Category Archives: Keras

IMDB Movie Review Sentiment Analysis using Keras

The IMDB movie review dataset consists of a total of 50,000 movie reviews from ordinary people. Reviews are simple text and can be positive (7 stars or more) or negative (4 stars or fewer). The Keras neural network library documentation … Continue reading

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Introduction to Keras with TensorFlow

I wrote an article titled “Introduction to Keras with TensorFlow” in the May 2018 issue of Visual Studio Magazine. See https://visualstudiomagazine.com/articles/2018/05/01/inroduction-to-keras.aspx. It’s possible to create neural networks from raw code. But there are many code libraries you can use to … Continue reading

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Protected: Keras with TensorFlow Quick Start – Step by Step

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Inspecting the IMDB Dataset – Reverse Mapping the Index Values

Over the past few days I’ve been slowly dissecting the IMDB movie review dataset. There are 50,000 movie reviews written by ordinary people. Each review is labeled positive or negative. Working with the raw IMDB data is very difficult because … Continue reading

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Generating IMDB Training and Test Files from Source Files

A well-known benchmark dataset for machine learning is the IMDB Movie Review Dataset. There are 50,000 written reviews that are labeled positive (good movie) or negative. Therefore, the dataset can be used to create a sentiment analysis model. The Keras … Continue reading

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Inspecting the IMDB Dataset – Indexing

At any given time, I tend to have a lot of mini-projects going on. These are things that I know are going to take many days of work, so I spend an hour or two at a time on each. … Continue reading

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Inspecting the IMDB Dataset – Vocabulary Set

I set out to explore the well-known IMDB movie review sentiment analysis problem. I quickly realized that the exploration was going to take several days of work, so I’m taking the process one step at a time. This is the … Continue reading

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