The left-most items are most prevalent, so if your pareto chart shows instances of failure modes, you start fixing the left-most failure modes first. A pareto chart may include a line chart series showing the cumulative occurrence of the items. Then I got to thinking, if I put my data into a table, and use a pivot table to sort both the main category and sub category by number of defects, I would essentially have a pareto chart.Ī pareto chart is a column or bar chart that lists items in decreasing order of their occurrence. I commented that it almost was a pareto chart, since at least within each category the data is sorted from high to low. A reader commented on the previous post, Chart with a Dual Category Axis, asking whether I’d use a pareto chart for this data.
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