piecewise.py 文件源码

def _breakpoints(n_bins, scale=1.):
    """Compute breakpoints for a given number of SAX symbols and a given Gaussian scale.

    Example
    -------
    >>> _breakpoints(n_bins=2)
    array([ 0.])
    """
    return norm.ppf([float(a) / n_bins for a in range(1, n_bins)], scale=scale)