def lrelfreq(inlist,numbins=10,defaultreallimits=None):
    h,l,b,e = histogram(inlist,numbins,defaultreallimits)
    for i in range(len(h)):
        h[i] = h[i]/float(len(inlist))
    return h,l,b,e


####################################
#####  VARIABILITY FUNCTIONS  ######
####################################
Returns a relative frequency histogram, using the histogram function.
dataset/ETHPy150Open radlab/sparrow/src/main/python/third_party/stats.py/lrelfreq