Question: 6 users, u 1 - u 6 ,7 items, i 1 - i 7 and the following ratings matrix (Items are given a rating between

6 users, u₁- u₆,7 items, i₁- i₇and the following ratings matrix (Items are given a rating between 1 and 5; 0 indicates that a user has not rated that item). Calculate all the Pearson Correlations for user 1 and all for user 2.

6 users, u1 - u6 ,7 items, i1 - i7 and the

Users\Items in i iz 3 14 is 16 2 3 5 ui 0 2 N 0 3 5 1 3 un 0 U2 3 4 5 0 4 uz 1 4 3 0 1 N 0 U4 0 N 5 4 0 1 2 5 1 0 4 us 3 3 N 5 1 0 0 3 4 U6 3 3

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