could not find function create_df
could not find function create_df, could not find function create_dt, could not find function create_data, could not find function ur.df, could not find function map_df, could not find function do, could not find function set, could not find function draw, could not find function describe, could not find function default_missing, could not find function map_dfc, could not find function set_names, could not find function as.data, could not find function as_factor, could not find function sqldf, could not find function desc, error in : could not find function, could not find function run_de, could not find function explain, could not find function labs, could not find function display, could not find function disp_func, could not found function
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could not find function create_df
could not find function create_dt
could not find function create_data
could not find function ur.df
could not find function map_df
could not find function do
could not find function set
could not find function draw
could not find function describe
could not find function default_missing
could not find function map_dfc
could not find function set_names
could not find function as.data
could not find function as_factor
could not find function sqldf
could not find function desc
error in : could not find function
could not find function run_de
could not find function explain
could not find function labs
could not find function display
could not find function disp_func
could not found function
could not find function create_df, could not find function create_dt, could not find function create_data, could not find function ur.df, could not find function map_df, could not find function do, could not find function set, could not find function draw, could not find function describe, could not find function default_missing, could not find function map_dfc, could not find function set_names, could not find function as.data, could not find function as_factor, could not find function sqldf, could not find function desc, error in : could not find function, could not find function run_de, could not find function explain, could not find function labs, could not find function display, could not find function disp_func, could not found function
