Adds categorized versions of CGG to input dataset.
Value
a tibble with the same columns as dataset,
except with the following additions:
FX (logical): TRUE if CGG >= 55
FX*(factor): dichotomizes CGG to < 55 vs >= 55;NAs stay asNAFX**(factor): dichotomizes CGG to < 55 vs >= 55;NAs converted to level"CGG missing"FX3*(factor): trichotomizes CGG to < 55, 55-100, and >100 >= 55;NAs stay as NAsFX3**(factor): trichotomizes CGG to < 55, 55-100, and >100 >= 55;NAs converted to level "CGG missing"