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Results tagged with statistical-significance
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user 9619
Statistical significance is a characteristic of a statistic viewed in light of a null hypothesis and a given significance level. It reflects whether the statistic belongs to the rejection region (is statistically significant) or the acceptance region (is not statistically significant).
1
vote
Accepted
Estimate probability that random variable is smaller than given value
The probability $P\left(X>t\right)$ you are estimating is the complement of the cumulative distribution function $F(x)=P\left(X\leq t\right)$. which could be nonparametrically estimated by the empiric …
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1
vote
Accepted
Significance and power for binomial A/B test
There are nice analytical formulas just for your case in Chow, Sample Size Calculations in Clinical Research (2nd ed., 2008), 4.2.2:
$$\begin{align*}
H_0&\colon \mu_y-\mu_x\leq 0, \\
H_1&\colon \mu_y …
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2
votes
Accepted
Can I determine the statistical significance of conditional probabilities?
You should also know the size of each group to estimate the error of the estimates of your conditional probabilities. If in the A-YES-symbolic group only 1 of 3 people succeeded, the estimate 0.33 of …
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1
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p-value adjustment for correlation matrix
You can find the algorithm for multiple testing on correlation matrices that accounts for heavy dependence in Cai, T. T., & Liu, W. (2016). Large-Scale Multiple Testing of Correlations. Journal of the …
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