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lucananni93/quantile_normalization.py

Created May 28, 2019 11:57
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Quantile Normalization using Numpy
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quantile_normalization.py
import numpy as np
def quantile_normalization(m):
sort_idx = np.argsort(m, axis=0)
ranks = np.argsort(sort_idx, axis=0)
sorted_cols = np.sort(m, axis=0)
col_ranks = sorted_cols.mean(1)
qnorm = col_ranks[ranks]
return qnorm
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