Conference Evolution

The 40% of you who read this blog and are die-hard catalogers probably learned about the news yesterday (click here).I’ve run my own consulting business for nearly thirteen years. In case you haven’t noticed, the world was very different in 2007 than it is in 2020.When I began my consulting work, conferences were critical to success.

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Oh, There’s A Pricing Thing Going On Here

Here was our business from yesterday … and it’s clear that volume shifted out of early November into the Cyber Monday window.But what about pricing issues? Did this company discount everything, or did this company do something clever to manage Cyber Monday?Let’s look at the average price per item sold:November = $21.26.Thanksgiving – Cyber Monday = $21.38.December = $21.

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How to analyze smartphone sensor data with R and the BreakoutDetection package

Yesterday, Jörg has written a blog post on Data Storytelling with Smartphone sensor data. Here’s a practical approach on how to analyze smartphone sensor data with R. In this example I will be using the accelerometer smartphone data that Datarella provided in its Data Fiction competition.

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Exponentially Growing Learning Rate? Implications of Scale Invariance induced by Batch Normalization

Yesterday I read this intriguing paper about the midboggling fact that it is possible to use exponentially growing learning rate schedule when training neural networks with batch normalization:Zhiyuan Li and Sanjeev Arora (2019) An Exponential Learning Rate Schedule for Deep LearningThe paper provides both theoretical insights as well as empirical demonstration of this remarcable property.

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Scikit-learn sprint and 0.14 release candidate (Update: binaries available :)

Yesterday a week-long scikit-learn coding sprint in Paris ended.And let me just say: a week is pretty long for a sprint. I think most of us were pretty exhausted in the end. But we put together a release candidate for 0.14 that Gael Varoquaux tagged last night.You can install it via: pip install -U https://github.com/scikit-learn/scikit-learn/archive/0.14a1.

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RVATech Summit Slides

I promised the audience at the RVATech Summit yesterday that I’d post the updated slides for my “Can a Machine be Racist or Sexist?” talk, so here they are!
Here is the link to the previous post, which has a pdf version of the slides that’s almost identical, and a video from when I gave this talk at Tom Tom Fest Applied Machine Learning Conference in 2018.

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