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Graphical management tools

Violin plots for services & kanban

16 March 2018 by Robert Falkowitz 1 Comment

Concept of a violin plot

I have frequently remarked that “traditional” analysis of service events and the plotting of data is highly misleading. This is due to a distribution of data that is neither symmetric nor normal. A useful data plotting tool for asymmetric, non normal data distributions is the violin plot. This article joins my series of articles concerning […]

Filed Under: Graphical management tools, Kanban, Service Management Tagged With: asymmetric distribution, box plot, histogram, interquartile range, lead time, median, normal distribution, probability density, reliability, tools, violin plot

Using Sankey diagrams for kanban

31 January 2017 by Robert Falkowitz 3 Comments

Sankey diagram

A Sankey diagram is used to provide a visual analysis of flows. While it might be most commonly used to display the flow of materials through a distribution system, such as petroleum and its derived products, Sankey diagrams are well adapted to provide visual analysis of the flow of any type of work. Thus, they […]

Filed Under: Graphical management tools, Kanban Tagged With: flow, kanban, Sankey diagram, visual management

How can a Marey chart help analyze the flow of work?

19 January 2017 by Robert Falkowitz 4 Comments

Marey Chart

The type of diagram called a Marey chart might be more than a century old, but it can be a useful new addition to the arsenal of tools at the disposal of lean and kanban practitioners. What is a Marey chart? A Marey chart is commonly used to analyze transportation systems. It displays the times […]

Filed Under: Graphical management tools, Kanban Tagged With: cause analysis, cumulative flow diagram, kanban, lead time histogram, marey chart, problem solving, value stream map

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