print.qualint: Print a summary of a "qualint" object
In QualInt: Test for Qualitative Interactions

Description Usage Arguments Details Value Author(s) References See Also Examples

Similar to other print methods, this function prints a summary from an "qualint" object.

1 2	## S3 method for class 'qualint' print(x, digits = max(3, getOption("digits") - 3), ...)

`x`	a qualint object
`digits`	significant digits in printout
`...`	not used. Additional print arguments

This function prints the important information in a format that's easier for people to understand from a "qualint" object (see examples).

A summary of the testing results (see above).

Lixi Yu, Eun-Young Suh, Guohua (James) Pan
Maintainer: Lixi Yu lixi-yu@uiowa.edu

Gail and Simon (1985), Testing for qualitative interactions between treatment effects and patient subsets, Biometrics, 41, 361-372.

Pan and Wolfe (1993), Tests for generalized problems of detecting qualitative interaction, Technical Report No. 526, Department of Statistics, The Ohio State University.

Pan and Wolfe (1997), Test for qualitative interaction of clinical significance, Statistics in Medicine, 16, 1645-1652.

coef.qualint, plot.qualint

ynorm <- rnorm(300)
trtment <- sample(c(0, 1), 300, prob = c(0.4, 0.6),
                  replace = TRUE)
subgrp <- sample(c(0, 1, 2), 300, prob = c(1/3, 1/3, 1/3),
                 replace = TRUE)
test1 <- qualint(ynorm, trtment, subgrp)
print(test1)