Student-T tolerance-style interval around an estimate of a mean from a data.frame.

# S3 method for data.frame
TInterval(x, ColumnName, ..., conf.level = 0.95, na.rm = FALSE)

Arguments

x

data.frame

ColumnName

character name of measurment column

...

extra arguments passed to TInterval

conf.level

confidence level to draw interval

na.rm

logical, if TRUE remove NA values

Value

wrapped stat

See also

TInterval, TIntervalS, TInterval.numeric, TInterval.data.frame

Examples

set.seed(2018) d <- data.frame(x = rnorm(100) + 3.2) TInterval(d, "x")
#> [1] "TInterval: (n=100 ~ 3.221+-1.016*Z: c(0.9747)[3.02, 3.422])."