Now that we have some background on how to create components with D3 using hardcoded data in variables, we can continue the process by developing D3 components against data in a CSV file. In order to do so, there are two architectural matters that will need to be addressed before any type of development begins:
In Chapter 2, Web Scraping, we scraped data from a GitHub website, which was extracted to a CSV file and then uploaded to MS SQL Server. The file was called
DiscountCodebyWeek and contained the following three columns:
When the data was ...