Looping through 2 columns and all rows in R and forming 2 new column based on their values
I’ve got an R Dataframe df with two columns Country1 and Country2 and a certain number of rows. I also have two vectors Continent_Europe and Continent_Africa. Every element of Country1 and Country2 is also an element of one, and only one of the two vectors Continent_Europe and Continent_Africa.
Looping through several columns in R and checking to what given vector their elements belong
I’ve got an R Dataframe df with two columns Country1 and Country2 and a certain number of rows. I also have two vectors Continent_Europe and Continent_Africa. Every element of Country1 and Country2 is also an element of one, and only one of the two vectors Continent_Europe and `Continent_Africa.