87 lines
1.8 KiB
Markdown
87 lines
1.8 KiB
Markdown
---
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title: logarithmicBins() function
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description: >
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`logarithmicBins()` generates a list of exponentially separated float values.
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menu:
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flux_v0_ref:
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name: logarithmicBins
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parent: universe
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identifier: universe/logarithmicBins
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weight: 101
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introduced: 0.19.0
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---
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<!------------------------------------------------------------------------------
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IMPORTANT: This page was generated from comments in the Flux source code. Any
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edits made directly to this page will be overwritten the next time the
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documentation is generated.
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To make updates to this documentation, update the function comments above the
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function definition in the Flux source code:
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https://github.com/influxdata/flux/blob/master/stdlib/universe/universe.flux#L3634-L3634
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Contributing to Flux: https://github.com/influxdata/flux#contributing
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Fluxdoc syntax: https://github.com/influxdata/flux/blob/master/docs/fluxdoc.md
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------------------------------------------------------------------------------->
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`logarithmicBins()` generates a list of exponentially separated float values.
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Use `linearBins()` to generate bin bounds for `histogram()`.
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##### Function type signature
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```js
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(count: int, factor: float, start: float, ?infinity: bool) => [float]
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```
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{{% caption %}}
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For more information, see [Function type signatures](/flux/v0/function-type-signatures/).
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{{% /caption %}}
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## Parameters
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### start
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({{< req >}})
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First value to return in the list.
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### factor
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({{< req >}})
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Multiplier to apply to subsequent values.
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### count
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({{< req >}})
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Number of values to return.
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### infinity
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Include an infinite value at the end of the list. Default is `true`.
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## Examples
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### Generate a list of exponentially increasing values
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```js
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logarithmicBins(
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start: 1.0,
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factor: 2.0,
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count: 10,
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infinity: true,
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)// Returns [1, 2, 4, 8, 16, 32, 64, 128, 256, 512, +Inf]
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```
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