filter_ezcox: Filter ezcox

In ezcox: Easily Process a Batch of Cox Models

Filter ezcox

Description

Filter ezcox

Usage

filter_ezcox(x, levels = "auto", type = c("both", "contrast", "ref"))

Arguments

x	a ezcox object from ezcox().
levels	levels to filter, default is 'auto', it will filter all control variables.
type	default is 'both' for filtering both contrast level and reference level. It can also be 'contrast' for filtering only contrast level and 'ref' for filtering only reference level.

Value

a ezcox object

Author(s)

Shixiang Wang [e-mail]

Examples

library(survival)
lung$ph.ecog <- factor(lung$ph.ecog)
zz <- ezcox(lung, covariates = c("sex", "age"), controls = "ph.ecog")
zz
filter_ezcox(zz)
filter_ezcox(zz, c("0", "2"))
filter_ezcox(zz, c("0", "2"), type = "contrast")
t <- filter_ezcox(zz, c("0", "2"), type = "ref")
t

ezcox documentation built on May 31, 2023, 7:49 p.m.