Linked Questions

I am relatively new to R. I am currently using R studio to run an ordinal logistic regression for some research. Initially I just ran the ordinal logistic regression using R's polr function, I didn't ...

Base Data: I have ~1,000 people marked with assessments: '1,' [good] '2,' [middle] or '3' [bad] -- these are the values I'm trying to predict for people in the future. In addition to that, I have some ...

I have ranked concentrations (from 0 to 5) of 5 different proteins from 3 different locations from the same patient. In total, 15 measures per patient and 61 patients, so 915 observations. What I'd ...

I am trying to find out the effects of the condition (3 levels) on a dependent variable (intention to use a certain mode of transportation; assumed to be continuous, 1-7 scale), whilst controlling for ...

I have calculated the RM-function from the MANOVA.RM package in R and now need to calculate the statistical power of the test and the effect size for its Wald-type-statistic, including the ...

In a LMM with interaction effect, the estimate seems unreasonable because the Score suppose to range from 0-12. ...

Participants read 10 pairs of stories from Author A and Author B on 10 different topics (different topic for each pair). For each pair, they indicated whether they preferred Author A, Author B, or ...

I have the results from two surveys taken approximately one year apart. All of the questions are Likert-type; many questions are the same between the two surveys (these are the ones in which I am ...

I have some data where participants watched some clips and evaluated them. All participants watched all the clips (within-subjects experiment). There are 3 categories of clips: positive, neutral and ...

My situation is the following: I'm working on mice. I apply them a treatment or a sham of treatment (two groups). Then I do immunohistochemistry to analyse the intensity of the pathology in brains. ...

I have 10 participants who were asked to rate (from 1 to 5) 30 statements. I then asked each participant to assign each statement one of three categories. I want to establish if there is an ...

I have this data where participants listened to each stimulus and gave a rating (1~5) for each. But each stimulus contains multiple sentence-like units (i.e., intonational phrase) within it, and for ...

Consider the following scenario: A group of students (N=85) is given a test to assess their knowledge, the test contains a single question with four possible responses: 0,1,2,3. Students have to make ...