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323 lines
9.6 KiB
323 lines
9.6 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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"# Data Science v cloude: Cesta \"Azure ML SDK\"\n",
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"\n",
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"## Úvod\n",
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"\n",
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"V tomto notebooku sa naučíme, ako používať Azure ML SDK na trénovanie, nasadenie a používanie modelu prostredníctvom Azure ML.\n",
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"\n",
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"Predpoklady:\n",
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"1. Vytvorili ste pracovný priestor Azure ML.\n",
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"2. Načítali ste [dataset Heart Failure](https://www.kaggle.com/andrewmvd/heart-failure-clinical-data) do Azure ML.\n",
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"3. Nahodili ste tento notebook do Azure ML Studio.\n",
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"\n",
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"Ďalšie kroky sú:\n",
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"\n",
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"1. Vytvoriť experiment v existujúcom pracovnom priestore.\n",
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"2. Vytvoriť výpočtový klaster.\n",
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"3. Načítať dataset.\n",
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"4. Nastaviť AutoML pomocou AutoMLConfig.\n",
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"5. Spustiť experiment AutoML.\n",
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"6. Preskúmať výsledky a získať najlepší model.\n",
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"7. Zaregistrovať najlepší model.\n",
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"8. Nasadiť najlepší model.\n",
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"9. Použiť endpoint.\n",
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"\n",
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"## Špecifické importy pre Azure Machine Learning SDK\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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"## Inicializácia pracovného priestoru \n",
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"Inicializujte objekt pracovného priestoru z uloženého nastavenia. Uistite sa, že konfiguračný súbor je prítomný v .\\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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"## Vytvorenie experimentu Azure ML\n",
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"\n",
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"Vytvorme experiment s názvom 'aml-experiment' v pracovnom priestore, ktorý sme práve inicializovali.\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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"## Vytvorenie výpočtového klastru\n",
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"Budete musieť vytvoriť [výpočtový cieľ](https://docs.microsoft.com/azure/machine-learning/concept-azure-machine-learning-architecture#compute-target) pre váš beh 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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"## Dáta\n",
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"Uistite sa, že ste nahrali dataset do Azure ML a že kľúč má rovnaký názov ako dataset.\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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"## Konfigurácia 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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"## Spustenie 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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"## Nasadenie najlepšieho modelu\n",
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"\n",
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"Spustite nasledujúci kód na nasadenie najlepšieho modelu. Stav nasadenia môžete vidieť v Azure ML portáli. Tento krok môže trvať niekoľko minút.\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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"## Použitie koncového bodu\n",
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"Môžete pridať vstupy do nasledujúcej ukážky vstupu.\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**Upozornenie**: \nTento dokument bol preložený pomocou služby na automatický preklad [Co-op Translator](https://github.com/Azure/co-op-translator). Hoci sa snažíme o presnosť, upozorňujeme, že automatické preklady môžu obsahovať chyby alebo nepresnosti. Pôvodný dokument v jeho pôvodnom jazyku by mal byť považovaný za autoritatívny zdroj. Pre kritické informácie sa odporúča profesionálny ľudský preklad. Nezodpovedáme za akékoľvek nedorozumenia alebo nesprávne interpretácie vyplývajúce z použitia tohto prekladu.\n"
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]
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}
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],
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