Description Usage Arguments Value References Examples
The mean_table function produces overall and grouped tables of means with related statistics. In addition to means, the mean_table missing/non-missing frequencies, the standared error of the mean (sem), the 95 value, and the maximum value. For grouped tibbles, mean_table displays these statistics for each category of the group_by variable.
1 2 | mean_table(.data, x, t_prob = 0.975, output = default, digits = 2,
...)
|
.data |
A tibble or grouped tibble. |
x |
The continuous response variable for which the statistics are desired. |
t_prob |
(1 - alpha / 2). Default value is 0.975, which corresponds to an alpha of 0.05. Used to calculate a critical value from Student's t distribution with n - 1 degrees of freedom. |
output |
Options for this parameter are "default" and "all". Default output includes the n, mean, sem, and 95 the mean. Using output = "all" also returns the the number of missing values for x and the critical t-value. |
digits |
Round mean, lcl, and ucl to digits. Default is 2. |
... |
Other parameters to be passed on. |
A tibble of class "mean_table" or "mean_table_grouped"
SAS documentation: http://support.sas.com/documentation/cdl/en/proc/65145/HTML/default/viewer.htm#p0klmrp4k89pz0n1p72t0clpavyx.htm
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 | library(tidyverse)
library(bfuncs)
data(mtcars)
# Overall mean table with defaults
mtcars %>%
mean_table(mpg)
#> # A tibble: 1 x 8
#> response_var n mean sem lcl ucl min max
#> <chr> <int> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl>
#> 1 mpg 32 20.09 1.065424 17.92 22.26 10.4 33.9
# Grouped means table with defaults
mtcars %>%
group_by(cyl) %>%
mean_table(mpg)
#> # A tibble: 3 x 10
#> response_var group_var group_cat n mean sem lcl ucl min max
#> <chr> <chr> <dbl> <int> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl>
#> 1 mpg cyl 4 11 26.66 1.3597642 23.63 29.69 21.4 33.9
#> 2 mpg cyl 6 7 19.74 0.5493967 18.40 21.09 17.8 21.4
#> 3 mpg cyl 8 14 15.10 0.6842016 13.62 16.58 10.4 19.2
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