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Convertir datos tabulares en redes semánticas

Project description

redsem

Funcionalidades para convertir datos tabulares en redes semánticas

Documentación

Por el momento la documentación se encuentra en este sitio

Instalación

pip install redsem

Uso

Prepación de datos

import redsem
import pandas as pd
import networkx as nx
datos = pd.read_csv('datos.csv')
df = redsem.filtrar_primeras_posiciones(datos, ultima_posicion=3)
red = nx.from_pandas_edgelist(datos,
                                source='estimulo',
                                target='palabra_limpia',
                                edge_attr=['frecuencia_total', 'parte_del_habla'])

Primero se señala las particiones en estímulos y palabras respuestas.

mapeo_bipartita = {nodo: 'estimulo' if nodo.endswith('_semilla') else 'respuesta' for nodo in red.nodes()}
nx.set_node_attributes(red, mapeo_bipartita, 'bipartita')

Ahora se establece los atributos.

columnas_atributos = ('frecuencia_total', 'estimulo', 'frecuencia_palabra_estimulo')
df_atributos = datos.set_index('palabra_limpia')[columnas_atributos]
atributos_dic = {}
for col in df_atributos.columns:
    atributos_nodos = df_atributos[col].to_dict()
    atributos_dic[col] = atributos_nodos
    nx.set_node_attributes(grafo, atributos_nodos, col)

Análisis de redes

import redsem

covid = redsem.proyectar_red_por_estimulos(red, 'covid_semilla')
nx.export('covid.gexf', covid)

covid_dieta = redsem.proyectar_red_por_estimulos(red, 'covid_semilla', 'dieta_semilla')
nx.export('covid_dieta.gexf', covid_dieta)

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