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hdlugas's Projects

bts icon bts

Web-based R Shiny application for teaching, learning, and performing statistical analyses common in the biological/healthcare sciences.

ekg_tda icon ekg_tda

This is an algorithm which detects electrocardiogram features using persistent homology and then measures the PR,QT,ST-interval, QRS-duration, P-wave duration, and T-wave duration based off of the upper and lower time axis bounds of the representative cycles of the detected features within the dataset. Essentially, P, Q, S, and T waves are classified as dimension one homology features with a persistence and center of mass of representative cycle within certain ranges depending on the specific waveform being identified. For more about intuition behind the topological invariants of the data along with how these invariants are used to measure intervals of interest and eventually characterize arrhythmias, see "ekg_feature_extraction_intro.docx"

ekg_tda_arrhythmia_detection icon ekg_tda_arrhythmia_detection

This repository contains Python scripts which process a given ECG signal and construct predictor variables based off of persistent homology-derived statistics. This repository also contains R scripts which implement a variety of binary classification models for detection of arrhythmias.

etsy_shop_scraper icon etsy_shop_scraper

The main script in this repository uses python's Beautiful Soup package to web-scrape Etsy shop data.

m2 icon m2

The primary source code repository for Macaulay2, a system for computing in commutative algebra, algebraic geometry and related fields.

mzsearch icon mzsearch

Command-line Python tool to perform spectral library matching to identify compounds with host of preprocessing transformations and silmilarity measures

number_binary_bases icon number_binary_bases

Python code that counts the number of bases for R^n consisting of vectors of only 0's and 1's.

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