示例#1
0
文件: sorters.py 项目: manerotoni/afw
    def __call__(self):
        # z-scoring

        if self.treedata is None:
            raise SortingError("No examples for similarity measure available!")

        zs = ZScore(self.data, replace_inf=True)
        data_zs = zs.normalize(self.data)

        # z-scored mean value of pca procjected treedata
        mu = zs.normalize(self.treedata)
        data_zs, mu = filter_nans(data_zs, mu)

        mu = mu.mean(axis=0)
        distsq = [np.power((x - mu), 2).sum() for x in data_zs]
        return np.sqrt(distsq)
示例#2
0
文件: sorters.py 项目: manerotoni/afw
    def __call__(self):
        # z-scoring

        if self.treedata is None:
            raise SortingError("No examples for similarity measure available!")

        zs = ZScore(self.data, replace_inf=True)
        data_zs = zs.normalize(self.data)

        # z-scored mean value of pca procjected treedata
        mu = zs.normalize(self.treedata)
        data_zs, mu = filter_nans(data_zs, mu)

        mu = mu.mean(axis=0)
        distsq = [np.power((x - mu), 2).sum() for x in data_zs]
        return np.sqrt(distsq)
示例#3
0
文件: sorters.py 项目: manerotoni/afw
    def __call__(self):
        # z-scoring

        if self.treedata is None:
            raise SortingError("No examples for similarity measure available!")
        if self.treedata.shape[1] < 2:
            raise SortingError(("CosineSimilarity needs at least 2 "
                                "features for sorting"))

        zs = ZScore(self.data, replace_inf=True)
        data_zs = zs.normalize(self.data)

        # z-scored mean value of pca procjected treedata
        mu = zs.normalize(self.treedata)
        data_zs, mu = filter_nans(data_zs, mu)

        mu = mu.mean(axis=0)
        denom = np.sqrt((mu**2).sum()) * np.sqrt((data_zs**2).sum(axis=1))
        s_cos = np.sum(mu * data_zs, axis=1) / denom
        return -1.0 * s_cos
示例#4
0
文件: sorters.py 项目: manerotoni/afw
    def __call__(self):
        # z-scoring

        if self.treedata is None:
            raise SortingError("No examples for similarity measure available!")
        if self.treedata.shape[1] < 2:
            raise SortingError(("CosineSimilarity needs at least 2 "
                                "features for sorting"))

        zs = ZScore(self.data, replace_inf=True)
        data_zs = zs.normalize(self.data)

        # z-scored mean value of pca procjected treedata
        mu = zs.normalize(self.treedata)
        data_zs, mu = filter_nans(data_zs, mu)

        mu = mu.mean(axis=0)
        denom = np.sqrt((mu**2).sum())*np.sqrt((data_zs**2).sum(axis=1))
        s_cos = np.sum(mu*data_zs, axis=1)/denom
        return -1.0*s_cos