Charty with Rails

Transcript

1. Charty with Rails RailsConf 2019 LT Kazuma Furuhashi @284km

2. Hello! •My name is Kazuma •I’m from Japan

3. I’m from Asakusa.rb

4. None

5. Nice to meet you • Kazuma Furuhashi • GitHub: @284km

   • Asakusa.rb • Programmer • ruby/csv • red-data-tools/charty

6. Nice to meet you • Kazuma Furuhashi • GitHub: @284km

   • Asakusa.rb • Programmer • ruby/csv • red-data-tools/charty Write Code

7. Nice to meet you • ruby/csv • I made it

   1.5x - 3x faster • red-data-tools/charty • I will introduce! Write Code

8. I will not talk about csv today. ( Details here

   ) https://slide.rabbit-shocker.org/ authors/kou/rubykaigi-2019/

9. red-data-tools/ Charty

10. Charty is … open-source Ruby library for visualization.

11. Charty is convinient

12. For example, there is data as below…

13. That's all codes we need to write !

14. Visualize as below …

15. Visualize as below …

16. Visualize as below

17. Visualize as below

18. About Charty

19. Charty has two abstraction layers • Data Abstraction Layer •

    Plotting Abstraction Layer

20. Abstraction Layer We can do what you want in a

    combination of different languages, data structures, and libraries.

21. Data Abstraction Layer • Daru::DataFrame • Numo::NArray • NMatrix •

    ActiveRecord

22. Plotting Abstraction Layer • Matplotlib • Gruff • rubyplot •

    chart.js (Experimental implementation) • 284km/benchmark_driver-output-charty

23. Charty with Rails application

24. Charty with Rails application

25. 284km/benchmark_driver-output-charty $ be benchmark-driver examples/parse.yaml -o charty

26. Future Plans • Data Abstraction Layer • Support Red::Arrow •

    Improve benchmark_driver-output-charty • Plotting Abstraction Layer • Add type of graph that can be output • Support bokeh ? maybe. • More convenient

27. Write code, Have fun! • Charty is an open-source Ruby

    library for visualizing your data in a simple way. • https://github.com/red-data-tools/charty