# Tag Info

• 533

### An inherent inconsistency in interpreting the indirect effect in a mediation analysis?

There seems to be a confusion that you can move variables only one at a time. You have to look at the whole pictures, not just part of it. There seems to also be a confusion on regression coefficients ...
• 414
1 vote

### Out-of-sample predictive checks for Bayesian TVP models

You can find the answer in the Garratt et al.(2009)[1], section 4.3. The author explained why we use a ex-post out-of-sample prediction (which is your first procedure) instead of a real time out-of-...
• 11

### Discrimination/Slope Item Response Theory Models

Intuitions are useful, but it is worth understanding the math behind the model. We model the probability of answering correctly to $i$-th question by a person with the ability $\theta$, $p_i({\theta})$...
• 115k