A.I, Data and Software Engineering

Tagmovie lens

Create bipartite graph from a rating matrix

bipartite graph from movie lens

As deep learning on graphs is trending recently, this article will quickly demonstrate how to use networkx to turn rating matrices, such as MovieLens dataset, into graph data. The rating data We use rating data from the movie lens. The rating data is loaded into rdata which is a Pandas DataFrame. This article demonstrates how to preprocess movie lens data. After processing, the rdata should look...

One-hot encoding matrices demonstration

movie lens automation

This post will demonstrate onehot encoding for a rating matrix, such as movie lens dataset. One-hot encoding Previously, we introduced a quick note for one-hot encoding. It is a representation of categorical variables as binary vectors. It is a group of bits among which the legal combinations of values are only those with a single high (1) bit and all the others low (0) Rating matrix If you are...

Movielens automation- Process and export

movie lens automation

Movie lens is a popular collection of datasets for recommender systems. This post introduces a python script to process the movie lens datasets, generate a negative sample, and transforms the datasets into SVM light format. The format is also known as libfm format used in many factorization machines. Movie Lens datasets Movie lens icon on Amazon MovieLens is a web-based recommender...

A.I, Data and Software Engineering

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