could not find function create_dt
could not find function create_dt, could not find function create_data, could not find function create_df, could not find function do, could not find function set, could not find function describe, could not find function as.data, could not find function default_missing, could not find function set_names, could not find function t_test, error in : could not find function, could not find function explain, could not find function type, could not find function run_de, could not find function make_pct, could not find function ur.df, could not find function install, could not find function draw, could not find function read_dta, could not find function tq_get, could not find function make_date, could not found function, the function was not found
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could not find function create_dt
could not find function create_data
could not find function create_df
could not find function do
could not find function set
could not find function describe
could not find function as.data
could not find function default_missing
could not find function set_names
could not find function t_test
error in : could not find function
could not find function explain
could not find function type
could not find function run_de
could not find function make_pct
could not find function ur.df
could not find function install
could not find function draw
could not find function read_dta
could not find function tq_get
could not find function make_date
could not found function
the function was not found
could not find function create_dt, could not find function create_data, could not find function create_df, could not find function do, could not find function set, could not find function describe, could not find function as.data, could not find function default_missing, could not find function set_names, could not find function t_test, error in : could not find function, could not find function explain, could not find function type, could not find function run_de, could not find function make_pct, could not find function ur.df, could not find function install, could not find function draw, could not find function read_dta, could not find function tq_get, could not find function make_date, could not found function, the function was not found