Top "P-value" questions

In statistical significance testing the p-value is the probability of obtaining a test statistic at least as extreme as the one that was actually observed.

Put stars on ggplot barplots and boxplots - to indicate the level of significance (p-value)

It's common to put stars on barplots or boxplots to show the level of significance (p-value) of one or between …

r ggplot2 boxplot p-value bar-chart
Stepwise regression using p-values to drop variables with nonsignificant p-values

I want to perform a stepwise linear Regression using p-values as a selection criterion, e.g.: at each step dropping …

r statistics regression p-value
Non-numeric argument to mathematical function

I want to get pvalues from a data set. I have not had any problems to use pnorm, but I …

r cluster-analysis p-value
Calculation p-values of a f-statistic with R

I'm trying to calculate p-values of a f-statistic with R. The formula R uses in the lm() function is equal …

r distribution p-value
Extract pvalue from glm

I'm running many regressions and am only interested in the effect on the coefficient and p-value of one particular variable. …

r glm p-value
Python sklearn - how to calculate p-values

This is probably a simple question but I am trying to calculate the p-values for my features either using classifiers …

python scikit-learn p-value
Calculating adjusted p-values in Python

So, I've been spending some time looking for a way to get adjusted p-values (aka corrected p-values, q-values, FDR) in …

python statistics p-value q-value
ggplot2: add p-values to the plot

I got this plot Using the code below library(dplyr) library(ggplot2) library(ggpmisc) df <- diamonds %>% dplyr::…

r ggplot2 p-value
Extract Regression P Value in R

I am performing multiple regressions on different columns in a query file. I've been tasked with extracting certain results from …

r linear-regression p-value
output p value from a t-test in R

So lets work through the example from ?t.test() We do a two-sample t-test on the data by: t.test(1:10, …

r p-value