load.py 文件源码

def load_yeast_tavazoie():
    """Load and return the yeast dataset (Tavazoie et al., 2000) used in the original biclustering study
    of Cheng and Church (2000) as a pandas.DataFrame. All elements equal to -1 are missing values. This
    dataset is freely available in http://arep.med.harvard.edu/biclustering/.

    Reference
    ---------
    Cheng, Y., & Church, G. M. (2000). Biclustering of expression data. In Ismb (Vol. 8, No. 2000, pp. 93-103).

    Tavazoie, S., Hughes, J. D., Campbell, M. J., Cho, R. J., & Church, G. M. (1999). Systematic determination of genetic
    network architecture. Nature genetics, 22(3), 281-285.
    """
    module_dir = dirname(__file__)
    data = np.loadtxt(join(module_dir, 'data', 'yeast_tavazoie', 'yeast_tavazoie.txt'), dtype=np.double)
    genes = np.loadtxt(join(module_dir, 'data', 'yeast_tavazoie', 'genes_yeast_tavazoie.txt'), dtype=np.character)
    return pd.DataFrame(data, index=genes)