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323 lines
9.8 KiB
323 lines
9.8 KiB
{
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"cells": [
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{
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"cell_type": "markdown",
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"source": [
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"# Ciencia de Datos en la Nube: El camino del \"Azure ML SDK\"\n",
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"\n",
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"## Introducción\n",
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"\n",
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"En este cuaderno, aprenderemos cómo usar el Azure ML SDK para entrenar, desplegar y consumir un modelo a través de Azure ML.\n",
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"\n",
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"Requisitos previos:\n",
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"1. Has creado un espacio de trabajo de Azure ML.\n",
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"2. Has cargado el [conjunto de datos de Insuficiencia Cardíaca](https://www.kaggle.com/andrewmvd/heart-failure-clinical-data) en Azure ML.\n",
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"3. Has subido este cuaderno a Azure ML Studio.\n",
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"\n",
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"Los siguientes pasos son:\n",
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"\n",
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"1. Crear un Experimento en un Espacio de Trabajo existente.\n",
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"2. Crear un clúster de Computación.\n",
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"3. Cargar el conjunto de datos.\n",
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"4. Configurar AutoML usando AutoMLConfig.\n",
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"5. Ejecutar el experimento de AutoML.\n",
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"6. Explorar los resultados y obtener el mejor modelo.\n",
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"7. Registrar el mejor modelo.\n",
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"8. Desplegar el mejor modelo.\n",
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"9. Consumir el endpoint.\n",
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"\n",
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"## Importaciones específicas del SDK de Azure Machine Learning\n"
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],
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"metadata": {}
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"source": [
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"from azureml.core import Workspace, Experiment\n",
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"from azureml.core.compute import AmlCompute\n",
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"from azureml.train.automl import AutoMLConfig\n",
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"from azureml.widgets import RunDetails\n",
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"from azureml.core.model import InferenceConfig, Model\n",
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"from azureml.core.webservice import AciWebservice"
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],
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"outputs": [],
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"metadata": {}
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},
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{
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"cell_type": "markdown",
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"source": [
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"## Inicializar el Espacio de Trabajo\n",
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"Inicializa un objeto de espacio de trabajo a partir de la configuración guardada. Asegúrate de que el archivo de configuración esté presente en .\\config.json\n"
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],
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"metadata": {}
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"source": [
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"ws = Workspace.from_config()\n",
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"print(ws.name, ws.resource_group, ws.location, ws.subscription_id, sep = '\\n')"
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],
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"outputs": [],
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"metadata": {}
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},
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{
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"cell_type": "markdown",
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"source": [
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"## Crear un experimento de Azure ML\n",
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"\n",
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"Vamos a crear un experimento llamado 'aml-experiment' en el espacio de trabajo que acabamos de inicializar.\n"
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],
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"metadata": {}
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"source": [
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"experiment_name = 'aml-experiment'\n",
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"experiment = Experiment(ws, experiment_name)\n",
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"experiment"
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],
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"outputs": [],
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"metadata": {}
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},
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{
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"cell_type": "markdown",
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"source": [
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"## Crear un Clúster de Cómputo\n",
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"Necesitarás crear un [destino de cómputo](https://docs.microsoft.com/azure/machine-learning/concept-azure-machine-learning-architecture#compute-target) para tu ejecución de AutoML.\n"
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],
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"metadata": {}
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"source": [
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"aml_name = \"heart-f-cluster\"\n",
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"try:\n",
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" aml_compute = AmlCompute(ws, aml_name)\n",
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" print('Found existing AML compute context.')\n",
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"except:\n",
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" print('Creating new AML compute context.')\n",
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" aml_config = AmlCompute.provisioning_configuration(vm_size = \"Standard_D2_v2\", min_nodes=1, max_nodes=3)\n",
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" aml_compute = AmlCompute.create(ws, name = aml_name, provisioning_configuration = aml_config)\n",
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" aml_compute.wait_for_completion(show_output = True)\n",
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"\n",
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"cts = ws.compute_targets\n",
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"compute_target = cts[aml_name]"
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],
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"outputs": [],
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"metadata": {}
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},
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{
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"cell_type": "markdown",
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"source": [
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"## Datos\n",
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"Asegúrate de haber subido el conjunto de datos a Azure ML y de que la clave tenga el mismo nombre que el conjunto de datos.\n"
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],
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"metadata": {}
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"source": [
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"key = 'heart-failure-records'\n",
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"dataset = ws.datasets[key]\n",
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"df = dataset.to_pandas_dataframe()\n",
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"df.describe()"
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],
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"outputs": [],
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"metadata": {}
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},
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{
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"cell_type": "markdown",
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"source": [
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"## Configuración de AutoML\n"
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],
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"metadata": {}
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"source": [
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"automl_settings = {\n",
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" \"experiment_timeout_minutes\": 20,\n",
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" \"max_concurrent_iterations\": 3,\n",
