RunsPerBlock Example

Consider the wine tasting experiment described in Example of a Custom Design in the Custom Designs section. Wine samples are tasted by five raters (Rater) and each rater tastes eight samples.

1. Select Help > Sample Data Library and open Design Experiment/Wine Data.jmp.

2. Click the asterisk next to Rater in the columns panel and select Design Role.

Notice that the Design Role is set to Blocking.

3. Click Cancel.

4. Click the asterisk next to Rater in the columns panel and select RunsPerBlock.

Figure A.34 RunsPerBlock Column Property Panel for Rater 

Notice that the value of RunsPerBlock is 8. The design constructed by the DOE Dialog script has 40 runs. Since there are five raters, JMP constructs a design with 40/5 = 8 runs for each rater.

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