The table contains column names, column labels,
small summary about NA values and sparkline (if appropriate).
render_tab_table(
dataset_name,
parent_dataname,
output,
data,
input,
columns_names,
plot_var
)(character) the name of the dataset
(character) the name of a parent dataname to filter out variables from
(session$output) the shiny session output
(teal_data) the object containing all datasets
(session$input) the shiny session input
(environment) the environment containing bindings for each dataset
(list) the list containing the currently selected dataset (tab) and its column names