what is the difference between a type and a category which type of returns are better in r? how to find what category of a variable in r which r variable has best r what is the difference between a r and a sql variable r compares the returns of different categories in a table r compares different types of returns difference between category and return of a stock in r comparing a variable based on category in r comparing a variable based on a category in r formula to check which variable is the best r compares a variable based on __________. which category has the better returns which variable gives the lowest return what type of variable is the r how to classify a stock return in r which category yields the highest return? what is the class of a variable in r r how to compare a stock return based on a category which class returns the best