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Clarify distribution of random values (#4614)

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Clarify that values drawn produce a discrete uniform distribution, and not for example a normal (or bell shaped) distribution. I intend to implement a random physics sensor which will return a bell distribution and this edit will avoid confusion.
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Robin 2018-02-15 17:47:16 +00:00 committed by Fabian Affolter
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source/_components/sensor.random.markdown
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@ -14,7 +14,7 @@ ha_release: 0.32
---
The `random` sensor platform is creating random sensor values (integers) out of a given range. This can be useful if you want to test automation rules. It generates a new value every time it is polled.
The `random` sensor platform is creating random sensor values (integers) out of a given range. Returned values form a [discrete uniform distribution](https://en.wikipedia.org/wiki/Discrete_uniform_distribution), meaning that each integer value in the range configured is equally likely to be drawn. This can be useful if you want to test automation rules. It generates a new value every time it is polled.
To enable the random sensor, add the following lines to your `configuration.yaml`: