# Aggregate

* [`groupBy`](#groupby)
* [`min`](#min)
* [`max`](#max)
* [`mean`](#mean)
* [`sum`](#sum)

You can check the module import [`here`](https://fknop.gitbook.io/angular-pipes/documentation/modules).

## groupBy

Returns the groupped data of the given array.

### File

```typescript
import { NgGroupByPipeModule } from 'angular-pipes';
```

### Usage

```javascript
const values = [
  { name: 'a', prop: 'foo' },
  { name: 'b', prop: 'bar' },
  { name: 'c', prop: 'bar' },
  { name: 'd', prop: 'foo' },
];
```

```markup
{{ values | groupBy: 'prop' }}
<!--
    [
        {key: foo, value: Array[2]},
        {key: bar, value: Array[2]}
    ]
-->
```

## min

Returns the minimum of the given array.

### File

```typescript
import { NgMinPipeModule } from 'angular-pipes';
```

### Usage

```markup
{{ [5, 4, 1, 9] | min }}
<!-- 1 -->
```

## max

Returns the maximum of the given array.

### File

```typescript
import { NgMaxPipeModule } from 'angular-pipes';
```

### Usage

```markup
{{ [5, 4, 1, 9] | max }}
<!-- 9 -->
```

## mean

Returns the mean of the given array.

### File

```typescript
import { NgMeanPipeModule } from 'angular-pipes';
```

### Usage

```markup
{{ [5, 5, 1, 9] | mean }}
<!-- 5 -->
```

## sum

Returns the sum of the given array.

### File

```typescript
import { NgSumPipeModule } from 'angular-pipes';
```

### Usage

```markup
{{ [5, 5, 1, 9] | sum }}
<!-- 20 -->
```