r - Using read.csv, empty fields have NA added to data.frame -

I am using read.csv to import a file that contains some columns with empty columns. These cells are required to stay and there is no value in it.

However, whenever I import, a NA adds. I have not tried any of the na.strings (like na.strings = "NULL" or na.strings = "" ).

Is there an easy way to force observations to remain empty?

Any advice is appreciated.

After importing, try it:

  x No (x)]  - c ("") ## NFL Refill with blank letter  

This column changes to a character, but if you already have mixed strings, I think it's the first Is from