Linked Questions

1
vote
1answer
6k views

How to check the correlation between categorical and numeric independent variable in R? [duplicate]

Just wondering if i need to check correlation between categorical and numeric independent variable in R, is there any specific package available in R. Or should i just find the correlation between the ...
0
votes
1answer
280 views

correlation between a continous variable and categorical variable? [duplicate]

I have a large data set with several columns. One of columns are continous and another one is categorical. Can you find the correlation between those columns?
0
votes
2answers
253 views

Correlation between continuous variable and nominal variable [duplicate]

I have a data set with the amount of bicycle accidents and the year in which the bicycle accident occurred. I would like to see if there is a significant increase in the amount of bicycle accident per ...
0
votes
0answers
128 views

How to correlate scale and nominal variables in SPSS? [duplicate]

I want to run a test in order to identify if there is any correlation between the length of in-hospital stay (Scale) and the kind of the procedure (Nominal with three options; abdominal, cardiac and ...
0
votes
1answer
21 views

Correlation between occupational status and knowledge [duplicate]

I'd like to correlate such variables as: X- 1.Unemployed, 2.Student, 3.Employed, 4.Pensioner Y- Knowledge marked as points from 0 - 16. I want to see if any of these groups have tendency to score ...
137
votes
6answers
264k views

Correlations with unordered categorical variables

I have a dataframe with many observations and many variables. Some of them are categorical (unordered) and the others are numerical. I'm looking for associations between these variables. I've been ...
44
votes
1answer
387k views

How to interpret and report eta squared / partial eta squared in statistically significant and non-significant analyses?

I have data that has eta squared values and partial eta squared values calculated as a measure of effect size for group mean differences. What is the difference between eta squared and partial eta ...
26
votes
5answers
35k views

How do I study the “correlation” between a continuous variable and a categorical variable?

What's a meaningful "correlation" measure to study the relation between the such two types of variables? In R, how to do it?
16
votes
3answers
8k views

Why is correlation not very useful when one of the variables is categorical?

This is a little bit of a gut check, please do help me see if I'm misunderstanding this concept, and in what way. I have a functional understanding of correlation but I'm feeling a little grasping-at-...
15
votes
2answers
17k views

Correlation coefficient between a (non-dichotomous) nominal variable and a numeric (interval) or an ordinal variable

I've already read all the pages in this site trying to find the answer to my problem but no one seems to be the right one form me... First I explain you the kind of data I'm working with... Let's ...
1
vote
1answer
37k views

Correlation between numerical and categorical data in R [duplicate]

I have a dataset with over 20 variables. Some of them are numerical and some of them are categorical: ...
2
votes
0answers
13k views

How to compute the correlation between a qualitative and a quantitative variable? [duplicate]

My study is about the correlation of the person's gender and his or her score in a questionnaire about gender stereotyping. The higher the score in the questionnaire means he or she gender stereotypes ...
0
votes
1answer
4k views

Correlation between two Likert items with a non-monotonic relationship

One of the assumptions for Spearman correlation is that there is a monotonic relationship between the two variables. I've created a scatterplot for two Likert item variables, but it seems impossible ...
1
vote
1answer
2k views

How level of measurement help us in selecting correct type of correlation

How level of measurement help us in selecting correct type of correlation
2
votes
1answer
3k views

Spearman's rho for nominal / metrical data [closed]

Can Spearman's rho be used to calculate correlations between nominal (i.e., locations such as 1 = City1, 2 = City2, 3 = City3) and metrical data (i.e., revenue generated in US dollars)? I also heard ...

15 30 50 per page