Data Analysis Background

This is based on Békés-Kézdi: Data Analysis for Business, Econoomics, and Policy (2021, Cambridge University Press), Chapter 02 Preparing data for analysis

Slideshow is available here: Chapter 02 slides

Variables

Variable types

  • continuous or discrete or qualitative
  • binary
  • flow and stock

Encoding

  • binary
  • numeric
  • string (text)
  • categorical / factor (maybe ordinal)

Meaning of variable values

  • what are they measuring
  • unit of measurement
  • source

Other Information

  • descriptive statistics
  • coverage / share of missing values