A posterior predictive check is the comparison between what the fitted model predicts and the actual observed data. The aim is to detect if the model is ...

Posterior predictive checks mean simulating replicated data under the fitted model and then comparing these to the observed data.

Posterior predictive checking involves comparing the observed data to simulated samples (or some summary statistics) generated from the posterior predictive ...

14 февр. 2024 г. · The bayesplot package provides various plotting functions for graphical posterior predictive checking, that is, creating graphical displays comparing observed ...

Posterior predictive checks are a way of measuring whether a model does a good job of capturing relevant aspects of the data, such as means, standard deviations ...

11 сент. 2014 г. · Posterior predictive checks are helpful in assessing if your model gives you valid predictions about the reality - do they fit the observed data or not. How do I perform an actual "posterior predictive check"? What is posterior predictive check, and how I can do that in R? Posterior predictive distribution and posterior predictive checks Posterior Predictive Checks in R using rjags - Cross Validated Другие результаты с сайта stats.stackexchange.com

12 мар. 2024 г. · I now want to perform posterior predictive check. In my understanding, this step helps figure out if the fitting went well (and not if the model ... [Question] Resources/Explanation on How to do posterior ... [Question]Are "posterior" predictive checks also okay in ... - Reddit Другие результаты с сайта www.reddit.com

Posterior predictive checks (PPCs) are a great way to validate a model. The idea is to generate data from the model using parameters from draws from the ...

With posterior predictive sampling, we need to simulate new data values, once for each posterior sample. These samples can then be compared with the actual data ...

A posterior predictive check compares simulated data using a draw of your posterior distribution to the observed data you are modelling.