Newest Questions
218,408 questions
23
votes
5
answers
48k
views
Assessing the significance of differences in distributions
I have two groups of data. Each with a different distribution of multiple variables. I'm trying to determine if these two groups' distributions are different in a statistically significant way. I ...
- 629
71
votes
19
answers
7k
views
What are some valuable Statistical Analysis open source projects?
What are some valuable Statistical Analysis open source projects available right now?
Edit: as pointed out by Sharpie, valuable could mean helping you get things done faster or more cheaply.
34
votes
7
answers
34k
views
What is normality?
In many different statistical methods there is an "assumption of normality". What is "normality" and how do I know if there is normality?
- 1,141
56
votes
6
answers
6k
views
Eliciting priors from experts
How should I elicit prior distributions from experts when fitting a Bayesian model?
- 13k
15
votes
6
answers
3k
views
Algorithms and methods for attribute/feature selection?
I have data with continuous class and I'm searching for good methods to reduce number of attributes. Now I'm using correlation based filters, random forests and Gram–Schmidt algorithm.
What I want ...
- 513
7
votes
2
answers
4k
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Algorithms to eliminate or display outliers in a dataset
I am trying to visualize a large multi-dimensional dataset. Each dimension has a different range. Values in one column may range between 0-100 while values in another could range from a few hundred ...
Stefan
18
votes
6
answers
12k
views
Correcting for outliers in a running average
We have a daemon that reads in data from some sensors, and among the things it calculates (besides simply just reporting the state) is the average time it takes for the sensors to change from one ...
Edward Z. Yang
100
votes
13
answers
167k
views
What do you call an average that does not include outliers?
What do you call an average that does not include outliers?
For example if you have a set:
{90,89,92,91,5} avg = 73.4
but excluding the outlier (5) we have
<...
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