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Author Archives: jamesdmccaffrey
Neural Binary Classification Using PyTorch
Of the neural network code libraries I use most often (TensorFlow, Keras, CNTK, PyTorch), PyTorch is by far the least mature. The Windows version of PyTorch was released only a few weeks ago. So, there are almost no good PyTorch … Continue reading
Posted in Machine Learning, PyTorch
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NFL 2018 Week 3 Predictions – Zoltar Likes Underdogs Jets, Bills, Redskins, and Cardinals
Zoltar is my NFL prediction computer program. It uses a deep neural network and Reinforcement Learning. Here are Zoltar’s predictions for week #3 of the 2018 NFL season: Zoltar: jets by 1 dog = browns Vegas: browns by 3 Zoltar: … Continue reading
Posted in Machine Learning, Zoltar
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Career Explore-Exploit and eSports
I spoke at a large conference in Las Vegas recently. When I arrived in Vegas, on the taxi ride from the Las Vegas airport to my hotel, I noticed something odd about the Luxor hotel. The Luxor is the giant … Continue reading
Posted in Miscellaneous
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The Kendall tau Distance Metric
Suppose a group of people each rank their preference of a set of options, from best to worst. The Kendall tau distance is a metric that compares how close any two sets of rankings are. If the K-t distance for … Continue reading
Posted in Miscellaneous
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Managing Neural Network Library Versions
I regularly use four neural network code libraries: TensorFlow, Keras, PyTorch, and CNTK. The libraries require Python. Managing all the different versions of these libraries is an annoying detail that has to be taken care of very carefully. I recently … Continue reading
Posted in CNTK, Keras, Machine Learning, PyTorch
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Top Ten Women Scientists in Movies
The Grace Hopper Conference is a for-profit, women-only event. It gives women an alternative to technology conferences that only have solid tech content. Example of a GH talk last year: “Five Ways to Tap Into Your Power: Take The Lead!” … Continue reading
Posted in Top Ten
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NFL 2018 Week 2 Predictions – Zoltar Likes Five Vegas Underdogs
Zoltar is my NFL prediction computer program. It uses a deep neural network and Reinforcement Learning. Here are Zoltar’s predictions for week #2 of the 2018 NFL season: Zoltar: ravens by 0 dog = bengals Vegas: ravens by 0 Zoltar: … Continue reading
Posted in Machine Learning, Zoltar
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