def median_cvtest(cv_results):
auprs = [(i, cv.aupr(c.ppis, c.ntest_pos)) for i,c in
enumerate(cv_results)]
auprs.sort(key=lambda x: x[1])
median_index = auprs[int(len(auprs)/2)][0]
return cv_results[median_index]
def aupr(gold, ppis):
"""
Area under precision-recall.
"""
tested,ntest_pos = tested_ppis(gold, ppis)
return cv.aupr(tested, ntest_pos)
