All Questions
Tagged with wilcoxon-signed-rank p-value
12
questions
1
vote
0
answers
134
views
Alternative for Wilcoxon Test?
I'm ending my Master's Thesis, and I'm trying to figure out which test to use to calculate the significance of my data.
Basically, we measured the Free Kick biomechanical parameters of several ...
4
votes
2
answers
3k
views
How to interprete and describe the results of a Wilcoxon Signed Rank test?
I'm trying to learn about rank tests, and having doubts abouut how I should a result from a Wilcoxon Signed Rank test. Suppose, we are given:
Z = -2.201, r = - 0.845, P < 0.05,
then how should I ...
3
votes
1
answer
178
views
Relationship between p-values and effect size
I did a Wilcoxon signed rank test to understand whether there is a difference in average sales in 9 different counties. There are multiple pairs of counties that are significantly different.
Would it ...
0
votes
1
answer
398
views
One-tailed P-value is not half of two-tailed P-value for Wilcoxon signed-rank test always
I will explain by a hypothetical problem. Let's say I have pairs of [weight in morning, weight in night] from 10 people. Everyone weighs themselves multiple (random) times in morning (before noon) ...
-3
votes
1
answer
868
views
What is a good P value for statistical significance when conducting a Wilcoxon Rank Sum test? [duplicate]
Is a P value of 0.4 statistically significant for a Wilcoxon Rank Sum test?
1
vote
1
answer
322
views
Do multiple wilcoxon tests of drug sensitivity between mutated grp and wild-type grp need multiple testing correction?
I am doing wilcoxon-rank-sum tests of the sensitivity (AUC) of over 1000 drugs between mutated gene A and wild-type gene A.
So, for each drug, there will be one wilcoxon test and one p-value. Since I ...
1
vote
1
answer
118
views
There is very slight difference but also statistically significant. Could there be a mistake?
In my study to investigate the effect of filter glasses on reading speed and contrast senstivity in albino patients, there is little change in the reading performance level
n:61 patients
Reading ...
3
votes
1
answer
193
views
Is it appropriate to estimate the mean difference from a Wilcoxon p-value?
I am conducting a meta-analysis involving paired data (two instruments measuring the same thing). Original papers do not provide the standard deviation of the mean difference. One paper provides a p-...
1
vote
1
answer
42
views
What does it mean if p-values differ
I have a data for 322 items that are purchased between 2014 and 2018 by men and women. If I ran a Wilcoxon Signed-Rank test with a Benjamini-Hochberg correction on the items purchased by men and ...
2
votes
0
answers
350
views
How do two of my Wilcoxon signed rank tests have the same p-values?
I'm running a statistical analysis where I'm comparing land surface temperature in matched equal sized areas (project areas and control areas) of different cities. In each city, I do it for two ...
0
votes
0
answers
380
views
Comparing the performance of two algorithms with Wilcoxon Signed-Rank Test
I have two algorithms A and B which have to compute a solution to some problem. Each solution is given some objective value ...
0
votes
2
answers
16k
views
P-Values in Wilcoxon test
I have a question that if a p value less than 0.05 in wilcox test means that the two data are significantly different and the p-value of 1 means that are exactly same, then what is the meaning of a p-...