Junhui Qian, Liangjun Su, SHRINKAGE ESTIMATION OF REGRESSION MODELS WITH MULTIPLE STRUCTURAL CHANGES, Econometric Theory, Vol. 32, No. 6 (December 2016), pp. 1376-1433. ... In this paper, we consider ...

To add a regression line, choose "Add Chart Element" from the "Chart Design" menu. In the dialog box, select "Trendline" and then "Linear Trendline." To add the R 2 value, select "More Trendline ...