4. Market Basket Analysis

Bobby: “Okay, I’ll make it as easy for you as I can. Give me an omelette, plain, and a chicken salad sandwich on wheat toast—no butter, no mayonnaise, no lettuce—and a cup of coffee.”

Waitress: “One Number Two, and a chicken sal san—hold the butter, the mayo, the lettuce—and a cup of coffee . . . Anything else?”

Bobby: “Now all you have to do is hold the chicken, bring me the toast, charge me for the sandwich, and you haven’t broken any rules.”

Waitress: “You want me to hold the chicken.”

Bobby: “Yeah. I want you to hold it between your knees.”

—JACK NICHOLSON AS BOBBY (ROBERT EROICA DUPEA) AND LORNA THAYER AS WAITRESS IN Five Easy Pieces (1970)

Shopping on the weekend is a half-hour walk to the grocery store. I am fairly ...

Get Modeling Techniques in Predictive Analytics: Business Problems and Solutions with R now with the O’Reilly learning platform.

O’Reilly members experience live online training, plus books, videos, and digital content from nearly 200 publishers.