Questions tagged [significance]
The significance tag has no usage guidance.
significance
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How to map significant trends (p-value = 0.05) from raster file
I made a raster file (.tif) from a netcdf file, I want to analyze the data and make a map of some significant snow depth trends but it nothing seems to work.
I can make a plot of the data using the ...
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Suggestions to look for statistically significant trends with small numerators and large denominators
My company sells a large number of medical device implants per year. There are often "incidents" or minor issues, associated with them that can be easily categorized into an incident ...
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Creating a table with percentages of one variable
I would like to make a table that looks like the attached image in Markdown
The variable I'm looking to report on is happiness. The survey question asked people whether they are very happy, happy, ...
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How to test more than one random slope in R for significance?
I set up a multilevel model in R with the lme4-package to test different effects on social participation in primary school classes. Now I assume that the effects of academic performance (sp) and ...
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How do I prevent significant letters from stacking in ggplot with two variables?
I have a df with two variables, genotype and treatment; in a second dataframe I already have significance letters associated with the combination of both variables. So genotype1:treatment1 might be A, ...
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What is by default significance level of Modified Mann Kendal test in R?
I am using Modified Mann Kendal test in R.
I want to know its by default value for significance level. Can we set the significance level manually? For example: 5%, 10% etc. if possible, then how can ...
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Statistical Test for Difference in non-paired proportions
I want to do a statistical test for a relatively simple scenario. But in my research, I could not find a straightforward answer how to compute this.
There is an experimental setup where one group ...
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why stat_compare_means(method = "anova") gives different pval than aov()
everyone I am trying to figure out how does stat_compare_means works
I tried to use stat_compare_means(method = "anova") in order to display pval on my boxplot. But then I ran also aov() on ...
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48
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F-test and chi-squared test for coefficient significance in sklearn generalized linear models
I have created a generalized linear model with sklearn with the following code
X_train, X_test, y_train, y_test = train_test_split(X, y, test_size = 0.3)
clf_hard = GammaRegressor(alpha = 0)
clf_hard....
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48
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Autocorrelations with significance stars in python
I would like to add significance stars (p-values) to the autocorrelations in a df (by column).
How can I incorporate the significance stars next to each autocorrelation coefficient?
from statsmodels....
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How to get results on the significance of alpha and beta coefficients of VECM in R
In estimating a vector-error correction model (VECM), I'm looking for a function in R that reports the significance of alpha and beta coefficients in the error-correction term. All I found was this, ...
- 115
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Sig. letters will not show up on box plot in R
WD.fit<-emmeans(WD.mod,~POST*PLANTING.DATE)
WD.fit
WD.cld<-cld(WD.fit,decreasing=TRUE,adjust='Tukey',Letters=LETTERS,reversed = T)#gives the letters
WD.cld
anova <- aov(DENSITY ~...
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47
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Statistical test to compare rates before an after an intervention?
I have published data on the rates of children looked after (by a local authority) per 10,000 by local authority and over time.
I know that in Lancashire an intervention was conducted in 2021. I can ...
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I need to add p values to my grouped plot in my boxplot
I am running the following code:
ggboxplot(Test, x = "pH", y = "Value", color = "Treatment", palette = "jco", add = "jitter") + geom_signif(...
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108
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Add p-values/significance to ALL boxplots (pairwise) in facet_wrapped plot
I have a facet_wrapped plot with 5 facets, that have different numbers of boxplots in them.
I wanna pairwise compare all of them if they differ siginficantly from each other, ideally already giving ...
