How to bypass limitations of the Twitter Official API when scraping twitter data. — GetOldTweets3 is a free Python 3 library that allows you to scrape data from twitter without requiring any API keys. It also allows you to scrape historical tweets > 1 week old, which you cannot do with the Twitter API. Using GetOldTweets3, you can scrape tweets using a variety of…

Conceptual deep dive with step-by-step implementation in numpy and sklearn. — “Finding patterns is easy in any kind of data-rich environment… the key is in determining whether the patterns represent noise or signal.” — Nate Silver Introduction Bias-Variance Tradeoff A typical issue students run into when fitting a model is balancing the model’s bias with its variance, known as the bias-variance tradeoff.

A brief look at COVID-19 infection rates in South Korea and Italy. — COVID-19 Situation Overview According to the World Health Organization (WHO), COVID-19, or “coronavirus disease 2019,” is a respiratory illness caused by a newly discovered coronavirus that is believed to have originated in Wuhan City, China, in December 2019. The virus has since spread to most of the globe, with confirmed cases increasing every…

Using Seasonal Decomposition to Inform the SARIMA Model Selection of Soybean Prices in Python. — There are a variety of approaches you can use when working with time series data, such as linear models, ARIMA models, exponential smoothing methods, and recurrent neural networks (RNNs). In this post, I will focus on an extension of the ARIMA model that also accounts for seasonality in the data…