create_qgroups_svy {dvmisc}

Create Quantile Groups (Complex Survey Data)

Description

Complex survey version of create_qgroups. Relies heavily on the survey package [1,2].

Usage

create_qgroups_svy(x, groups = 4, probs = seq(1/groups, 1 - 1/groups,
  1/groups), strata = NULL, design, svyquantile_list = list(na.rm =
  TRUE), cut_list = list(include.lowest = TRUE))

Arguments

x

Numeric vector.

groups

Numeric value, e.g. 3 for tertiles, 4 for quartiles, etc.

probs

Numeric vector.

strata

Factor specifying subgroups to calculate quantiles within. For multivariable subgroups, you can use interaction.

design

Survey design object.

svyquantile_list

Arguments to pass to svyquantile.

cut_list

Arguments to pass to cut.

Value

Factor variable.

References

1. Therneau, T. (2015). A Package for Survival Analysis in S. R package version 2.38. https://cran.r-project.org/package=survival.

2. Therneau, T.M. and Grambsch, P.M. (2000). Modeling Survival Data: Extending the Cox Model. Springer, New York. ISBN 0-387-98784-3.