The (Delayed) 2019 Training Review

October 13, 2020 | John McIntyre

Don’t we all miss 2019 (blame Covid for the long delay in this post). The days of going to work and seeing your work colleagues face to face - and for some of you, attending one of our on-site training courses! 2019 was a great year for us. Not only have ...
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Corr-correlation

October 9, 2020 | OSM

We recently read two blog posts from Robot Wealth and FOSS Trading on calculating rolling pairwise correlations for the constituents of an S&P 500 sector index. Both posts were very interesting and offered informative ways to solve the problem using different packages in R: tidyverse or xts. We’ll use ...
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Convolutional Neural Networks: An Introduction

October 5, 2020 | Olga Mierzwa-Sulima

tl;dr Convolutional Neural Networks (CNN) are used for the majority of applications in computer vision. You can find them almost everywhere. They are used for image and video classification and regression, object detection, image segmentation, and even playing Atari games. Understanding the convolution layer is critical in building successful ...
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