Movie Ratings ============= .. figure:: icons/movie-ratings.png Constructs a relation matrix of user ratings for movies. Signals ------- **Inputs**: - (None) **Outputs**: - **Ratings** Movie ratings relation matrix. Description ----------- **Movie Ratings** widget gives you access to data on user ratings for more than 8500 movies from the `Movielens `__ database. The data set contains 1 to 5-star ratings representing user-movie preferences. This is a good widget to try out data fusion as it gives you instant access to the data. .. figure:: images/MovieRatings-stamped.png 1. Select a subset of movies for which you would like to obtain user ratings: - **fraction of movies** will output a specified fraction of movies selected uniformly at random from the entire database. - **time period** will output all the movies released in a specified time period 2. Click *Apply* to commit the changes. Example ------- **Movie Ratings** will output users-by-movies data matrix for further analysis. Feed it into the **Fusion Graph** to decompose data matrix into the product of smaller latent data matrices or view the data in a **Data Table**. .. figure:: images/MovieRatings-Example.png