Using plm To Analyze Panel Data

Michael Grogan shows us how to use the plm package to perform linear regression against panel data:

Types of data

  • Cross-Sectional: Data collected at one particular point in time
  • Time Series: Data collected across several time periods
  • Panel Data: A mixture of both cross-sectional and time series data, i.e. collected at a particular point in time and across several time periods
  • Fixed Effects: Effects that are independent of random disturbances, e.g. observations independent of time.
  • Random Effects: Effects that include random disturbances.

Let us see how we can use the plm library in R to account for fixed and random effects. There is a video tutorial link at the end of the post.

Read on for an example.

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