What's the best way to replace missing values with NA when reading in a .csv?

Question

I have a .csv dataset with many missing values, and I\'d like R to recognize them all the same way (the \"correct\" way) when I read the table in. I\'ve been using:

Answer 1

You can also use the more flexible readr package, whose equivalent function and argument are read_csv() and na.

library(readr)
read_csv("file.csv", na = c(".", ".."))