Init_func function

Initialize model Judgement variables and so on.

Init_func(userdata, model, guess, method, plot)

Arguments

• userdata: a data frame containing all model variables. The "time" column must be included.
• model: a string of model.
• guess: a list or a string. Guess the coefficients or initial values.
• method: a list or a string. The available options are 'Nelder-Mead','L-BFGS-B','SANN' and 'BFGS'.
• plot: TRUE or FALSE.

Returns

a list