Data types

Understanding Data Science

Sara Billen

Curriculum manager

Why care about data types?

  • Important later on when:
    • Storing the data
    • Visualizing/analyzing the data
Understanding Data Science

Quantitative vs qualitative data

Quantitative data

  • Deals with numbers
  • Data can be measured

measurement

Qualitative data

  • Deals with descriptions
  • Data can be observed but not measured

senses

Understanding Data Science

Quantitative data

fridge

 

  • Is 60 inches tall
  • Has 2 apples in it
  • Costs $1000
Understanding Data Science

Qualitative data

fridge

 

  • Is red
  • Was built in Italy
  • Smells like fish
Understanding Data Science

Other data types

  • Image data
  • Text data
  • Geospatial data
  • Network data
  • ...
Understanding Data Science

Other data types: Image data

Example of pixels after zooming in

Understanding Data Science

Other data types: Text data

Example of review data

Understanding Data Science

Other data types: Geospatial data

example of geospatial data

Understanding Data Science

Other data types: Network data

example of a social network

Understanding Data Science

Recap

  • Quantitative data
  • Qualitative data
  • Image data
  • Text data
  • Geospatial data
  • Network data
Understanding Data Science

Let's practice!

Understanding Data Science

Preparing Video For Download...