def sbr(data, weights):
    """Stolen Base Runs (SBR)
    SBR = runSB * SB + runCS * CS

    :param data: DataFrame or Series of player, team, or league totals
    :param weights: DataFrame or Series of linear weights
    :returns: Series of SBR values
    """
    return weights["lw_sb"] * data["sb"] + weights["lw_cs"] * data["cs"]