keras-recommender | Recommender built using keras | Recommender System library
kandi X-RAY | keras-recommender Summary
kandi X-RAY | keras-recommender Summary
Recommender built using keras
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Top functions reviewed by kandi - BETA
- Fit model
- Create the model
- Fit the model
- Fits the model
- Download posters
- Download movie from IMDB
- Evaluate the model
- Predict for item ids
- Loads the model
- Predict a single item
- Predict for a single item
- Loads the VGG16 model
- Load the model
- Predict for given items
- Plots the history of a model
- Creates the history plot
- Evaluate the mean absolute error
keras-recommender Key Features
keras-recommender Examples and Code Snippets
Community Discussions
Trending Discussions on keras-recommender
QUESTION
I learn collaborative filtering from this bolg, Deep Learning With Keras: Recommender Systems.
The tutorial is good, and the code working well. Here is my code.
There is one thing confuse me, the author said,
...The user/movie fields are currently non-sequential integers representing some unique ID for that entity. We need them to be sequential starting at zero to use for modeling (you'll see why later).
ANSWER
Answered 2020-Mar-14 at 14:13Embeddings are assumed to be sequential.
The first input of Embedding
is the input dimension.
So, if the input exceeds the input dimension the value is ignored.
Embedding
assumes that max value in the input is input dimension -1 (it starts from 0).
https://www.tensorflow.org/api_docs/python/tf/keras/layers/Embedding?hl=ja
As an example, the following code will generate embeddings only for input [4,3]
and will skip the input [7, 8]
since input dimension is 5.
I think it is more clear to explain it with tensorflow;
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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Install keras-recommender
You can use keras-recommender like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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