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The Paynter Chart

Abstract: The Paynter Chart is a tool that goes beyond a Pareto. A Pareto focuses on problems that offer the greatest potential for improvement by showing their relative frequency or size. A Paynter Chart goes beyond the Pareto by sub-grouping the Pareto bars. The subgroups could be days, hours, etc.

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The Paynter Chart is based on the Pareto principle, which focuses on the areas of priority and quickly puts them in a simple graphical form by subgroups. It helps your team focus their efforts where they can have greatest impact. It allows you to determine the composition of each bar for troubleshooting or spotting trends.

Figure 1 below illustrates a Pareto Chart, while Figures 2 and 3 show examples of the Paynter Chart.

Figure 1. Pareto Chart

Figure 2. Paynter Chart

This Paynter was run by restricting the number of groups to 5 and the number of subgroups to 4. In this case it took the last 4 subgroups to plot.

Notice, also that the number at the top of the group is the total defects for that group, but is not the sum of the subgroups shown.

Figure 3. Paynter Chart

This chart illustrates 5 defect codes with 4 subgroups where the subgroups plotted are those with the largest number of defects for the defect codes plotted.

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