bow.py 文件源码

def quantize(self):
        clusters = range(self.centroids.shape[0] + 1)
        histograms = {}
        for fname in sorted(self.data.keys()):
            if self.data[fname] is None: continue
            idx,_ = vq(self.data[fname], self.centroids)
            histograms[fname], _ = np.histogram(idx, bins=clusters, normed=self.normalize)
        return histograms