The function json_types() inspects the JSON associated with each row of the tbl_json data.frame, and adds a new column ("type" by default) that identifies the type according to the JSON standard at http://json.org/.
json_types(x, column.name = "type")
a tbl_json object
the name to specify for the type column
This is particularly useful for inspecting your JSON data types, and can added after gather_array() (or gather_keys()) to inspect the types of the elements (or values) in arrays (or objects).
a tbl_json object with column.name column that tells the type