owpolynomialregression.py 文件源码

def plot_error_bars(self, x,  actual, predicted):
        self.remove_error_items()
        if self.error_bars_enabled:
            for x, a, p in zip(x, actual, predicted):
                line = pg.PlotCurveItem(
                    x=[x, x], y=[a, p],
                    pen=pg.mkPen(QColor(150, 150, 150), width=1),
                    antialias=True)
                self.plotview.addItem(line)
                self.error_plot_items.append(line)
        self.plotview.replot()