sample operator
Psuedo-randomly selects rows at a rate specified by a parameter. The sampling algorithm is not statistically rigorous but provides a way to explore and understand a dataset. For statistically rigorous analysis summarize should be used.
Syntax
| sample <rate>Arguments
| name | type | description |
|---|---|---|
| Sample Rate | float | A number greater than 0 and less than 1 which specifies how many rows are selected for the next operation. |
Example
['http-logs']
| sample 0.1 // 10% of the logs go on