All Questions
5
questions
1
vote
1
answer
74
views
Can I assess the relationship between a normally and non-normally distributed variable?
My study is related to the visual attractiveness of route-plans in a logistics context. In practice, route-plans are rejected based on the fact that they "do not look nice". I have conducted an ...
- 11
4
votes
1
answer
10k
views
Non-parametric alternative to multiple linear regression?
I'm working a study to assess the relationship between psychotic symptoms and suicide ideation on adolescents. A battery of instruments was applied to 1635 adolescents from 2 contexts (Group A=School ...
- 135
0
votes
1
answer
234
views
Examining interactions when one group is normally distributed and the other is not
I'm running regressions on some data so I checked to see if the data was normally distributed. I need to create interaction terms using gender so I split the variables by gender and examined them. ...
- 1
1
vote
1
answer
2k
views
Absolute variable as dependent variable
I have the following model:
$$
|X| = B_0 +B_1 \cdot y + B_2 \cdot z ,
$$
where $z$ and $y$ are normally distributed random variables, and $B_1$ and $B_2$ denote the coefficients.
My dependent ...
- 119
1
vote
0
answers
8k
views
Non-parametric alternative to linear regressions in R
I want to run series of simple lm in R, with a continuous/categorical outcome and binary group membership (patients - controls) and categorical predictors.
However the categorical predictor is ...
- 151