Vertex AI Feature Store について学びたいとお考えですか? ML モデルの精度を向上させる方法や、最も有効な特徴を抽出するためのデータ列の見極め方を知りたいとお考えですか？このコースでは、良い特徴と悪い特徴について説明し、それらをモデルで最大限に活用できるように前処理して変換する方法を解説します。また、BigQuery ML、Keras、TensorFlow を使用した特徴量エンジニアリングに関するコンテンツとラボも含まれています。
This course is part of the Machine Learning with TensorFlow Google Cloud 日本語版 Specialization
Feature Engineering 日本語版
About this Course
What you will learn
Vertex AI Feature Store を使用する
Apache Beam と Cloud DataFlow を使用して特徴を前処理する
Skills you will gain
- Language Industry
- Information Seeking Behavior
- Collective Intelligence
- Social Media Mining
We help millions of organizations empower their employees, serve their customers, and build what’s next for their businesses with innovative technology created in—and for—the cloud. Our products are engineered for security, reliability, and scalability, running the full stack from infrastructure to applications to devices and hardware. Our teams are dedicated to helping customers apply our technologies to create success.
Syllabus - What you will learn from this course
Vertex AI Feature Store の概要
このモジュールでは、Vertex AI Feature Store を紹介します。
特徴量エンジニアリングは多くの場合、ML プロジェクトの構築において最も長く、困難なフェーズです。特徴量エンジニアリングのプロセスでは、元データから開始し、独自のドメイン知識を用いて機械学習アルゴリズムを機能させるための特徴を作成します。このモジュールでは、どのような特徴が優れているのか、そして優れた特徴をどのように ML モデルで表現するのかについて確認します。
このモジュールでは、機械学習と統計情報の違いを確認し、BigQuery ML と Keras の両方で特徴量エンジニアリングを実行する方法について説明します。また、高度な特徴量エンジニアリングの演習も行います。
このモジュールでは、Apache Beam を補完する技術である Dataflow について詳しく説明します。Apache Beam と Dataflow 両方とも、前処理や特徴量エンジニアリングを構築して実行するのに役立ちます。
特徴クロス - TensorFlow Playground
TensorFlow Transform の概要
TensorFlow Transform（tf.Transform）は、TensorFlow でデータを前処理するためのライブラリです。tf.Transform は、次のような全走査データを必要とする前処理に便利です。平均値と標準偏差による入力値の正規化、値に対するすべての入力サンプルの確認による語彙の整数値化、観測されたデータの分布に基づく入力のバケット化などです。このモジュールでは、tf.Transform のユースケースを確認します。
About the Machine Learning with TensorFlow Google Cloud 日本語版 Specialization
問題を設定し、勾配降下を使用して適切な解決策を見つけ、データセットを作成する方法について学びます。また、Tensorflow でスケーラブルな分散型機械学習モデルを作成して、これらのモデルのトレーニングを拡張し、高性能な予測ができるようになります。さらに、機械学習（ML）がデータから重要な特質を学習したり、人間による分析を問題に取り入れるように、生データを変換します。最後に、正確で一般化されたモデルを生成し、特定の ML 問題を解決する理論について、および適切なパラメータの組み合わせ方を学びます。まず ML 集中型の戦略の構築から始め、その後 Google Cloud Platform のハンズオンラボを通じてモデルのトレーニング、最適化、本稼働まで、ML に関する手順全体を実習します。
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Last Updated: September 1, 2015
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