Data considerations for Wafer Plot

The data must include at least three columns of numeric data
The columns must have the same number of rows. You cannot include any columns with text or date/time data.
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.