ESTF_gamma {RMM} | R Documentation |
Estimating model parameter gamma(no-purchase utility).
Description
Estimating model parameter gamma(no-purchase utility) given estimated model parameters. Internal function that users should not call directly.
Usage
ESTF_gamma(
eta_wo_k,
Attr,
Choice_Set_List,
Alts_Same_Choice_Set,
Is_Purchase,
Base_Prod,
Num_Prod,
Num_Attr,
cond
)
Arguments
Attr |
list, a set of data frame in which alternative specific variables. |
Choice_Set_List |
list, product code included for each choice set. |
Alts_Same_Choice_Set |
list, for internal calculation, a list of data exposed to the same choice set. |
Is_Purchase |
list, for internal calculation, list of customers who are exposed to the same choice set who purchased the product. If purchased 1, otherwise 0. |
Base_Prod |
numeric, the baseline product number |
Num_Prod |
numeric, the number of all products in observed data. |
Num_Attr |
numeric, the number of attributes in observed data. |
cond |
numeric, the value associated with prop, which is the argument of the |
Value
The estimated value of parameters except gamma(no-purchase utility).