add_variables | R Documentation |
This function adds in missing columns according to the type set in the metacore object. All values in the new columns will be missing, but typed correctly. If unable to recognize the type in the metacore object will return a logical type.
add_variables(dataset, metacore, dataset_name = NULL)
dataset |
Dataset to add columns to. If all variables are present no columns will be added. |
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. |
The given dataset with any additional columns added
library(metacore)
library(haven)
library(dplyr)
load(metacore_example("pilot_ADaM.rda"))
spec <- metacore %>% select_dataset("ADSL")
data <- read_xpt(metatools_example("adsl.xpt")) %>%
select(-TRTSDT, -TRT01P, -TRT01PN)
add_variables(data, spec)
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.