Explorations

 
 

March 22 2020

A few days after nonessential business closing due to the COVID-19 pandemic, the streets and trails of Philadelphia are filled with runners. While it’s nice that a lot of people have reverted to this basic form of exercise, Welcome to the club! it pains us regular runners physically when we see you run in jeans and cotton t-shirts. If running for you is a outdoor family activity and the goal is …

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December 27 2019

Earlier this month, I had a blast leading a machine learning workshop at an R Ladies Philly meetup. After an introduction to machine learning, we used a beer review dataset to predict the alcohol concentration of beer using the caret R package. We even dabbled in text analysis. Everyone was awesome and asked many excellent questions throughout! I used RStudio Cloud to facilitate this workshop to …

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November 27 2019

In the last Quaker Strong challenge in the spring (March Madness edition), I was competing with several friends and enjoyed seeing how they were doing with the challenge. However, this time, with 46 registered participants, I figured it might be fun to write a few lines of code and make some fun visualization out of the logged progress. Code and details can be found here. To protect the …

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November 5 2019

Tree-based Pipeline Optimization Tool (TPOT) is an automated machine learning tool that helps the data scientist find the optimal model pipeline for their prediction problem. Using genetic programming (GP), TPOT explores different pipelines (sequences of feature selectors, model classifiers, etc.) and recommends one with optimal cross-validated score after a specified number of generations. Here …

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October 31 2019

Last week, I got to attend a series of presentations followed by a panel discussion on open science at Penn Van Pelt-Dietrich library during the Open Access week. The panel featured (from left to right) Ted Satterthwaite, Jennifer Sisto, Daniel Himmelstein – all initiated enlightening discussions around different aspects of open science. ⊕ Photo credit: Rebecca Miller Jennifer Stiso …

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