 0.67576   Median : 0.037625  
#&gt;  Mean   :-0.005497   Mean   : 0.326509   Mean   : 0.79373   Mean   : 0.004927  
#&gt;  3rd Qu.: 0.076594   3rd Qu.: 0.335906   3rd Qu.: 1.82659   3rd Qu.: 0.658126  
#&gt;  Max.   : 3.317233   Max.   : 3.660047   Max.   : 3.56540   Max.   : 1.988571  
#&gt;       US60               US90              US210             US390         
#&gt;  Min.   :-2.85438   Min.   :-0.90355   Min.   :-0.5004   Min.   :-0.96834  
#&gt;  1st Qu.:-0.07044   1st Qu.:-0.10104   1st Qu.:-0.074