The input table has more than 3000 rows of price and advertisement information the U. S. cracker brands Sunshine, Keebler, Nabisco, and a private label (such as a store brand). In the input column names:
- dispbrand means that the seller displayed the brand prominently.
- featbrand means that the seller featured the brand.
- pricebrand is the price of the brand.
Approximate Percentile Example Input Table cracker (Columns 1-8) sn id dispsunshine dispkeebler dispnabisco dispprivate featsunshine featkeebler 1 1 0 0 0 0 0 0 2 1 0 0 0 0 0 0 3 1 1 0 0 0 0 0 4 1 0 0 0 0 0 0 5 1 0 0 0 0 0 0 6 1 0 0 0 0 0 0 7 1 0 0 1 0 0 0 8 1 0 0 1 0 0 0 9 1 0 0 1 0 0 0 10 1 1 0 1 0 0 0 11 1 0 0 1 0 0 0 12 1 0 0 0 0 0 0 13 1 1 0 0 0 0 0 14 1 0 1 1 0 0 0 15 1 0 0 0 0 0 0 ... ... ... ... ... ... ... ... Approximate Percentile Example Input Table cracker (Columns 9-15) featnabisco featprivate pricesunshine pricekeebler pricenabisco priceprivate choice 0 0 98 88 120 71 Nabisco 0 0 99 109 99 71 Nabisco 0 0 49 109 109 78 Sunshine 0 0 103 109 89 78 Nabisco 0 0 109 109 119 64 Nabisco 0 0 89 109 119 84 Nabisco 0 0 109 109 129 78 Sunshine 0 0 109 119 129 78 Nabisco 0 0 109 121 109 78 Nabisco 0 0 79 121 109 78 Nabisco 0 0 109 113 109 96 Nabisco 0 0 109 121 99 86 Nabisco 0 0 89 121 99 86 Nabisco 0 0 109 109 129 96 Nabisco 0 0 ... ... ... ... ... ... ...