Thanks Everyone, My variables are in a dataframe with multiple other variables.
Thanks ------------------------- *Md Kamruzzaman* On Sat, Nov 4, 2023 at 1:13 AM Bert Gunter <bgunter.4...@gmail.com> wrote: > Well, something like: > > LAP <- ifelse(gender =='male', (WC-65)*TG, (WC-58)*TG) > > The exact code depends on whether your variables are in a data frame or > list or whatever, which you failed to specify. If so, ?with may be useful. > > Cheers, > Bert > > > > On Fri, Nov 3, 2023 at 3:43 AM Md. Kamruzzaman <mkzama...@gmail.com> > wrote: > >> Hello Everyone, >> I have three variables: Waist circumference (WC), serum triglyceride (TG) >> level and gender. Waist circumference and serum triglyceride is numeric >> and >> gender (male and female) is categorical. From these three variables, I >> want >> to calculate the "Lipid Accumulation Product (LAP) Index". The equation to >> calculate LAP is different for male and females. I am giving both >> equations >> below. >> >> LAP for male = (WC-65)*TG >> LAP for female = (WC-58)*TG >> >> My question is 'how can I calculate the LAP and create a single new >> column? >> >> Your cooperation will be highly appreciated. >> >> Thanks in advance. >> >> With Regards >> >> *--------------------------------* >> >> *Md Kamruzzaman* >> >> *PhD **Research Fellow (**Medicine**)* >> Discipline of Medicine and Centre of Research Excellence in Translating >> Nutritional Science to Good Health >> Adelaide Medical School | Faculty of Health and Medical Sciences >> The University of Adelaide >> Adelaide SA 5005 >> >> [[alternative HTML version deleted]] >> >> ______________________________________________ >> R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see >> https://stat.ethz.ch/mailman/listinfo/r-help >> PLEASE do read the posting guide >> http://www.R-project.org/posting-guide.html >> and provide commented, minimal, self-contained, reproducible code. >> > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
