---| cdfSkewed |-----------------------------------------
mon,2,tue,4,wed,8,thu,1,fri,2000

cdf[-1] = 0.000992556
cdf[-2] = 0.00148883
cdf[-3] = 0.00545906
cdf[-4] = 0.998015
cdf[-5] = 1
cdf[0] = 5
cdf[1] = mon
cdf[2] = thu
cdf[3] = wed
cdf[4] = fri
cdf[5] = tue