README

Introduction

State Populations consumes state population measures by year from a datausa.io API and stores it in a CSV file. This program then performs calculations on the resulting CSV data to discover which US states meet the following statistic criteria between the first and last recorded years:

1. Greatest population increase
2. Greatest population decrease
3. Lowest population increase
4. Lowest population decrease Users interact with State Populations via a simple CLI.

Set-Up & Usage

1. Fork this repository and clone it to your local machine in the directory it belongs.
2. cd into the directory and run bundle install from the command line.
3. In order to query the datausa.io API and create a CSV file with that info run the following command in your terminal:

rake csv:create

4. If for any reason you would like to update the state populations data available to you:

rake csv:delete
rake csv:create

5. To start the CLI and interact with the program:

ruby runner.rb

Built with Plain Old Ruby