N9N9
  • Member for 1 year
  • Last seen more than a month ago
Non-parametric data and comparing two treatments
2 votes

You can see from the help of the function ?wilcox.test that your code performs a "Wilcoxon rank sum test (equivalent to the Mann-Whitney test: see the Note)". Although this test is sometimes ...

View answer
using Poisson or gaussian when modelling income
0 votes

Maybe some economist or statistician here could give a theoretical answer, but I would tackle the problem empirically, by fitting both the models and checking how they perform in terms of residuals, ...

View answer
Can I test interrater reliability between 2 groups of unequal sample size
0 votes

You might look at Krippendorff’s alpha which can handle unequal sample size and can be implemented in SPSS

View answer
How to make sure that the random sample is representative for the whole sample?
0 votes

What you want is a sample that is representative in terms of the topics you are going to manually code. First of all, you want to be sure that your coding procedure is not biased. This is really ...

View answer
Multiple Poisson regression (?) in R
0 votes

It looks like you need to add an interaction term to asses the different effect of IVs on DV based on the gender factor, something like Count ~ (X1 + X2 + X3 + X4)*GENDER

View answer