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;NA
s stay asNA
FX**
(factor): dichotomizes CGG to < 55 vs >= 55;NA
s converted to level"CGG missing"
FX3*
(factor): trichotomizes CGG to < 55, 55-100, and >100 >= 55;NA
s stay as NAsFX3**
(factor): trichotomizes CGG to < 55, 55-100, and >100 >= 55;NA
s converted to level "CGG missing"