> For the complete documentation index, see [llms.txt](https://trizen.gitbook.io/sidef-lang/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://trizen.gitbook.io/sidef-lang/programming_tasks/a/averages/mode.md).

# Mode

```ruby
func mode(array) {
    var c = Hash()
    array.each{|i| c{i} := 0 ++}
    var max = c.values.max
    c.keys.grep{|i| c{i} == max}
}
```

*Calling the function*

```ruby
say mode([1, 3, 6, 6, 6, 6, 7, 7, 12, 12, 17]).join(' ')
say mode([1, 1, 2, 4, 4]).join(' ')
```

#### Output:

```
6
1 4
```

If you just want one mode (instead of all of them), here's a one-liner for that:

```ruby
func one_mode(arr) {
    arr.max_by{|i| arr.count(i)}
}
```