Summary statistics for Rx_NE_LTI_NESRD_NOD_x_F90_94 variable in rxcoeff dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- Rx_NE_LTI_.. | 1 1.304 . 1.304 1.304 by Jean Roth , jroth@nber.org , 23 Mar 2017