Compute p-value

Source: R/p_value.R

Only simulation-based methods are (currently only) supported. get_pvalue() is an alias of p_value.

p_value(x, obs_stat, direction)

get_pvalue(x, obs_stat, direction)

Arguments

x

Data frame of calculated statistics or containing attributes of theoretical distribution values.
obs_stat

A numeric value or a 1x1 data frame (as extreme or more extreme than this).
direction

A character string. Options are "less", "greater", or "two_sided". Can also specify "left", "right", or "both".

Value

A 1x1 data frame with value between 0 and 1.

Examples

mtcars_df <- mtcars %>%
  dplyr::mutate(am = factor(am))
d_hat <- mtcars_df %>%
  specify(mpg ~ am) %>%
  calculate(stat = "diff in means", order = c("1", "0"))
null_distn <- mtcars_df %>%
  specify(mpg ~ am) %>%
  hypothesize(null = "independence") %>%
  generate(reps = 100) %>%
  calculate(stat = "diff in means", order = c("1", "0"))
null_distn %>%
  p_value(obs_stat = d_hat, direction = "right")
#> # A tibble: 1 x 1
#>   p_value
#>     <dbl>
#> 1       0