iloglike | R Documentation |
For function that calculating standard error of estimate. Internal function that users should not call directly.
iloglike( eta, Choice_Set_List, Choice_Set_Code, Base_Prod, Num_Prod, Num_Attr, Alts_Same_Choice_Set, Is_Purchase )
eta |
numeric vector, the model parameters to be estimated |
Choice_Set_List |
list, product code included for each choice set. |
Choice_Set_Code |
numeric, choice set code Number specified for calculating log-likelihood. |
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. |
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. |
The log-likelihood value for each individual and each alternative.
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