> Documentation index: https://www.gooddata.ai/docs/gooddata-ui/llms.txt lists every page of these docs as Markdown.

# IPreviousPeriodDateDataSet

- Package: [@gooddata/sdk-model](https://www.gooddata.ai/docs/gooddata-ui/latest/api-reference/sdk-model/index.md)
- Kind: interface
- Source: https://github.com/gooddata/gooddata-ui-sdk/blob/rel/11.64/libs/sdk-model/src/execution/measure/index.ts

This is used to specify previous period.

**Signature:**

```typescript
export interface IPreviousPeriodDateDataSet 
```

## Remarks

Previous period is current time period shifted forward or backward one or more times. The current time period is calculated from filter setting for the provided date data set.

## Properties

| Property | Modifiers | Type | Description |
| --- | --- | --- | --- |
| [dataSet](https://www.gooddata.ai/docs/gooddata-ui/latest/api-reference/sdk-model/sdk-model.ipreviousperioddatedataset/index.md#ipreviousperioddatedatasetdataset) |  | [ObjRef](https://www.gooddata.ai/docs/gooddata-ui/latest/api-reference/sdk-model/sdk-model.objref/index.md) |  |
| [periodsAgo](https://www.gooddata.ai/docs/gooddata-ui/latest/api-reference/sdk-model/sdk-model.ipreviousperioddatedataset/index.md#ipreviousperioddatedatasetperiodsago) |  | number |  |

## Property details

### IPreviousPeriodDateDataSet.dataSet

**Signature:**

```typescript
dataSet: ObjRef;
```

### IPreviousPeriodDateDataSet.periodsAgo

**Signature:**

```typescript
periodsAgo: number;
```