Building a Recommendation System with R by Michele Usuelli

Author:Michele Usuelli [Usuelli, Michele]
Language: eng
Format: azw3, epub, pdf
Publisher: Packt Publishing
Published: 2015-09-29T00:00:00+00:00

The slots are:

items: This is the list with the indices of the recommended items for each user

itemLabels: This is the name of the items

n: This is the number of recommendations

For instance, these are the recommendations for the first user:

recc_predicted@items[[1]] ## [1] 201 182 254 274 193 297

We can extract the recommended movies from recc_predicted@item labels:

recc_user_1 <- recc_predicted@items[[1]]movies_user_1 <- recc_predicted@itemLabels[recc_user_1] movies_user_1

Index

Movie

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