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Latest Discussions

• Changing Design Roll after making Custom DOE table

  Is it allowed to change Design Roll in column property from Discrete Numerical to Continuous in Custom DOE table? If I make Custom DOE with Discrete Numerical factor, no wonder I can select only discrete value when analyzing response. However continuous value becomes available when I change Design Roll into Continuous. Prediction expression of the model does not change and response is consistent. ...

  RF

  Discussions |

  Apr 21, 2022 8:12 PM

  2049 views | 4 replies

• Harmonization of X structure

  Dear all, I have a set data covering temperature dependent measurements  with the temperature as my designated X-value and the measurement output as Y.The heating rate differed slightly, therefore the X-data is slightly different for every measurement e.g. Measurement 1: T1=20.00 °C, T2= 20.12 °C, T3= 20.25 °CMeasurement 2: T2=19.98 °C, T3= 20.11 °C, T3= 20.26 °C,.. For further evaluation (chemome...

  NominalLogNewt5

  Discussions |

  Apr 19, 2022 12:19 PM

  1435 views | 2 replies

• Simplifying steps in DoE

   I am doing road-map of using DoE here in our department. Here are my thoughts. Please correct me if I am wrong.  Step 1. Identify if the factors are continuous and 2-level categorical. Then use DSD because identifies main effects and second order effects. Quadratic effects are orthogonal to main effects and not completely confounded with two-factor interactions. A quadratic effect might be correl...

  Alainmd02

  Discussions |

  Apr 19, 2022 5:24 AM

  3632 views | 7 replies

• What technique do I use to justify eliminating measurements at a specific timepoint in a series?

  I have measurements of an attribute at initial, 2hr, 4hr, 6hr. I want to drop the 4hr measurements because it does not add much value to the business application.  The measurements exhibit a negative slope from initial to final... What technique or rationale might I use to justify eliminating the 4hr measurement? [I was thinking along the lines of Information Gain, but I admit I don't know much ab...

  TCM

  Discussions |

  Apr 19, 2022 4:44 AM

  1620 views | 3 replies

• Beginner Question

  Hi community,    this is my first post ever in a forum and also the first time I'm using DoE for experiments. I have watched the DoE Video from JMP and have a question or rather look for confirmation:    I have an experiment with two continuous factors (e.g. range of pHs) and one categorical factor (e.g. type of acid). I want to use RSM but apparently, it won't work when a categorical factor is in...

  Artaxerxes90

  Discussions |

  Apr 18, 2022 7:16 AM

  9074 views | 18 replies