## DataSampler class  
**Signature:**  
```typescript  
export declare class DataSampler  
```

## Constructors

| Constructor | Modifiers | Description |  
| --- | --- | --- |  
| [(constructor)(opts)](/content/docs/sdk/core.datasampler._constructor_/index.html) |  | Constructs a new instance of the `DataSampler` class |

## Methods

| Method | Modifiers | Description |  
| --- | --- | --- |  
| [addData(data)](/content/docs/sdk/core.datasampler.adddata) |  |  |  
| [addObservation(obs)](/content/docs/sdk/core.datasampler.addobservation) |  |  |  
| [summarize(code, fn)](/content/docs/sdk/core.datasampler.summarize) |  |  |

- [DataSampler class](/content/docs/sdk/core.datasampler#datasampler-class/index.html)  
- [Constructors](/content/docs/sdk/core.datasampler#constructors/index.html)  
- [Methods](/content/docs/sdk/core.datasampler#methods/index.html)