Heatmap for Perform Attribute Agreement Study

Use Heatmap to visualize the results of an Attribute Agreement Analysis. Heatmaps plot statistics like the mean of numeric attributes or like the counts of text attributes. For example, you can compare the mean ratings from two appraisers for the same sample.

This example applies to the Measurement System Analysis Module. For more information, go to www.minitab.com/measurement-system-analysis-module.

Example

In this worksheet, Rating is the graph variable, print quality of cotton fabric on a 1 to 5 point scale. Appraiser and Standard are the row variables. Pattern and Color are the column variables.

C1-T C2 C3 C4 C5-T C6-T
Appraiser Rating Sample Standard Pattern Color
A 5 1 5 Floral Yellow
A 5 1 5 Floral Yellow
A 3 2 3 Floral Blue
A 3 2 3 Floral Blue
A 1 3 1 Chevron Grey

How-to

  1. Choose Solutions Modules > Capabilities > Measurement System Analysis, then select Launch.
  2. Under Attribute/Inspection Study, select Select an Attribute/Inspection Study.
  3. Select Perform attribute agreement study, then click OK.
  4. Select Heatmap, then click OK.
  5. From Display, select Function of a variable.
  6. In Graph variables enter the column that contains the rating data.
  7. From Function, select the function of the rating. For example, if you select Percent equal to specified values, the color gradient of the rectangles in the heatmap uses the percentage of the values that you specify in each rectangle.
  8. In Row variables enter up to five columns that define the rows.
  9. In Column variables enter up to five columns that define the columns.
  10. Click OK.
Tip

For more information about this analysis, click Help in the main dialog box.