Automatizace grafů z dat

Introduction to Data Visualization with Matplotlib

Ariel Rokem

Data Scientist

Proč automatizovat?

  • Snadnost a rychlost
  • Flexibilita
  • Robustnost
  • Reprodukovatelnost
Introduction to Data Visualization with Matplotlib

Kolik různých druhů dat?

summer_2016_medals["Sport"]
ID
62            Rowing
65         Taekwondo
73          Handball
             ...
134759      Handball
135132    Volleyball
135205        Boxing
Name: Sport, Length: 976, dtype: object
Introduction to Data Visualization with Matplotlib

Získání jedinečných hodnot sloupce

sports = summer_2016_medals["Sport"].unique()

print(sports)
['Rowing' 'Taekwondo' 'Handball' 'Wrestling' 
'Gymnastics' 'Swimming' 'Basketball' 'Boxing' 
'Volleyball' 'Athletics']
Introduction to Data Visualization with Matplotlib

Sloupcový graf výšek pro všechny sporty

fig, ax = plt.subplots()

for sport in sports:
  sport_df = summer_2016_medals[summer_2016_medals["Sport"] == sport]

ax.bar(sport, sport_df["Height"].mean(), yerr=sport_df["Height"].std())
ax.set_ylabel("Height (cm)") ax.set_xticklabels(sports, rotation=90) plt.show()
Introduction to Data Visualization with Matplotlib

Graf automaticky odvozený z dat

Introduction to Data Visualization with Matplotlib

Procvičte automatizaci vizualizací!

Introduction to Data Visualization with Matplotlib

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