> ## Documentation Index
> Fetch the complete documentation index at: https://help.impactu.colav.co/llms.txt
> Use this file to discover all available pages before exploring further.

# H-index of research groups

> H-index of research groups.

H-index of research groups. Chart type: **Pie**.

## Parameters

**affiliation\_type** `string` *required*

Affiliation type. This indicator returns data for: `institution`, `faculty`, `department`.

**affiliation\_id** `string` *required*

Affiliation identifier.

**plot** `string` *required*

Must be `h_index_by_research_group`.

It also accepts the [product filters](https://help.impactu.colav.co/en/api-reference/affiliation/get-research-products.md). `max`, `page` and `sort` do not apply.

## Availability by affiliation type

| `affiliation_type` | Data |
| - | - |
| `institution` | ✅ |
| `faculty` | ✅ |
| `department` | ✅ |
| `group` | No data |

## Response

```json Institution theme={null}
{
  "plot": [
    {
      "name": "Grupo de Fenomenologia de Interacciones Fundamentales",
      "percentage": 1.69,
      "value": 86
    },
    {
      "name": "Grupo de Neurociencias de Antioquia",
      "percentage": 1.51,
      "value": 77
    },
    {
      "name": "Errores Innatos de la Inmunidad (Inmunodeficiencias Primarias)",
      "percentage": 1.26,
      "value": 64
    },
    {
      "name": "Programa de Estudio y Control de Enfermedades Tropicales PECET",
      "percentage": 1.24,
      "value": 63
    }
  ],
  "sum": 5083
}
```

```json Faculty theme={null}
{
  "plot": [
    {
      "name": "Grupo Neuropsicología y Conducta",
      "percentage": 14.72,
      "value": 44
    },
    {
      "name": "Grupo de investigación en psicologia cognitiva",
      "percentage": 4.68,
      "value": 14
    },
    {
      "name": "Cultura, Violencia y Territorio",
      "percentage": 4.35,
      "value": 13
    },
    {
      "name": "Grupo de Educación en Ciencias Experimentales y Matemáticas - GECEM",
      "percentage": 4.01,
      "value": 12
    }
  ],
  "sum": 299
}
```

```json Department theme={null}
{
  "plot": [
    {
      "name": "Grupo de Investigación Clínica en Enfermedades del Niño y del Adolescente - Pediaciencias",
      "percentage": 55.29,
      "value": 47
    },
    {
      "name": "Cultura, Violencia y Territorio",
      "percentage": 15.29,
      "value": 13
    },
    {
      "name": "Comunicación, Periodismo y Sociedad",
      "percentage": 5.88,
      "value": 5
    },
    {
      "name": "Estudios Literarios ",
      "percentage": 5.88,
      "value": 5
    }
  ],
  "sum": 85
}
```


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