Get ev_variables request

Returns the ev_variables container used to create an ev_data container.

Usage

get_ev_request(ev_data)

Arguments

ev_data

An ev_data container

Value

An ev_variables container

Details

Every ev_data container stores a copy of the ev_variables container used to create it, and this function is used to access it directly.

See also

fetch_ev_data to create an ev_data container.

Other getters: get_ev_data_names(), get_ev_data(), get_ev_metadata(), get_ev_projects(), get_ev_tables(), get_ev_variables(), get_ev_vars_df()

Examples

if (FALSE) { # \dontrun{

con <- ev_connect()

# read a variable data request file
vars <- read_ev_variables("path/to/variables/file")
# fetch the data from EpiVault
dat <- fetch_ev_data(con, vars)

# get variable request - a copy of the ev_variables container (vars) used to build dat
get_ev_request(dat)

} # }