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