Add the option `conf.int` in wilcox_test()

[kassambara]

Optionally (if argument conf.int is true), a nonparametric confidence interval and an estimator for the pseudomedian (one-sample case) or for the difference of the location parameters x-y is computed.

[kassambara]

Updating the rstatix::wilcox_test() to report an estimator for the pseudomedian (one-sample case) or for the difference of the location parameters x-y. The column estimate and the confidence intervals are now displayed in the test result when the option detailed = TRUE is specified in the wilcox_test() and pairwise_wilcox_test() functions. You can install the dev version using devtools::install_github("kassambara/rstatix")

library(rstatix)


# Data preparation
data("ToothGrowth")
df <- ToothGrowth

# Wilcoxon test
df %>% wilcox_test(len ~ supp)
#> # A tibble: 1 x 7
#>   .y.   group1 group2    n1    n2 statistic      p
#> * <chr> <chr>  <chr>  <int> <int>     <dbl>  <dbl>
#> 1 len   OJ     VC        30    30      576. 0.0645

# Detailed results showing the estimator for the difference in location
df %>% wilcox_test(len ~ supp, detailed = TRUE)
#> # A tibble: 1 x 12
#>   estimate .y.   group1 group2    n1    n2 statistic      p conf.low conf.high
#> *    <dbl> <chr> <chr>  <chr>  <int> <int>     <dbl>  <dbl>    <dbl>     <dbl>
#> 1     4.00 len   OJ     VC        30    30      576. 0.0645   -0.100      8.50
#> # … with 2 more variables: method <chr>, alternative <chr>

^{Created on 2020-05-07 by the reprex package (v0.3.0.9001)}