4
votes
1answer
68 views
+50

Different non-parametric methods for estimating the probability distribution of data

I have some data and was trying to fit a smooth curve to it. However, I do not want to enforce too many prior beliefs or too strong pre-conceptions (except the ones implied by the rest of my question) ...
7
votes
1answer
178 views
+50

Clarification in information geometry

This question is concerned with the paper Differential Geometry of Curved Exponential Families-Curvatures and Information Loss by Amari. The text goes as follows. Let $S^n=\{p_{\theta}\}$ be an ...
4
votes
1answer
109 views
+50

When to terminate the Bayesian A/B test?

I'm trying to do A/B testing the Bayesian way, as in Probabilistic Programming for Hackers and Bayesian A/B tests. Both articles assume that the decision maker decides which of the variants is better ...
1
vote
0answers
54 views
+50

Which test is better suited to compare averaged versus single data sets

I have a light curve, that is photon count rate versus time, of an astronomical object. These data are periodic, since the source signal is periodic. I can fold the data with the period and obtain an ...
7
votes
0answers
57 views
+150

A stochastically increasing exponential family for which $\lim_{\theta\rightarrow\inf\Theta}\mbox{P}_\theta(X\leq x)\neq 1$

Question A little something that I've been wondering about for a while: Let $P_\theta$ be a stochastically increasing (one-parameter) exponential family on the sample space $\mathcal{X}$ with ...
14
votes
1answer
378 views
+100

Does GSVD implement all linear multivariate techniques?

I came across the article by Hervé Abdi about generalized SVD. The author mentioned: The generalized SVD (GSVD) decomposes a rectangular matrix and takes into account constraints imposed on the ...
0
votes
1answer
19 views
+50

Difference between “common index” and “no common index”

I have been looking at the G*Power tool for Statistical Power Analysis but I am confused by the difference between two of the z-test options. ...
4
votes
0answers
45 views
+100

How to fit this neuron firing model with R?

I originally posted this as an answer elsewhere but in retrospect it seems more like a question: What is the sample-size range for which the median should be preferred to the mean as a measure of ...