Questions tagged [statistical-significance]

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How to calcualte LR_statistic for the below data

I am trying to calculate LR_statistic for two models where my log-likelihood ratio values as follows. model1.llf = -2326.9 and model2.llf = -4649.1. When read ...
udaykumar gajavalli's user avatar
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Am I suppose to do any statistical test on results?

I am doing an email campaign. Before sending emails to users I divided my user base into treatment and control groups (50-50). Divided the groups in such a way that no difference in user behaviour. I ...
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Find out Statistical test for binary data

we are ran an email campaign for users which is called my treatment and there is control group as well. We want to measure the performance using a Metric called A. If he belongs to metric A then we ...
udaykumar gajavalli's user avatar
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Selecting optimal regression model using cross validation

I have a logistic mixed model (lme4 package in R). I want to assess whether participants scores on the measures 'sumspq', 'sumpdi', and 'sumcaps' significantly affect the difference in performance ...
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Sales Comparison problem, how to apply Chi Square Test or alternatives?

Lets Say Before Pandemic, the Sales of Product A, B, ,C and D, are 780 , 350 , 250 , 100, This is an Average of 36 Months , considering 12 months of Pandemic data is ignored, and after pandemic, 730 , ...
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How do I differentiate validity-coefficient from alpha-coefficient for a significance test?

Two terms are in vogue for a longtime.Alpha_coefficient is used for denoting significance. And validity coefficient denotes measurement error by two or more raters or evaluators of an object or human-...
Subhash C. Davar's user avatar