Question
Which algorithm is commonly used for collaborative
filtering in recommendation systems?Solution
The k-nearest neighbors algorithm, also known as KNN or k-NN, is a non-parametric, supervised learning classifier, which uses proximity to make classifications or predictions about the grouping of an individual data point.
5                             6                             14              �...
22Â Â Â Â Â Â Â Â Â Â 62Â Â Â Â Â Â Â Â Â Â 178Â Â Â Â Â Â Â Â 522Â Â Â Â Â Â Â Â 1550Â Â Â Â Â Â ?
...6 16 ? 244 1,245 7,506 52,591
1,2, 5, ‘?’, 41, 122, 365
D irection: Which of the following will replace ‘?’ in the following series
460, 462, ‘?’, 467.5, 470.97
...5, 14, 41, 122, 365, 1094, ?
3 2 10 ? 17 16
...18 113 559 2247 6721 13451
...?     190      210      238      274     318
...15 25 40 65 ? 195
Relevant for Exams:
