# Tagged Questions

methods for comparison when the measurements to be compared are used each on the same subjects, so for each subject we get a pair of measurements.

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### Multiple groups, Different Items in each group, Find how many pairwise comparisons of the items within each category and across all categories

Question on finding the number of pairwise comparisons to perform within a group and across different groups. For example: If I wanted to find how many pairwise comparisons of the employees I ...
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### Test for paired data on categorical variable with >2 levels

I am looking for the appropriate statistical test to compare frequencies over a categorical variable with >2 classes, for paired data (in practice, each individual has been labelled A, B, C or D ...
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### Before-after analysis of categorical data

I have carried out an experiment, during which the participants tried several authentication methods; as well as a pre- and post-survey, which measured the participants' familiarity and adoption of ...
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### Quantifying comparison of two or more 1D datasets (pdfs or cdfs)

I have two 1D data sets which represent the same field quantity and are of same size. Say A1 and A2 both are arrays of size 1 million . Now I have to quantify the comparison of these two data sets ...
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### Cupcakes! Which Test for multiple Paired Data?

I have a cupcake factory. There are an infinite number of cupcake machines. We also have 5 taste testers. These taste testers claim to be in complete agreement over how they rate cupcakes. They claim ...
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### Quantifying comparison of two different field data sets for the same 3D domain

I have a 3D domain (say a cube). The cube is discretized into an array of grid points. Each grid point holds a field data (like temperature, temperature gradient etc.). I would like to see if the ...
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### Is it possible to conduct ANOVA on paired samples

I have data similar to that (fake values): | Individual | Profession | Software_A | Software_B | |------------|-------------|------------|------------| | A | Teacher | 4.5 | ...
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### How to compare ordinal variables across groups and time?

I have a short survey that is administered twice (baseline and follow-up, same questions) to a treatment and comparison group. It contains mainly ordinal variables. Here is one example: Overall, how ...