Users' questions

Can you use correlation with ordinal data?

Can you use correlation with ordinal data?

Pearson correlation is not suitable for ordinal data. Usually Liker scale represents Agree – Disagree responses. For variables at ordinal level use Spearman’s correlation. However, Chi-Square is also suitable to use for test of significance with cross tabulation of ordinal level data.

What correlation tests nominal data?

Crosstabulation (also known as contingency or bivariate tables) is commonly used to examine the relationship between nominal variables Chi Square tests-of-independence are widely used to assess relationships between two independent nominal variables.

What correlation coefficient is used for ordinal data?

Introduction. The Spearman rank-order correlation coefficient (Spearman’s correlation, for short) is a nonparametric measure of the strength and direction of association that exists between two variables measured on at least an ordinal scale. It is denoted by the symbol rs (or the Greek letter ρ, pronounced rho).

How to find the relationship between nominal and ordinal variables?

See also: Another option to find the relationship between ordinal and nominal variables is to use Decision Trees. You will not get a correlation coefficient but the algorithm will group nominal variables and split ordinal variables based on association with another variable.

Is there a correlation coefficient for nominal variables?

You will not get a correlation coefficient but the algorithm will group nominal variables and split ordinal variables based on association with another variable.

How to correlate ordinal and nominal variables in SPSS?

( Analyze > Descriptive statistics > Crosstab Put in the variables into row and column, and then click Statistics and check Chi-square ). Nominal vs. ordinal, you may consider Kruskal-Wallis. ( Analyze > Non-parametric > Legacy dialog > K-independent samples.

How are the variables listed in ordinal data?

The variables in ordinal data are listed in an ordered manner. The ordinal variables are usually numbered, so as to indicate the order of the list. However, the numbers are not mathematically measured or determined but are merely assigned as labels for opinions.