In hypothesis testing, the $p$-value refers to the probability of seeing a result as extreme (or more so) than the one observed, given that the null hypothesis is true. When the $p$-value is small, then there is good evidence that the null hypothesis is false, since it would make the observed data ...
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How to find P-value of Mutual Information Correlation (MIC) in R?
With reference to the article.
I have a query regarding p-value calculation.
For example, I have MIC strength value 0.1643 with sample size 30 and the rest parameters are default. As authors given ...
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54 views
Hypothesis Testing
A Lab has been asked to evaluate the claim that drinking water in a
local restaurant has a lead concentration of 6 parts per billion
(ppb). Repeated measurements follow a normal distribution ...
4
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2answers
63 views
R p-value half to SPSS rANOVA
I have done rANOVA in SPSS and then in R and got two different p-values from the same model. While SPSS gives 0.032, R gives 0.0162, which when rounded is a half. Other data are exactly the same.
1. ...
3
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1answer
67 views
P value and confidence interval for two sample test of proportions disagree
I'm using R to calculate the two-sample test for equality of proportions, where the two proportions are 350/400 and 25/25. So:
...
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1answer
35 views
p-value of an Average Correlation Coeficient
I have several Pearson correlation coefficients with their corresponding p-value. But I need an Average Correlation Coefficient. To calculate it, I've used the Fischer z transformation mentioned here ...
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3answers
714 views
Regarding p-values, why 1% and 5%? Why not 6% or 10%?
Regarding p-values, I am wondering why 1% and 5% seem to be the gold standard for "statistical significance". Why not other values, like 6% or 10%?
Is there a fundamental mathematical reason for ...
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1answer
34 views
How to perform randomization test for categorical data and/or chi-square?
I am very newbie in statistics and I my problem is as follows:
I have a total set of 20,000 categorical observations (this is my whole dataset, say DATA1) which has a certain proportion of "yes" and ...
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1answer
72 views
Understanding the p-value in Spearman's rank correlation
I have some pairs of datasets (n=200 or thereabouts), of samples which are non-negative and not normally distributed. I think these pairs of variables are related, ...
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42 views
Taking average of linear regression results
Say I have a very large sample of observations, like a thousand of them, and I want to do (multiple) linear regression on them, i.e., regressing the response variable on the predictors. Now instead of ...
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32 views
computing a p-value for bootstrapped-mean difference [duplicate]
I have read a number of times about computing p-values in bootstrapping.
Unfortunately, I could not use none of them.
Maybe you can help me, please?
I obtained 10000 bootstrap resamples of the ...
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1answer
111 views
How to derive p-value from standard error between two group means?
Data was collected on binary variable and continuous variable. The binary variable represents two groups.
Group 1 has a sample size $n_1$ and mean $\mu_1$ on the continuous variable
Group 2 has a ...
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46 views
Which value is the p-value?
It's a right-tailed Population Proportion test. The critical value is 1.645 and the calculated test statistic is -1.14. The area from minus infinity to -1.14 is 0.1271.
The question is, since it's a ...
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20 views
Can significant relationship be used with significant difference at same time?
Usually I read about either testing for significant relationship or significant difference but can they used both to prove something? For example, assume a shop wants to compare its profits per month ...
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11 views
Mixfdr penalization parameter
I'm trying to use mixfdr in a simulation of p-values but sometimes the search for the penalization parameter spits out an error and shows some matrix entries to be infinite:
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23 views
How to prove that the east teams are higher in the ranking that west or vise vera?
If we want to compare the rankings of teams that are from east or west, how can we show that east or west have higher rankings than other?
Example
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