Question

Formula for spearman rank correlation when ranks are repeated

Answer 1

it is staticial association

Answer 2

What is Spearman Rank Correlation.

The correlation coefficient rs of Spearman rank is the nonparametric correlation of the Pearson correlation coefficient.

Data Your data must be ordinal, and interval or ratio.

Spearman’s returns a value from -1 to 1, where:+1 = a perfect positive correlation :-1 = a perfect negative correlation :0 = no correlation between ranks.

So, the formula is given by