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Latest Discussions

• Kaplan-Meier Analysis

  Hi everyone, I would like to conduct a Kaplan-Meier Survivorship analysis with JMP (version 15.2.1). I want the confidence intervals to be calculated with the Greenwood log-log approach. But I am not sure which formula JMP uses and I cannot find anything about that.Does anyone know if the upper and lower 95% values in the JMP survival analysis is calculated with the Greenwood log-log approach? If ...

  ConstructFish94

  Discussions |

  Jan 13, 2022 11:27 PM

  3750 views | 6 replies

• distribution parameters mismatch between Competing Risk Mixture and SubSample in Life Data platform

  Hi All,I use Life Distribution platform from Reliability and Survival to fit distribution to reliability results. To distinguish between failure causes I used 2 Weibull distributions in Competing Risk Mixture of Life Distribution platform (see graphs below and attached file). Portion 1 value (marked with yellow) from the Competing Risk Mixture report species part of reliability results related to ...

  ptolomey

  Discussions |

  Jan 10, 2022 8:16 AM

  3959 views | 3 replies

• Reliability analysis: many points outside confidence band

  Hi I have a dataset that has failures at cycles: 10, 11, 17, 28, 26, 10, 10, 1, 1, 1,1244, 1100. 187678 censored at cycle 30 (test stopped). 162834 censored at cycle 300 and 13313 censored at 3000.When I use JMP's life distribution to analyze this data, I get strange plot with most the censored points outside the confidence band.I have not used JMP for a while and use JMP 15. Is there anything wro...

  MarkovVaribles1

  Discussions |

  Dec 8, 2021 11:42 AM

  1556 views | 2 replies

• Cox proportional hazards model for threshold

  Hi, Can JMP run the following analysis? A Cox proportional hazards model for each threshold (continuous drug concentration data) was fitted to the data, and the threshold that provided the best fit to the data (i.e., lowest Akaike information criterion [AIC]) was selected as the threshold for dichotomization (time to event, PFS). Find the threshold (concentration) that provide the best dichotomiza...

  shylxy

  Discussions |

  Nov 29, 2021 5:22 AM

  1157 views | 1 replies

• Intraclass Correlation

  HiI need to compute the intraclass correlation for 2 readers who measured the same subject once each. I have rows of subjects with a column for each reader. It does not seem possible to do this with the MSA tool, which gives me an error when I try to use it (not enough information to compute standard deviation). SPSS does this with essentially one click (Reliability tool). Am I missing something? ...

  markmhammer

  Discussions |

  Oct 29, 2021 11:33 AM

  4558 views | 6 replies