Constructs a confidence intervals from upper and lower bounds, placing them in between square brackets
fmt_ci(lower, upper, digits = 2, drop_0 = FALSE)
Lower bound(s) of confidence interval(s). Numeric, or a vector of numbers
Lower bound(s) of confidence interval(s). Numeric, or a vector of numbers
Number of significant digits, defaults to 2
Logical. Should leading 0 be dropped, e.g., when reporting correlation coefficients. Note that this only makes sense (and only works) when the values are between -1 and 1