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Blake Rayvid

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Category: Apps

Compare Stock Returns

Posted on June 1, 2025June 18, 2025 by Blake

This page lets you enter multiple stock tickers (eg. AAPL, MSFT, GOOGL) and portfolio expressions (eg. 1.75*NVDA+1.5*AMZN+4.25*KO) and compare their returns visually against a benchmark (like SPY). It’s built with Python and Flask on the backend. Data comes from Yahoo Finance via the yfinance library, pandas crunches the numbers, and matplotlib generates the plots. The…

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SOAP: Social Polling

Posted on May 4, 2025June 18, 2025 by Blake

Constructive political criticism online is hard to find. Discussions quickly turn mean, and even minor disagreements can escalate into major arguments. Messages often get lost if one’s audience is too small, and misunderstood words can lead to backlash. That’s where Soap comes inβ€”a new kind of social platform designed to change the way we talk…

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RouteCat

Posted on May 1, 2022June 1, 2025 by Blake

This is a clustering traveling salesman solver for delivery, alleycats and more. Give the app a list of addresses and it will return the optimal groups for up to 4 drivers and provide the order to visit the stops to minimize travel time, and a map with the ideal route.   πŸ”— routecat.blakerayvid.com View on…

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Boolean Network Animation

Posted on November 19, 2020June 11, 2025 by Blake

This page animates the dynamics of a random boolean network, a collection of interconnected binary variables with a rule for determining the next state from the current one. πŸ”— network.blakerayvid.com View on GitHub

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Covid Report NYC

Posted on May 15, 2020June 1, 2025 by Blake

View the latest Covid-19 case, hospitalization, and death trends for New York City in a simple web interface. πŸ”— covidnyc.blakerayvid.com View on GitHub

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Science Sims

Posted on April 4, 2019May 29, 2025 by Blake

During my involvement with the City College Science Sims project, I had the chance to create p5.js sketches to help explain physics and math concepts. These included an interactive ray diagram utilized by faculty to enhance the teaching of optics, a damped spring system and a savings account simulator. https://brayvid.github.io View on GitHub

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D3 Desmos Flask JavaScript JQuery LLMs MATLAB Matplotlib Netlify NLTK Node NumPy P5 Pandas PostgreSQL Python QuantConnect Railway Scikit-Learn SciPy SQLAlchemy Vader YFinance

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