preprocessing.py 文件源码

def fit_transform(self, X, **kwargs):
        """Fit to data, then transform it.

        Parameters
        ----------
        X : array-like
            Time series dataset to be resampled.

        Returns
        -------
        numpy.ndarray
            Resampled time series dataset.
        """
        X_ = to_time_series_dataset(X)
        n_ts, sz, d = X_.shape
        equal_size = check_equal_size(X_)
        X_out = numpy.empty((n_ts, self.sz_, d))
        for i in range(X_.shape[0]):
            xnew = numpy.linspace(0, 1, self.sz_)
            if not equal_size:
                sz = ts_size(X_[i])
            for di in range(d):
                f = interp1d(numpy.linspace(0, 1, sz), X_[i, :sz, di], kind="slinear")
                X_out[i, :, di] = f(xnew)
        return X_out