Charty with Rails

Charty with Rails - RailsConf2019

Transcript

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

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

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3. I’m from
   Asakusa.rb
   

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5. Nice to meet you
   • Kazuma Furuhashi
   • GitHub: @284km
   • Asakusa.rb
   • Programmer
   • ruby/csv
   • red-data-tools/charty
   

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6. Nice to meet you
   • Kazuma Furuhashi
   • GitHub: @284km
   • Asakusa.rb
   • Programmer
   • ruby/csv
   • red-data-tools/charty
   Write
   Code
   

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7. Nice to meet you
   • ruby/csv
   • I made it 1.5x - 3x faster
   • red-data-tools/charty
   • I will introduce! Write
   Code
   

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8. I will not talk about csv today.
   ( Details here )
   https://slide.rabbit-shocker.org/
   authors/kou/rubykaigi-2019/
   

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9. red-data-tools/
   Charty
   

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

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11. Charty is convinient
    

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12. For example, there is data as below…
    

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

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14. Visualize as below …
    

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15. Visualize as below …
    

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16. Visualize as below
    

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17. Visualize as below
    

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18. About Charty
    

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

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20. Abstraction Layer
    We can do what you want in a
    combination of different
    languages, data structures, and
    libraries.
    

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

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22. Plotting Abstraction Layer
    • Matplotlib
    • Gruff
    • rubyplot
    • chart.js (Experimental implementation)
    • 284km/benchmark_driver-output-charty
    

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23. Charty with Rails application
    

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24. Charty with Rails application
    

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

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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
    

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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
    

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