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This drop-down menu allows you to choose from a range of  models applicable to data entered in the form of incremental data. The orange square with a black dot indicates the method currently applied to the data.


incremental options




Four growth models can be fitted to your data using Fabens (1965) method. These are:

von Bertalanffy used with incremental data

Gompertz used with incremental data

Logistic curve used with incremental data

Richard's model with incremental data


In the case of Richards model the method only estimates 3 of the 4 parameters and if this model is chosen you will be presented with a dialog window in which you will be asked to enter