Articles by R on Notes of a Dabbler

Using Pyomo from R through the magic of Reticulate

June 30, 2020 | 0 Comments

Pyomo is a python based open-source package for modeling optimization problems. It makes it easy to represent optimization problems and can send it to different solvers (both open-source and commercial) to solve the problem and return the results in python. The advantage of pyomo compared to commercial software such as ... [Read more...]

Proofs without Words using gganimate

April 25, 2020 | 0 Comments

I recently watched the 2 part workshop (part 1, part 2) on ggplot2 and extensions given by Thomas Lin Pedersen. First of, it was really nice of Thomas to give the close to 4 hour workshop for the benefit of the community. I personally learnt a lot from it. I wanted to try out ...
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Fastai Collaborative Filtering with R and Reticulate

March 31, 2018 | 0 Comments

Jeremy Howard and Rachel Thomas are founders of fast.ai whose aim is to make deep learning accessible to all. They offer a course called Practical Deep Learning for Coders (Part 1). The last session, taught by Jeremy, was in Fall 2017 and the videos were released early January 2018. Their approach is ... [Read more...]

Fastai Collaborative Filtering with R and Reticulate

March 31, 2018 | 0 Comments

Jeremy Howard and Rachel Thomas are founders of fast.ai whose aim is to make deep learning accessible to all. They offer a course called Practical Deep Learning for Coders (Part 1). The last session, taught by Jeremy, was in Fall 2017 and the videos were released early January 2018. Their approach is ... [Read more...]

Exploring Instacart Dataset with PCA

May 21, 2017 | 0 Comments

Recently, Instacart released a dataset of ~3 million orders made by ~200,000 users at different days of week and times of day. There is also an ongoing Kaggle competition to predict which products a user will buy again. My goal here is more modest where I just wanted to explore the dataset ...
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