Questions tagged [significance]
231 questions
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Significance bars on coupled box plots
I have trying to put significance bars on my group boxplots but I cannot find a way. What I have for the moment is the following:
A <-…
Lucas
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What is the critical value for those df not listed in Critical value table for Pearson correlation?
What is the critical value for pearson correlation df=190? The total number of samples is 192, so df is N-2 = 190. The tables have critical values for df 100, 150, 300, 500, 1000. If the df (N-2) falls in between (e.g. 145, 395, etc., which critical…
Karnan
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Predictor coefficient and statistical significance across panel data waves
I am trying to figure out the command for calculating and visualizing the coefficient and statistical significance of a single predictor across each wave of a panel data regression
Here is my code and sample…
YouLocalRUser
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Add significance level to ggplot boxplots with different df in R
I am looking for a way to add significance levels into my plots. My df is quite big, so I'll try to explain with an easier example:
data=all_data df1= data[data$column1 == 1,] df2 = data[data$column2 == 1,]
other relevant columns:
color ->…
nestine98
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Adding letters of significance in ggplot for emmeans post hoc
In R, I'm doing a post-hoc analysis on my data, specifically with emmeans with a negative binomial model. Specifically I'd like to know the significance between the different treatment groups I have (treatment) on any given week (warr).
My model is…
Molly
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Calculating AICc from glmnet Lasso Regression models in R?
I'm new to this site and also completely inept at statistics and R currently.
I'm working on a project where I'm trying to determine significant predictors of growth in a multivariate model. It's been suggested to me to use Lasso Regression due to…
BurkeL23
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How to test the significance of accuracy value of the classification results for dimension reduction with PCA
How to know the significance of the accuracy value of the classification results before dimension reduction and after dimension reduction
determine the significance of the accuracy value before and after dimension reduction
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Find p-value through bootstrapping method in periodogram
I have trouble running a bootstrapping method to estimate p-value in a periodogram of my timeseries (myts) from spec.pgram():
# Defining a function for computing the periodogram of a time series
periodogram_fun <- function(x, ind) {
…
Jefferson Santos
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Barplot with significant differences and interactions in python?
I started to use python 6 months ago and may be my question is a naive one. I would like to visualize my data and ANOVA statistics. It is common to do this using a barplot with added lines indicating significant differences and interactions. How do…
jyk95
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How to add stars for significance level with odds ratio for polr?
My question is at the very bottom of this post.
Here is an example of codes that is very similar to the method I use:
url <- "http://peopleanalytics-regression-book.org/data/soccer.csv"
soccer <- read.csv(url)
head(soccer)
## discipline…
rr19
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Methods to check significance of data that has a power law distribution
Does anyone know a library in python that would allow to test signifincance of data that follows a power law distribution?
I tried using one-way ANOVA test, but then found that it is used for normally distributed data.
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Comparison between 2 individual samples at different timepoint
Apart from the comparison between both group within each timepoint, I'd also like to compare and determine the significant (preferably displayed in asterisk) just particularly between "High light+Chilled" at 0hr and "High light+Chilled" at 24hrs.…
wychin
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Geting asterisks for multiple significant tests in ggplot2 lineplot in R
I've seen some related questions, but I didn't see one for multiple comparisons in a lineplot. I'd like to plot the significance of paired t-tests in the lineplot below. How could I do that?
From t-tests, I know that:
G2 Cat_A > G1 Cat_A SIG
G2…
Larissa Cury
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Add statistically significance to several bars in barplot (matplotlib)
I have all my data analysed in python and now want to add statistical significance to my bars. I know how to do it between two bars, but I want to compare several bars with my control. Like in the picture here.
Can someone please help me?
SunnyD
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R geom_signif cannot plot the significance bar for no apparent reason, seems related to x scale setting
I wish to use geom_signif to plot the significance bars for my data which contains three treatment level, the test_df is…
Jujube
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