vars_exist() checks if columns are present in a webtrack data object.
By default, checks whether the data has a panelist_id, a ulr and a
timestamp column.#'
Usage
vars_exist(wt, vars = c("panelist_id", "url", "timestamp"))vars_exist() checks if columns are present in a webtrack data object.
By default, checks whether the data has a panelist_id, a ulr and a
timestamp column.#'
vars_exist(wt, vars = c("panelist_id", "url", "timestamp"))