# Reorder Columns (DP\_ROC)

Reordering columns is a fundamental data preprocessing step that can be achieved using various programming tools and libraries, such as pandas in Python. This operation is particularly valuable when dealing with datasets that have a large number of columns, as it helps streamline data analysis workflows and enhances data clarity.

The procedure usually involves specifying the desired order of columns, often by providing a list or defining the new column order. Libraries like pandas offer functions like `reorder_columns` that take the specified order as an input and generate a new dataframe with columns rearranged accordingly.

In practical scenarios, reordering columns can be employed for tasks like bringing essential information to the forefront, grouping related columns together, or ensuring a more intuitive flow of data. For instance, in a financial dataset, one might reorder columns to arrange date-related columns in chronological order, followed by transactional details, and then supplementary information.

## Sample Request

```javascript
{
    "project_id": 1,
    "parent_id": 5,
    "block_id": 6,
    "function_code": "DP_ROC",
    "args": {
        "column": 1,
        "posititon": 3,
        "dataset": false,
        "xtrain": true,
        "xtest": true,
        "x": true,
        "ytrain": false,
        "ytest": false,
        "y": false
    }
}
```

## Request Parameters

## Reorder Columns

<mark style="color:green;">`POST`</mark> `https://autogon.ai/api/v1/engine/start`

#### Request Body

| Name                                             | Type   | Description                           |
| ------------------------------------------------ | ------ | ------------------------------------- |
| project\_id<mark style="color:red;">\*</mark>    | int    | current project ID                    |
| parent\_id<mark style="color:red;">\*</mark>     | int    | parent block ID                       |
| block\_id<mark style="color:red;">\*</mark>      | int    | current block ID                      |
| function\_code<mark style="color:red;">\*</mark> | String | block's function code                 |
| args                                             | object | block arguments                       |
| position<mark style="color:red;">\*</mark>       | int    | specifies new position in the dataset |
| column<mark style="color:red;">\*</mark>         | int    | specifies column to move              |

{% tabs %}
{% tab title="200: OK Data Encode Successful" %}

```javascript
{
    "status": "true",
    "message": {
        "id": 3,
        "project": 1,
        "block_id": 7,
        "parent_id": 6,
        "dataset_url": "",
        "x_value_url": "",
        "y_value_url": ""
    }
}
```

{% endtab %}
{% endtabs %}

{% tabs %}
{% tab title="Python" %}

```
// Some code
```

{% endtab %}

{% tab title="Node" %}

```
```

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{% endtabs %}