# All Questions

134,595 questions
10 views

26 views

### differences between conditional probability and dependency

Sometimes, I read articles about conditional probabilities and other articles about conditional dependency. My question what is the main differences between them? For example, "https://en.wikipedia....
17 views

### Question regarding posterior and prior distribution relation

I am currently reading the book Machine Learning and Pattern regocnition by Bishop. They state in (1) or (1.66) in the book (relating how to derive regularized SSE with posterior and prior ...
12 views

### Quantile regression line formulation

I want to apply a quantile regression model to my data, and of course would like to understand at least in principle what quantile regression does to my data. Now I understand the basic concept and I ...
17 views

### Consequences of unbalanced subgroups of categorical variables in logistic regression?

I have a dataset of around 120000 (120K) unique individuals. I am fitting a binary logistic regression, where I have around 150 variables to choose from. For the categorical variables, some are very ...
27 views

### Lag regression independent variables in dynamic panel: which Explanation of the signs? [Resolved]

In the famous paper " Richard Blundell & Stephen Bond (2000): GMM Estimation with persistent panel data: an application to production functions, Econometric Reviews, 19:3, 321-34" the authors ...
66 views

### Gaussian Mixture: is this plot right?

I'm studying about Gaussian Mixtures and I decided to play around with it in Python, but I'm not entirely sure if I understand it fully. I generated some data, and then calculated the Gaussian ...
31 views

### Which random effects to include in a mixed effects model?

I am analyzing data from a perceptual decision making experiment (10 participants, 1800 trials each). Participants made perceptual decisions (3 possible responses) and then rated their confidence on a ...
29 views

### Predictability of a time series

Say we are given a time series $(x_t)_{t \in P}$ where $P$ is the index set of past observations (train set). Imagine that we have built a model for our data and now want to assess predictability of ...
23 views