# \#markov

**URL:** https://discourse.datamethods.org/tag/markov/165.md

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## [First-order Markov model suitability for different time points](https://discourse.datamethods.org/t/first-order-markov-model-suitability-for-different-time-points/18077)

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**Author:** [@arthur\_albuquerque](https://discourse.datamethods.org/u/arthur_albuquerque)\
**Replies:** 1\
**Last updated:** [August 2, 2024, 1:13pm UTC](https://discourse.datamethods.org/t/first-order-markov-model-suitability-for-different-time-points/18077 "2024-08-02T13:13:00Z")

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I’m working with a longitudinal dataset of patients divided into two cohorts: Cohort 1: Tested at 21 days (baseline), 28, 35, and 42 days. Cohort 2: Tested at 35 days (baseline), 42, 49, and 56 days. Is this suita…

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## [Special vs. Markov models for analyzing within-patient variability](https://discourse.datamethods.org/t/special-vs-markov-models-for-analyzing-within-patient-variability/4546)

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**Author:** [@f2harrell](https://discourse.datamethods.org/u/f2harrell)\
**Replies:** 5\
**Last updated:** [July 11, 2021, 11:11am UTC](https://discourse.datamethods.org/t/special-vs-markov-models-for-analyzing-within-patient-variability/4546 "2021-07-11T11:11:43Z")

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This excellent paper by German et al. presents a computationally and statistically efficient way to jointly analyze the mean and the variance as a function of covariates. Their method is named WiSER for within-subject v…