Descriptive analytics

Introducción a la alfabetización en datos

Carl Rosseel

Head of Business Intelligence Curriculum, DataCamp

Analytics overview

Schematic overview of the four types of analytics

Introducción a la alfabetización en datos

Why use descriptive analytics?

  • Get to know the data
  • Investigate relationships in the data
  • Preparation for more advanced techniques

Zoom-in of descriptive analytics

Introducción a la alfabetización en datos

Common techniques

  • Descriptive statistics
  • Visualizations
  • Outlier detection

Often combined in exploratory data analysis (EDA)

Example of outlier detection

Introducción a la alfabetización en datos

Exploratory data analysis

  • Focus on exploring the data:
    • Assessing its main characteristics
    • Finding relationships, patterns or groups
    • Suggesting hypotheses for future analysis

 

  • Combines different techniques, with a strong emphasis on visualization
  • Groundwork for further analysis but also valuable on its own

Illustration of person checking data with a magnifier

Introducción a la alfabetización en datos

Case study: ice cream sales

Which ice cream flavor sells the most?

  • Count sales per flavor
  • Calculate most commonly sold flavor per store
  • Calculate commonly sold flavor per month

 

Apply insights to drop unpopular flavors or offer new flavors with similar characteristics as existing popular ones

Picture of ice cream

Introducción a la alfabetización en datos

Let's practice!

Introducción a la alfabetización en datos

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