def lsamplevar (inlist):
    n = len(inlist)
    mn = mean(inlist)
    deviations = []
    for item in inlist:
        deviations.append(item-mn)
    return ss(deviations)/float(n)
Parse a single change specification, as presented on the command line,
dataset/ETHPy150Open radlab/sparrow/src/main/python/third_party/stats.py/lsamplevar--crossover with--dataset/ETHPy150Open sassoftware/conary/conary/conaryclient/cmdline.py/parseChangeSpec