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Latest Discussions

• Help with DOE analysis - Mixing Study

  Hello all, I am fairly new to DOE and would appreciate some assistance with the analysis of my data, especially with the correct approach and order to the analysis. I have created a simple mixing design. On the face of it, this is a very simple experiment, which involves mixing three different components to create a composite, conducting some experiments and measuring several outputs. The design i...

  Matthew_Sharp

  Discussions |

  Nov 13, 2021 3:39 AM

  1694 views | 3 replies

• Preselected Roles in Graph Builder?

  It appears that if you preselect a role (e.g. weight or frequency) for a column that Tabulate or Table Summary use that role in the analysis, but Graph Builder does not.  Can someone confirm that Graph Builder does not recognize pre-selected roles?  And, if that is correct, should we consider that a glitch or is there a good reason for that?  On a somewhat separate issue, I still find the choice o...

  dale_lehman

  Discussions |

  Nov 12, 2021 12:29 PM

  3167 views | 6 replies

• How to compare 4 treatments with unequal number of samples

  Hi,I have 4 treatment groups, each with different n (sample number). The experimental design is completely randomized design. What is the best way to analyze the data to make sure unequal variances are taken into consideration.

  Nima

  Discussions |

  Nov 12, 2021 9:52 AM

  1524 views | 2 replies

• Analysis of CCD results

  Hi everyone,I did screening desing and steepest ascent which showed me a saddle point. Then, I conducted experiment (ordinary central composite design) on this area to capture the curvature. But I don't know how to analyse the results, my model isn't significant with quadratic terms and the lack of fit is significant (the model only become significant when I raise my model to the power of 4).Could...

  AaronMB11

  Discussions |

  Nov 9, 2021 10:28 AM

  6040 views | 11 replies

• What is the correct k-fold operation in a decision tree module?

  If the k-fold operation of decision tree module is carried out manually,
  Is k-fold selected after segmentation?Or is k-fold selected and then segmented?
  What exactly does k-fold mean? Thanks !

  lala

  Discussions |

  Nov 5, 2021 9:48 AM

  1645 views | 2 replies