turicreate.Sketch.element_summary

Sketch.element_summary()

Returns the sketch summary for all element values. This is only valid for sketch object created from SArray of list or vector(array) type. For SArray of list type, all list values are treated as string for sketch summary. For SArray of vector type, the sketch summary is on FLOAT type.

Examples

>>> sa = turicreate.SArray([[1,2,3], [4,5]])
>>> sa.summary().element_summary()
+--------------------+---------------+----------+
|        item        |     value     | is exact |
+--------------------+---------------+----------+
|       Length       |       5       |   Yes    |
|        Min         |      1.0      |   Yes    |
|        Max         |      5.0      |   Yes    |
|        Mean        |      3.0      |   Yes    |
|        Sum         |      15.0     |   Yes    |
|      Variance      |      2.0      |   Yes    |
| Standard Deviation | 1.41421356237 |   Yes    |
|  # Missing Values  |       0       |   Yes    |
|  # unique values   |       5       |    No    |
+--------------------+---------------+----------+
Most frequent items:
+-------+-----+-----+-----+-----+-----+
| value | 1.0 | 2.0 | 3.0 | 4.0 | 5.0 |
+-------+-----+-----+-----+-----+-----+
| count |  1  |  1  |  1  |  1  |  1  |
+-------+-----+-----+-----+-----+-----+
Quantiles:
+-----+-----+-----+-----+-----+-----+-----+-----+------+
|  0% |  1% |  5% | 25% | 50% | 75% | 95% | 99% | 100% |
+-----+-----+-----+-----+-----+-----+-----+-----+------+
| 1.0 | 1.0 | 1.0 | 2.0 | 3.0 | 4.0 | 5.0 | 5.0 | 5.0  |
+-----+-----+-----+-----+-----+-----+-----+-----+------+