All Questions
6 questions
0
votes
1
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50
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Statistical test for frequency counts?
I have data of customer purchases over time. Certain clusters of purchases tend to occur together within a short timeframe for each customer. One customer can have multiple clusters of purchases. I ...
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2
votes
2
answers
498
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Is p-value correction necessary/required for this problem?
Suppose I have multiple regions of a tissue that consists of multiple subtypes of a tumor. I want to compare the significance of differences between these various tumor subtypes (i.e How they differ w....
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0
votes
1
answer
44
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Basic help on which test to use
Apologies for what I think is a basic question.
I have 3 years of data gathered from medical clinics on how many patients per year presented with a certain condition (X patients out of Y total ...
- 3
3
votes
1
answer
548
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Chi-square test with replicate nested
I have a question about how to analyse count data with replicates nested in each treatment. For example, imagine temperature can influence the sex ratio of mosquito larva emerged from eggs. I have two ...
- 31
0
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2
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2k
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Goodness of fit (chi-squared) for non-exclusive categories
I'm analyzing some data, which is sorted into some categories, and would like to compare my results to a hypothetical distribution of those categories. I feel like the chi-squared test for goodness of ...
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1
vote
2
answers
3k
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prop.test or chi squared test on count data with 3 groups?
I have some count data pertaining to number of events observed among independent trials in 3 groups of an experiment:
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