I have 3 datasets that offer different information on countries. Global findex data set is on how adults save, borrow, make payments, and manage risk. Women, Business and the Law (WBL) is a World Bank Group project collecting unique data on the laws and regulations that restrict women's economic opportunities and Global Entrepreneurship monitor which has 2 daasets (APS) looks at the characteristics, motivations and ambitions of individuals starting businesses, as well as social attitudes towards entrepreneurship. (NES) looks at the national context in which individuals start businesses. I want to merge all of them for analysis. what should be the basefile and what merge command to use
also how can i attach datasets here