Summary statistics for SNPNE_NMCAID_NORIGDIS_NEF75_79 variable in hcccoefn dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- SNPNE_NMCA.. | 1 1.395 . 1.395 1.395 by Jean Roth , jroth@nber.org , 23 Mar 2017