ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-SzioZSmIqOU.htmlsi=Ge9CUM9UzjIkirkE Hello Nitish, when tie occurs we just adjust the term in the formula derived in spearman's rank derivation. As such there is no derivation for this. I have attached here a link, there you will get idea about how and when correction factor is added.