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" \"primary_metric\" : 'AUC_weighted'\n",
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"}\n",
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"\n",
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"automl_config = AutoMLConfig(compute_target=compute_target,\n",
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" task = \"classification\",\n",
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" training_data=dataset,\n",
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" label_column_name=\"DEATH_EVENT\",\n",
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" enable_early_stopping= True,\n",
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" featurization= 'auto',\n",
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" debug_log = \"automl_errors.log\",\n",
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" **automl_settings\n",
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" )"
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],
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"outputs": [],
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"metadata": {}
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},
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{
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"cell_type": "markdown",
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"source": [
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"## Ejecución de AutoML\n"
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],
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"metadata": {}
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"source": [
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"remote_run = experiment.submit(automl_config)"
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],
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"outputs": [],
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"metadata": {}
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"source": [
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"RunDetails(remote_run).show()"
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],
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"outputs": [],
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"metadata": {}
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},
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{
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"cell_type": "markdown",
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"source": [],
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"metadata": {}
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"source": [
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"best_run, fitted_model = remote_run.get_output()"
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],
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"outputs": [],
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"metadata": {}
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"source": [
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"best_run.get_properties()"
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],
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"outputs": [],
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"metadata": {}
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"source": [
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"model_name = best_run.properties['model_name']\n",
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"script_file_name = 'inference/score.py'\n",
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"best_run.download_file('outputs/scoring_file_v_1_0_0.py', 'inference/score.py')\n",
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"description = \"aml heart failure project sdk\"\n",
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"model = best_run.register_model(model_name = model_name,\n",
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" description = description,\n",
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" tags = None)"
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],
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"outputs": [],
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"metadata": {}
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},
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{
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"cell_type": "markdown",
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"source": [
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"## Desplegar el Mejor Modelo\n",
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"\n",
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"Ejecuta el siguiente código para desplegar el mejor modelo. Puedes ver el estado del despliegue en el portal de Azure ML. Este paso puede tardar unos minutos.\n"
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],
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"metadata": {}
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"source": [
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"inference_config = InferenceConfig(entry_script=script_file_name, environment=best_run.get_environment())\n",
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"\n",
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"aciconfig = AciWebservice.deploy_configuration(cpu_cores = 1,\n",
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" memory_gb = 1,\n",
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" tags = {'type': \"automl-heart-failure-prediction\"},\n",
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" description = 'Sample service for AutoML Heart Failure Prediction')\n",
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"\n",
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"aci_service_name = 'automl-hf-sdk'\n",
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"aci_service = Model.deploy(ws, aci_service_name, [model], inference_config, aciconfig)\n",
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"aci_service.wait_for_deployment(True)\n",
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"print(aci_service.state)"
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],
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"outputs": [],
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"metadata": {}
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},
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{
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"cell_type": "markdown",
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"source": [
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"## Consumir el Endpoint\n",
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"Puedes agregar entradas al siguiente ejemplo de entrada.\n"
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],
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"metadata": {}
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"source": [
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"data = {\n",
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" \"data\":\n",
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" [\n",
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" {\n",
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" 'age': \"60\",\n",
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" 'anaemia': \"false\",\n",
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" 'creatinine_phosphokinase': \"500\",\n",
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" 'diabetes': \"false\",\n",
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" 'ejection_fraction': \"38\",\n",
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" 'high_blood_pressure': \"false\",\n",
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" 'platelets': \"260000\",\n",
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" 'serum_creatinine': \"1.40\",\n",
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" 'serum_sodium': \"137\",\n",
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" 'sex': \"false\",\n",
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" 'smoking': \"false\",\n",
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" 'time': \"130\",\n",
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" },\n",
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" ],\n",
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"}\n",
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"\n",
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"test_sample = str.encode(json.dumps(data))"
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],
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"outputs": [],
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"metadata": {}
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"source": [
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"response = aci_service.run(input_data=test_sample)\n",
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"response"
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],
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"outputs": [],
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"metadata": {}
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"\n---\n\n**Descargo de responsabilidad**: \nEste documento ha sido traducido utilizando el servicio de traducción automática [Co-op Translator](https://github.com/Azure/co-op-translator). Si bien nos esforzamos por garantizar la precisión, tenga en cuenta que las traducciones automatizadas pueden contener errores o imprecisiones. El documento original en su idioma nativo debe considerarse la fuente autorizada. Para información crítica, se recomienda una traducción profesional realizada por humanos. No nos hacemos responsables de malentendidos o interpretaciones erróneas que puedan surgir del uso de esta traducción.\n"
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]
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}
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],
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