recodes the 6 ILS items depending on positive or negative wording items need to be dichotomized for items 1, 4 and 6, levels 0 = "Not applicable at all" or "Rather does not apply" and 1 = "Rather applies" or "Applies completely" are needed for items 2, 3 and 5, levels 1 = "Not applicable at all" or "Rather does not apply" and 0 = "Rather applies" or "Applies completely" are needed function recodes items to needed levels
recode_6ils(six_ils.factor, version)