Nortonbass_error function

Fits Norton Bass curve and estimated RMSE

Nortonbass_error(x, param, gstart = NULL, flexpq = F)

Arguments

• x: matrix with generations
• param: the parameters for curve to estimated
• gstart: optional vector of starting points for the generations
• flexpq: flexible p and q

Returns

yhat, the predicted values

actuals, the actual values

RMSE, the root mean squared error for each generation

Author(s)

Oliver Schaer, info@oliverschaer.ch