Skip to main content

All Questions

Filter by
Sorted by
Tagged with
0 votes
1 answer
50 views

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 ...
Alis's user avatar
  • 1
2 votes
2 answers
498 views

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....
Saad Khan's user avatar
  • 101
0 votes
1 answer
44 views

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 ...
Resolute's user avatar
3 votes
1 answer
547 views

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 ...
Even Guan's user avatar
0 votes
2 answers
2k views

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 ...
aqshaw's user avatar
  • 1
1 vote
2 answers
3k views

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: ...
allhands's user avatar
  • 125