import watterson_lib

import tdx2

dline = tdx2.get_dayline_by_fid('sh000001', 5)

a = 1

for k in dline:

a = a + 1

k.cl=a

for k in dline:

print k.ftime,k.cl

pd = 3

prd = 2

d1 = watterson_lib.delta_ratio_reverse(dline, 1, 1)

d2 = watterson_lib.delta_ratio_reverse(dline, 1, 0)

d3 = watterson_lib.average(dline, 2, 0)

d4 = watterson_lib.variance(dline, 2, 0)

print d1, d2, d3, d4