# `Sidereon.Estimation.AlphaBetaState`
[🔗](https://github.com/neilberkman/sidereon-ex/blob/main/lib/sidereon/estimation.ex#L1)

State of a scalar alpha-beta level and rate estimator.

`:level` is the estimated scalar value and `:rate` is its time derivative in
level units per second when `dt` is in seconds.

# `t`

```elixir
@type t() :: %Sidereon.Estimation.AlphaBetaState{level: float(), rate: float()}
```

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*Consult [api-reference.md](api-reference.md) for complete listing*