_id field   type   is_ascii   sum   min   max   range   sort_order   sortiness   min_length   max_length   sum_length   avg_length   stddev_length   variance_length   cv_length   mean   sem   geometric_mean   harmonic_mean   stddev   variance   cv   nullcount   max_precision   sparsity   cardinality   uniqueness_ratio   colspacer
field type is_ascii sum min max range sort_order sortiness min_length max_length sum_length avg_length stddev_length variance_length cv_length mean sem geometric_mean harmonic_mean stddev variance cv nullcount max_precision sparsity cardinality uniqueness_ratio