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Benefits of using Transfer function

By Master2020 ·
Transfer function can be used effectively if you understand the process inputs and outputs. Y=F(x) is the mathematical representation of inputs as independent variables and output Y as dependent variable.
In mathematical terms, Six Sigma seeks to define a transfer function, y = f(x1, x2, , xn), between the quality metrics of a product or process (e.g. the life expectancy of a product, or the % on-time delivery for a fulfillment process), and the inputs that define and control the product or process (e.g. tolerance of a physical dimension or the number of resources available to service customers). The focus of Six Sigma
then is two-fold; 1) understand which inputs (xs) have the greatest effect on the output metrics (ys), and
2) control those inputs so that the outputs remain within a specified upper and/or lower specification limit.
hence for any process, first observe the inputs and outputs of a process. you can get this by doing process mapping in first place. value stream mapping is standard term used for process mapping in short.
When you have the inputs and outputs in place, then you can identify which inputs are causing what type of changing what input you will get which type of out put...its not recommended to change the outputs with out first analysing the inputs. focusing more on outputs ignoring the inputs would be useless. the simple rule of thumb is ..if your process outputs match with voc(voice of customer) then you have the better process inputs.

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