generate.from() function
generate.from
generates data using provided parameter values.
import "generate"
generate.from(
count: 5,
fn: (n) => n,
start: 2021-01-01T00:00:00Z,
stop: 2021-01-02T00:00:00Z,
)
Parameters
count
(Required) Number of rows to generate.
fn
(Required)
Function used to generate values.
The function takes an n
parameter that represents the row index, operates on n
,
and then returns an integer value.
Rows use zero-based indexing.
start
(Required) Beginning of the time range to generate values in.
stop
(Required) End of the time range to generate values in.
Examples
Generate sample data
import "generate"
generate.from(
count: 6,
fn: (n) => (n + 1) * (n + 2),
start: 2021-01-01T00:00:00Z,
stop: 2021-01-02T00:00:00Z,
)
Output data
_time | _value |
---|---|
2021-01-01T00:00:00Z | 2 |
2021-01-01T04:00:00Z | 6 |
2021-01-01T08:00:00Z | 12 |
2021-01-01T12:00:00Z | 20 |
2021-01-01T16:00:00Z | 30 |
2021-01-01T20:00:00Z | 42 |
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