'Load data from our stored baseline.'

def load_adjusted_array(self, columns, dates, assets, mask):

    column = self.column
    if (len(columns) != 1):
        raise ValueError("Can't    load    multiple    columns    with    DataFrameLoader")
    elif (columns[0] != column):
        raise ValueError(("Can't    load    unknown    column    %s" % columns[0]))
    date_indexer = self.dates.get_indexer(dates)
    assets_indexer = self.assets.get_indexer(assets)
    good_dates = (date_indexer != (-1))
    good_assets = (assets_indexer != (-1))
    return {column: AdjustedArray(data=self.baseline[ix_(date_indexer, assets_indexer)], mask=((good_assets & as_column(good_dates)) & mask), adjustments=self.format_adjustments(dates, assets), missing_value=column.missing_value)}
