Data considerations for Main Effects Plot

For the graph to represent your data most effectively, consider the following guidelines.

The data should include one or two categorical factors
For more information on factors, go to Factors and factor levels.
The response variable should be continuous
The response column must contain numbers.
Collect data using best practices
To ensure that your results are valid, consider the following guidelines:
  • Make certain that the data represent the population of interest.
  • Collect enough data to provide the necessary precision.
  • Measure variables as accurately and precisely as possible.
  • Record the data in the order it is collected.