TDIGEST.CREATE

Syntax
TDIGEST.CREATE key [COMPRESSION compression]
Available in:
Redis Stack / Bloom 2.4.0
Time complexity:
O(1)

Allocates memory and initializes a new t-digest sketch.

Required arguments

key is key name for this new t-digest sketch.

Optional arguments

COMPRESSION compression is a controllable tradeoff between accuracy and memory consumption. 100 is a common value for normal uses. 1000 is more accurate. If no value is passed by default the compression will be 100. For more information on scaling of accuracy versus the compression parameter see [_The t-digest: Efficient estimates of distributions_](https://www.sciencedirect.com/science/article/pii/S2665963820300403).

Return value

Simple string reply - OK if executed correctly, or Error reply otherwise.

Examples

redis> TDIGEST.CREATE t 100
OK
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