Vancouver, British Columbia--(Newsfile Corp. - February 13, 2018) - Pivot Pharmaceuticals Inc. (CSE: PVOT) (OTCQB: PVOTF) ("Pivot" or the "Company"), a biopharmaceutical company engaged in t… Read More

I have a column "Product Category" in my dataset having 23 entries including duplicates.I want to know the distinct number of categories. There are different ways of doing it. In this post… Read More