Tutorial learning objectives - Week 2

By the end of this tutorial, you should be able to:

• Import time series data into R

  • Successfully read time series data from CSV and Excel files.
  • Set and verify your working directory using getwd() and setwd() to avoid file path errors.
  • Recognize the importance of proper file import for all future assignments.

• Convert data frames to tsibbles

  • Use as_tsibble() to convert a data frame into a time series tibble (tsibble).
  • Understand key components of a tsibble:
    • the time index and its granularity,
    • the key variable(s)

• Visualize time series data

  • Create line plots using geom_line() from ggplot2.
  • Use the autoplot() function for quick and easy time series visualization.