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# summary of the License: fields found in Files: clauses
import pandas as pd
store = pd.HDFStore('cp.h5')
cpf = store['cp_files']
def histogram(values):
hist = {}
for v in values:
v_ = v.lower()
hist[v_] = hist.get(v_, 0) + 1
return hist
licenses = histogram(cpf['_license'])
for (k, v) in sorted(licenses.iteritems(), key=lambda x: x[1], reverse=True):
print '%-40s %6d' % (k.encode('utf8'), v)
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