic_name | 0 manufactu~me | 0 -------------+--------------------------------------------------------- manufactur~1 | 0 manufactur~2 | 0 manufactur~y | 0 manuf~e_code | 0 manuf~p_code | 0 -------------+--------------------------------------------------------- manufactur~t | 0 manuf~y_code | 0 manuf~l_code | 0 expiration~e | 191,520 20243.92 1475.03 -3652 21438 expiration~r | 0 -------------+--------------------------------------------------------- model_number | 0 lot_number | 0 catalog_nu~r | 0 other_id_n~r | 0 device_op~or | 923,584 12.39977 25.09561 -3 600 -------------+--------------------------------------------------------- device_op~tr | 0 device_ava~y | 922,031 16.17309 2.951739 0 25 device_ava~r | 0 date_retu~er | 349,592 20864.33 408.8882 15013 21431 date_retu~tr | 0 -------------+--------------------------------------------------------- device_rep~e | 0 device_age~t | 0 device_eva~n | 810,401 20.75614 3.668217 14 25 device_eva~r | 0 baseline_b~e | 0 -------------+--------------------------------------------------------- baseline_g~e | 0 device_eve~y | 0 by Jean Roth , jroth@nber.org , 17 Sep 2018