get_covariates: get covariates

In UBESP-DCTV/equationer: Equations of Energy Requirements

Description

Extract the equation(s) covariates

Usage

get_covariates(x)

## S3 method for class 'eq'
get_covariates(x)

## S3 method for class 'eqs'
get_covariates(x)

## S3 method for class 'eqs_bag'
get_covariates(x)

Arguments

x	the object

Value

(chr) covariates of the equation x

Methods (by class)

• eq: Extract the covariates of the given equation object.

• eqs: Extract the covariates of the given equation object.

• eqs_bag: Extract all the possible covariates used by any equation in the eqs_bag.

Examples

library(equationer)
eq_test <- eq(age = 0.1, bmi = -0.3,
    name    = "first eq_test",
    outcome = "kcal/day",
    strata = list(sex = "female")
)
get_covariates(eq_test)
library(equationer)
eq_test <- eq(age = 0.1, bmi = -0.3,
    name    = "eq_test",
    outcome = "kcal/day",
    strata = list(sex = "female")
)
eq2_test <- eq(age = 0.1, bmi = -0.3,
    name    = "eq2_test",
    outcome = "kcal/day",
    strata = list(sex = "male")
)

eqs_test <- eqs(eq_test, eq2_test, name = "eqs-test")
get_covariates(eqs_test)

UBESP-DCTV/equationer documentation built on Jan. 17, 2021, 6:30 p.m.