# All Questions

0answers
3 views

### Terminology and handling of log-normal mixture distributions

The definition of a log-normal distribution of a random variable is based on normality of its logarithm. I'm curious whether there exist a specific term for cases, where log-transformed data does not ...
0answers
3 views

### why is the numerator of the correlation coefficet the SD of X multplied by SD of Y?

I dont quite understand what is going on in the correlation coefficient fromula. In the numerator we have teh covariance, and in the numertor we have the standard deviation of variable x multiplied by ...
0answers
7 views

### Inferring prior distribution

Suppose that we take a sample ($X_1, X_2, ... X_n$) from a distribution where we assume that $X_i$~$Bin(n_i, p_i)$ and $n_i$ is known for every $i$. We also assume that $p_i$'s are independent and ...
0answers
5 views

### Basic conditional sampling question

Let's say that I have a method of sampling from $P(X, \theta \mid Y)$. It seems intuitive that if I drew samples of $(X, \theta)$ and then simply dropped the $\theta$s, this is equivalent to drawing ...
0answers
4 views

0answers
12 views

### Most efficient vector construction for Dynamic Time Warping

I'm in the process of folding FastDTW into my SVM and the question now is how to best format my data (irrespective of normalization). Here's an example of what I'm attempting to do - given two 3d ...

15 30 50 per page