because I use na="" all fields are blank, but the field SS Reason should contain na if empty. could use a IF then statement I think but due to I ve less experience in R, found no correct way to solve this.
Hope someone can help in this.
File SSV Action Wall Mount SS Reason Number Floors Height Cable
EXPORT N IRREG 2
EXPORT N IRREG 3
EXPORT N IRREG 2
EXPORT Y 2 5
EXPORT N IRREG 2
EXPORT Y 2 5
EXPORT Y 2 5
EXPORT N IRREG 2
EXPORT Y 2 5
EXPORT N IRREG 2
EXPORT N IRREG 2
EXPORT N IRREG 2
EXPORT N IRREG 2
EXPORT N IRREG 2
EXPORT N IRREG 2