Tagged Questions

2
votes
0answers
50 views

How does predictive model for the Eurovision Song Contest work?

I've encountered interesting prediction of Eurovision Song Contest http://mewo2.com/nerdery/2013/05/12/eurovision-2013-first-predictions/ it based on some kind of Bayesian model I assume but I don't ...
3
votes
1answer
132 views

Conjugate prior for a binomial-like distribution

Every week, my $m-1$ friends and I enter a pub quiz which has $n$ points available. In any given week only some of us are there. Record the presence/absence of member $i$ in week $t$ in the matrix ...
2
votes
0answers
48 views

Analysing choices pattern

we have a process in which, at each step, a set of elements are presented to user, the user choses one, his choice is recorded and next round starts with a new set of elements. For example: 1. ...
1
vote
2answers
214 views

How to perform cross validation of a model predicting categorical variable in SAS?

I have a prediction outcome that is dichotomous while all other predictor variables are binary and categorical. How can I perform cross validation in SAS and see the ROC curve? I need to create ...
0
votes
2answers
295 views

Bayesian approach to modelling the prediction interval from a parametric model

I think I have already answered my question, but am not completely sure and would like some input. Please feel free to correct my terminology or misconceptions, I learned stats by osmosis rather than ...
5
votes
1answer
109 views

Predicting a semi-deterministic process

Say I have a process that gives me 3 outputs: $O^1$, $O^2$ and $O^3$. The outputs are generated from a semi-deterministic process, i.e. there is a deterministic component in the outputs, along with a ...
4
votes
1answer
954 views

Generative vs discriminant models

What are the differences between generative and discriminant models (in the context of Bayesian learning and inference)? and what it is concerned with prediction, decision theory or unsupervised ...