add_metadata.RdGiven a dataframe with observations as rows and variables as columns, and given a dataframe of metadata with variables as rows and information as columns, add metadata to the variables present in the dataframe.
add_metadata(dat, metadat, categorical_types, cols_to_exclude)A dataframe or tibble of data. A dataframe.
A dataframe or tibble of metadata. Currently, the following fields are required:
description, a text description of the variable.
remark, any remark about the variable (e.g., if certain values were imputed).
type, type of variable (e.g., numerical).
comments, any other remark about the variable (e.g., unit of measurement).
dag, name of the variable as present in the DAG.
period, period of measurement of the variable (e.g., pregnancy).
label, labels of the levels in case of categorical variables,
separated by a comma and a space.
code, levels of the variable if categorical, separated by a comma.
A dataframe.
Identifiers, as strings, of categorical types. A vector.
A dataframe containing annotated variables.