Robuta

https://www.inderscience.com/info/inarticle.php?artid=76472
Inderscience is a global company, a dynamic leading independent journal publisher disseminates the latest research across the broad fields of science,...
new methodsforecast errorarticledevelopmentmeasuring
https://www.census.gov/library/working-papers/2002/demo/POP-twps0057.html
In this study, Census 2000 counts are used to measure forecast error in projections for April 1, 2000.
forecast errorstate populationevaluatingprojections