len= 1000

dist1= ( randn( len ) * 0.03 ) + 0.4
dist2= ( randn( len ) * 0.45 ) + 71.3
dist3= ( randn( len ) * 0.04 ) + 10.5
dist4= ( randn( len ) * 0.021 ) + 15.5

from org.virbo.dsutil import AutoHistogram
ah= AutoHistogram()
ah.doit( dist1 )
ah.doit( dist2 )
ah.doit( dist3 )
ah.doit( dist4 )

from org.virbo.dataset import TrimStrideWrapper 
hist= ah.getHistogram()

plot( hist )