correlation_with_size function

Correlation with size

This function computes the correlation between an attribute and the size of the groups.

correlation_with_size(partition, attribute, categorical)

Arguments

• partition: A partition (vector)
• attribute: A vector containing the values of the attribute
• categorical: A Boolean (True or False) indicating if the attribute is categorical

Returns

A number corresponding to the correlation coefficient if the attribute is numerical or the correlation ratio if the attribute is categorical.

Examples

p <- c(1,2,2,3,3,4,4,4,5)
at <- c(3,5,23,2,1,0,3,9,2)
correlation_with_size(p,at,categorical=FALSE)