R Under development (unstable) (2024-10-14 r87233 ucrt) -- "Unsuffered Consequences"
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> library(qwraps2)
> 
> # basic formatting
> g_mean <- exp(mean(log(mtcars$mpg)))
> g_var  <- exp( var(log(mtcars$mpg)) * (nrow(mtcars) - 1) / nrow(mtcars))
> g_sd   <- exp(sqrt( var(log(mtcars$mpg)) * (nrow(mtcars) - 1) / nrow(mtcars)))
> 
> stopifnot(identical(gmean(mtcars$mpg), g_mean))
> stopifnot(identical(gvar(mtcars$mpg), g_var))
> stopifnot(identical(gsd(mtcars$mpg), g_sd))
> 
> g_mean <- frmt(g_mean)
> g_sd   <- frmt(g_sd)
> stopifnot(identical(gmean_sd(mtcars$mpg), paste(g_mean, "$\\pm$", g_sd)))
> 
> # error given if show_n is not as expected
> stopifnot(inherits(tryCatch(gmean_sd(mtcars$mpg, show_n = TRUE), error = function(e) e), "error"))
> 
> 
> # warning if na.rm is used
> stopifnot(inherits(tryCatch(gmean_sd(mtcars$mpg, na.rm = TRUE), warning = function(w) w), "warning"))
> 
> # warning if na_rm is provided along with na.rm
> stopifnot(inherits(tryCatch(gmean_sd(mtcars$mpg, na_rm = TRUE, na.rm = TRUE), warning = function(w) w), "warning"))
> 
> 
> proc.time()
   user  system elapsed 
   0.29    0.01    0.31