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Ishikawa diagrams (also called fishbone diagrams, [1] herringbone diagrams, cause-and-effect diagrams) are causal diagrams created by Kaoru Ishikawa that show the potential causes of a specific event. [2] Common uses of the Ishikawa diagram are product design and quality defect prevention to identify potential factors causing an overall effect ...
Pareto chart; Scatter diagram; Stratification (alternatively, flow chart or run chart) The designation arose in postwar Japan, inspired by the seven famous weapons of Benkei. [6] It was possibly introduced by Kaoru Ishikawa who in turn was influenced by a series of lectures W. Edwards Deming had given to Japanese engineers and scientists in ...
Judea Pearl defines a causal model as an ordered triple ,, , where U is a set of exogenous variables whose values are determined by factors outside the model; V is a set of endogenous variables whose values are determined by factors within the model; and E is a set of structural equations that express the value of each endogenous variable as a function of the values of the other variables in U ...
Systems diagrams and Fuzzy Cognitive Maps [3] also fall under this definition. Causal maps have been used since the 1970’s by researchers and practitioners in a range of disciplines from management science [ 4 ] to ecology, [ 5 ] employing a variety of methods.
A chart can represent tabular numeric data, functions or some kinds of quality structure and provides different info. The term "chart" as a graphical representation of data has multiple meanings: A data chart is a type of diagram or graph, that organizes and represents a set of numerical or qualitative data.
Arrow diagram. This tool is used to plan the appropriate sequence or schedule for a set of tasks and related subtasks. It is used when subtasks must occur in parallel. The diagram helps in determining the critical path (longest sequence of tasks). The purpose is to help people sequentially define, organize, and manage a complex set of activities.
Pages in category "Statistical charts and diagrams" The following 122 pages are in this category, out of 122 total. This list may not reflect recent changes. ...
Quality circles were originally described by W. Edwards Deming in the 1950s, Deming praised Toyota as an example of the practice. [11] The idea was later formalized across Japan in 1962 and expanded by others such as Kaoru Ishikawa. The Japanese Union of Scientists and Engineers (JUSE) coordinated the movement in Japan.