test_summarize_linear_contrasts {crosstable}

Test for linear trend across ordered factor with contrasts

Description

Test for linear trend across ordered factor with contrasts

Usage

test_summarize_linear_contrasts(x, y)

Arguments

x

vector

y

ordered factor

Value

a list with two components: p.value and method

Author(s)

Dan Chaltiel

Examples

library(dplyr)
my_test_args=crosstable_test_args()
my_test_args$test_summarize = test_summarize_linear_contrasts
iris %>%
  mutate(Petal.Width.qt = paste0("Q", ntile(Petal.Width, 5)) %>% ordered()) %>%
  crosstable(Petal.Length ~ Petal.Width.qt, test=TRUE, test_args = my_test_args)