US Economic Growth: charting the GDP+GDI average

The latest GDP number suggests inflation-adjusted annual growth of 4.2%.
However, gross domestic income (GDI) (produced by the Bureau of Economic Analysis )
Both the GDP and GDI are estimates of economic growth (with one focused on expenditure and the other on income).

The GDP-GDI average suggest economic growth rate to be in the 3% range.
This average may prove to be a useful early warning of economic conditions as investor worries grow over "peak growth" and anticipation of the next recession.

This average can be charted using data from FRED & Quandl:
('QUANDL:FRED/A261RL1Q225SBEA'+'QUANDL:FRED/A191RL1Q225SBEA')/2


More info:
bloomberg.com/view/articles/2018-08-30/gdp-and-gdi-are-both-just-approximations-of-u-s-economic-growth