andrewlubsey/weather

Companion app for Data Visualization Toolkit

NOAA Weather Readings

This repository provides downloadable code for the book, "Data Visualization Toolkit"; see DataVisualizationToolkit.com.

These example programs are licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

To Run

This is a rails app that runs on Ruby 2.2.3. Clone the repo and run:

• bundle install
• bundle exec rake db:create db:migrate

Checkpoints

• Ch 3, "Working with Time Series Data"
  • Initial setup (9c007a0)
  • Weather Reading + Weather Station import (c7d8553)
  • Line graph (f047c76)
  • Chapter 3 Tweak 1 (97e5bef)
  • Chapter 3 Tweak 2 (d1e84fa)
  • Chapter 3 Tweak 3 (8531817)
  • Chapter 3 Tweak 4 (6cfb627)
  • Chapter 3 Tweak 5 (582d026)
• Ch 4, "Working with Large Datasets"
  • Import large file via HTTP (uses git-lfs) (051d179)
  • Benchmarking (f0b4039)
  • Scopes in the WeatherReading model (56d207b)
  • Add WeatherReading index (fe7c719)
• Ch 5, "Window Functions, Subqueries, and Common Table Expression"
  • lead() window function in console (not in app)
  • subquery, CTE in console (not in app)
  • CTE + heatmap (fd39ec6)
• Ch 10, "Making Maps with Leaflet and Rails"
  • Weather stations map (ff628eb)