Python scrapy code & jupyter notebook for visualizations: https://github.com/datatodavid/GF_Restaurant_Scraper Why I Scraped FindMeGlutenFree.com FindMeGlutenFree.com is a go-to website in the gluten free / celiac community. The platform works as a Yelp-like user-based restaurant search engine, except one that is meant only for restaurants with gluten-free offerings. This focus makes it …

Introduction Over the past two decades financial markets have see a growing shift towards passive funds. With this, traditional active portfolio management has waned on account of capital allocated to each of these products. As I do not examine its capital allocation within this dashboard, I have instead taken a …

Lending Club was a peer-to-peer lending platform that connected investors to borrowers. They were an alternative to the traditional bank lending system. One of the appeals of Lending Club is that the loans they facilitated were of lower interest rates compared to banks because Lending Club only took a flat …

Purpose and Goal: Inspired by the popularities of avocado toasts among millennials, and finding skyrocketed prices on avocadoes at produce sections recently, I wanted to find out which cities in the U.S. provide the most reasonable prices for avocados and understand the market and trends better to hopefully benefit suffering …

Shiny Website | Github | LinkedIn Introduction Guns and gun ownership have long become one of the most emblematic features of the United States, both in popular media and in policy. The vast majority of information pertaining to firearms has come to us translated through disparate, often politically partisan sources, …

If the work of a human’s mind can be somehow represented, interactive data visualization is the closest form of such representation right before pure art. So, what is Interactive data visualization and how are they driven by modern interactive data visualization tools? Generally speaking, data visualization itself visually represents a …

How to create a timeline graph using Vega

Data is one of the most valued assets for the businesses today. And since every aspect of the organization creates data, which is relevant to the businesses to understand the whys and whens in the processes, companies are in a rush to gain the ability to capitalize on what data …

Photo by Johnathan21 on Shutterstock GitHub Repository | LinkedIn Go To Shiny Dashboard Motivation While facial masks are commonly used to protect yourself from COVID-19 nowadays, it was not long ago when people mainly used masks on a daily basis to protect themselves from air pollution in Korea. Some might …

The United States Geospatial Intelligence Foundation (USGIF) published a white paper on a topic impacting the intelligence community (IC) and more specifically, the GEOINT community; Geospatial Intelligence & AI/ML Progress During a Pandemic.

Photo by Ivan Marc on Shutterstock GitHub Repository | LinkedIn Motivation As a dedicated Netflix user for the past several years, I often find myself scrolling over and over trying to find a TV series to watch. At some point, I came to a realization that maybe it is about …

Github Repository | LinkedIn: Rob Davis, James Welch, Sita Thomas Background For this project we were tasked with designing a marketing strategy for KKBox, a streaming music service. We were given four datasets describing user demographics, transaction history, listening history, and churn rate. This project explores which users are the …

The data collected is from the ten most populated cities in the US with a focus on BBQ restaurants sorted by number of reviews. Data for the top 100 restaurants was collected for each city. Yelp data was collected using Scrapy. The purpose of this analysis is to determine which …

Background The used car market is massive. It amounts to a TAM (total addressable market) of almost $1 trillion with 40 million+ cars sold each year. Despite such a size, the industry is notorious for its lack of transparency and poor customer service. Competition is fierce, as the largest player …

Link to Shiny Project Link to the Code Background on rails If Warren Buffet were stuck on a deserted island and could only have access to one economic indicator, he said he would choose rail carloads (he owns Burlington Northern, one of the largest railroads in the US). While rails …

To meet future demands, fight climate change, decrease reliance on foreign powers, encourage global stability and support the local economy, Spain ought to decrease its dependence on imported fossil fuels and shift focus to take advantage of renewable energy sources available within. According to Eurostat data from 2018, Spain imports …

https://datatodavid.shinyapps.io/Colorado_COVID_vs_Demographics/ https://github.com/datatodavid/CO_COVID Why build a COVID website for Colorado? Building a COVID visualization website in 2020 runs the risk of being a redundant task. With the world gripped by this continuing pandemic, thousands of data scientists have tackled how to visualize the impact of this novel virus in the last …

The demand for data professionals like Data Analysts is booming. This is a direct result of more and more organizations becoming data driven and leveraging data to streamline their operations, compete better, and improve customer experiences. According to the US Bureau of Labor Statistics, the thriving job market for data …