Inspecting choice data

Pemodelan Pilihan untuk Pemasaran di R

Elea McDonnell Feit

Assistant Professor of Marketing, Drexel University

Data for linear regression

Choice data

To count up the number of times a car is chosen at each price point:

xtabs(choice ~ price, data = sportscar)

Resulting in:

price
  30  35  40 
1010 666 324

Pemodelan Pilihan untuk Pemasaran di R