check_variables {metatools}

Check Variable Names

Description

This function checks the variables in the dataset against the variables defined in the metacore specifications. If everything matches the function will return 'TRUE' and a message starting everything is as expected. If there are additional or missing variables and error will explain the discrepancies

Usage

check_variables(data, metacore, dataset_name = NULL)

Arguments

data

Dataset to check

metacore

metacore object that only contains the specifications for the dataset of interest.

dataset_name

Optional string to specify the dataset. This is only needed if the metacore object provided hasn't already been subsetted.

Value

message if the dataset matches the specification and the dataset, and error otherwise

Examples

library(haven)
library(metacore)
library(magrittr)
load(metacore_example("pilot_ADaM.rda"))
spec <- metacore %>% select_dataset("ADSL")
data <- read_xpt(metatools_example("adsl.xpt"))
check_variables(data, spec)