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"""
scipy manual: http://docs.scipy.org/doc/scipy/reference/generated/scipy.stats.chisquare.html
"""

from scipy.stats import chisquare
# calculate frequencies
freq_data = np.histogram(data,normed=True,bins=range(0,30,1))[0] 
chisquare(freq_data)
# Power_divergenceResult(statistic=1.7350936497601266, pvalue=0.99999999999930067)