All Questions
4
questions
1
vote
0
answers
23
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Metric for run-to-run consistency of time series data
If I run $n$ samples of a physical experiment, I expect to see roughly similar time vs. position plots but with slight variations run-to-run. What are good statistical metrics to quantify the ...
- 11
0
votes
0
answers
34
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Why are published stats generally given as +/- standard deviation?
I've been wondering why most publications give stats as mean +/- standard deviation, even for things like measurement devices, where reproducibility is a major concern. (E.g., for a given sample, our ...
2
votes
1
answer
2k
views
What is the impact of duplicate data on the variance of regression coefficient? [duplicate]
What is the impact of duplicate data on the variance of the regression coefficient?.
Does increasing the size of data always certainly decrease the variance of the model coefficients?
Suppose I have ...
- 223
6
votes
3
answers
5k
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95% confidence interval for a given data set
I have a data set $\mathcal{S}$, which is univariate. I would like to discover the data points which can be thought of as outliers of $\mathcal{S}$. I use $\bar{\mathcal{S}}+2*\sigma(\mathcal{S})$ ...
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