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Latest Discussions

• Exporting Model Formulae to Excel

  Hi,I'm sure this has been asked previously and I'm just missing something in my search, but is there an easy way (other than copy and paste) to take the prediction formula from a regression model in JMP to apply directly to an Excel table?  Thanks in advance 

  SLittle

  Discussions |

  Nov 17, 2020 8:39 AM

  2136 views | 1 replies

• PLS platform is refitting without validation + how to use the bootstrap?

  Hi,1) I'm doing a PLS, I have 42 observations. The number of possible predictors ranges from 24 to 79 to 240 depending on how much I preselect variables. My Y is categorical, either 2 or 3. After running the platform launch, I get to the NIPALS/SIMPLS part, and no matter what type of validation I use (Kfold, leave on,e holdout) or how many factors I choose - I always get the error - "best model ha...

  utkcito

  Discussions |

  Nov 3, 2020 6:06 AM

  2206 views | 3 replies

• Sidak correction for t test

  Dear fellows of the community, I would like to ask you if anyone knows of a way to produce multiple t tests corrected by the Sidak correction? https://en.wikipedia.org/wiki/%C5%A0id%C3%A1k_correction_for_t-test In particular, I would like to use it in a context of multiple regression for comparison between categories. For example, using the big class data table and running the following model: hei...

  ron_horne

  Discussions |

  Oct 26, 2020 2:11 PM

  2865 views | 2 replies

• Interpretation of leverage plot axes

  Hello,
  I am trying to understand how to interpret the leverage plot axes-- specifically why negative x and y values are plotted when my data have none of these. I understand, I supposed, that negative y values could be the result of model uncertainty, but why the x values? For sake of discussion, if it matters, I am running a multiple regression of rainfall amount (cm), development level of watersh...

  atwee

  Discussions |

  Sep 22, 2020 12:11 PM

  2871 views | 3 replies

• Partition Modelling: What dictates Minimum Size Split?

  I am not a de facto statistician but have gained much experience in biostatistics over many years, thanks largely to using the standard version of JMP (currently v13). I certainly cannot imagine using anything else and regularly promote it.I am presently progressively defining partitions in a variety of continuous variables to optimise outcome in a binomial categorical variable (fail versus pass)....

  34South

  Discussions |

  Aug 30, 2020 2:02 PM

  4643 views | 4 replies