Point Biserial Correlation Coefficient or LDA?

lda
correlation

#1

It is generally understood that one has to look at the Point Biserial Correlation Coefficient to measure the strength of association between a continuous variable and a categorical variable. However, the Analytics Vidhya article at the URL below mentions LDA as the method of choice for measuring the strength of association.

Any thoughts on Point Biserial Correlation Coefficient vs LDA?