Data visualization in Data Science

Andrey Lukyanenko

CV R&D Lead, MTS AI

Content

• What is data visualization and why is it useful?
• Classics of data visualization
• Common software for making the plots
• Chart types
• Skills for professional-level visualizations
• What should and shouldn't you do
• Data Visualization for Machine Learning

Why visualizations are important

Why visualizations are important

Source

Tufte

• Maximize data ink-ratio
• Minimize lie factor
• Minimize chartjunk
• Use proper scales and clear labeling

Python. Matplotlib

Python. Plotly

Python. Altair

R

Tableau

D3.js

Skills

• Data visualization
• Graphical design, interface design, UX
• Storytelling
• Color: Hue, Value/Lightness, Saturation/Chroma, RGB vs CMYK
• Accessibility
• Style guide

Style guide

Improvements

Improvements

Improvements

Improvements

Improvements

Improvements

Improvements

Improvements

• Exploratory vs explanatory, показать то, что важно
• Pie, 3D

Good examples

References

• https://www.anychart.com/chartopedia/usage-type/
• https://gramener.github.io/visual-vocabulary-vega/#
• https://www.python-graph-gallery.com/
• https://raw.githubusercontent.com/Financial-Times/chart-doctor/main/visual-vocabulary/poster.png
• https://textvis.lnu.se/
• https://www.data-to-viz.com/
• https://www.datavisualizationsociety.org/

References

• https://towardsdatascience.com/data-visualization-in-data-science-5681cbdde5bf

• https://github.com/Financial-Times/chart-doctor/tree/main/visual-vocabulary

• https://revealthedata.com/blog/all/navyki-dlya-vizualizacii-dannyh-i-dataviz-inzhenerov/

• https://habr.com/ru/company/true_engineering/blog/422093/

• https://docs.google.com/document/d/1SUZ_DXt_WXPlv1IfqlrwTa00S7b3ghJ_2o_W4yE6_UA/edit#

• https://blog.datawrapper.de/better-charts/

   

References

• https://www.kaggle.com/spitfire2nd/enthusiast-to-data-professional-what-changes/

• https://medium.com/nightingale/style-guidelines-92ebe166addc

• https://blog.datawrapper.de/colorguide

• https://www.tableau.com/learn/articles/best-data-visualization-blogs

• https://eng.uber.com/keplergl/

• https://boostlabs.com/blog/10-types-of-data-visualization-tools/

• https://github.com/lutzroeder/netron

   

   

References

• https://public.tableau.com/app/discover/viz-of-the-day

• https://thinkinsights.net/digital/data-visualization-history/

• https://www.youtube.com/watch?v=l7_h5OJGEZo&ab_channel=StevenSkiena

• https://github.com/udacity/deep-learning-v2-pytorch/blob/master/word2vec-embeddings/Negative_Sampling_Solution.ipynb

• https://www.autodesk.com/research/publications/same-stats-different-graphs

• https://towardsdatascience.com/google-news-and-leo-tolstoy-visualizing-word2vec-word-embeddings-with-t-sne-11558d8bd4d

Contacts

• ods.ai @artgor

• https://andlukyane.com/

• https://twitter.com/AndLukyane