How could concept of training set be used to improve quality

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Reference no: EM131380646

The following table shows ratings for six people and six movies.

	Movie 1	Movie 2	Movie 3	Movie 4	Movie 5	Movie 6
Jane		5		4
Jill	4		3		3
Britney	5	5	4	5	4	4
Phil					1	2
Gloria	3		7		5
Mitchell			2	4	4	3

1. Use user-based filtering to predict each missing rating in the table.

2. Use item-based filtering to predict each missing rating in the table.

3. How could the concept of a Training set be used to improve the quality of the estimated ratings defined by Equations 1 and 2.

Reference no: EM131380646

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