obtain general height as difference from mean normal "85th" percentile TD value? Default is FALSE
rankRef
the rank position to take as reference for general height. Default is "default". For "default" it looks at the type of visual field, p24d2 or p30d2, fullt or sitas, to get which is the position that corresponds, roughly with the 85th percentile
Value
returns the subject's estimated general height
Details
calculates the general height estimated as the pos-th ranked TD location