NA values represent missing values in R. They’re awesome, because they’re baked right into R natively. There are actually many different flavours of NA values in R: NA is a logical NAcharacter is characters NAinteger is integer values NAreal is doubles (values with decimal points) NAcomplex for complex values (like 1i) This means that these NA values have different properties, even though when printing them , they print as NA, they are character, or complex, or …