Exploring and preprocessing data for machine learning involves understanding what data is available, cleaning it, and preparing it so models can learn from it effectively. In GCP, teams use services like BigQuery to explore large datasets, Cloud Storage to store raw data files, and Dataflow to transform data at scale. Data exploration typically starts with understanding the data's structure, checking for missing values, and identifying patterns that might affect model performance. Preprocessing steps include normalizing numerical values, encoding categorical variables, splitting data into training and testing sets, and handling outliers. Collaboration is essential here because data engineers, data scientists, and domain experts must agree on what the data represents and how it should be prepared. Versioning datasets using tools like Vertex AI Feature Store ensures that everyone on the team works with the same data version, preventing inconsistencies when training models.
Model prototyping using notebooks allows data scientists to experiment with different machine learning approaches quickly and interactively. GCP provides Gemini Enterprise Agent Platform Workbench (formerly Vertex AI Workbench) and Colab Enterprise as notebook environments that come pre-installed with popular ML libraries such as TensorFlow, PyTorch, and scikit-learn. These notebooks run on virtual machines in the cloud, so team members do not need to set up local development environments. Notebooks support collaborative features like real-time editing, commenting, and version control integration, making it easier for team members to review each other's work. Prototyping typically involves loading data, trying different algorithms, tuning hyperparameters, and evaluating results visually through charts and graphs. The ability to switch between different compute resources—from small instances for quick experiments to powerful GPUs for intensive training—helps teams iterate faster while managing costs effectively.
Tracking and running ML experiments involves recording every detail of model development so teams can reproduce results and compare different approaches systematically. Vertex AI Experiments automatically logs parameters, metrics, artifacts, and code versions each time a model is trained, creating a complete audit trail. This tracking enables teams to answer questions like which hyperparameters produced the best results or why a model performed differently on another day. Experiments can be run manually through notebooks or automated through Vertex AI Pipelines, which orchestrate multi-step workflows using containers. Pipelines ensure that every run follows the same steps in the same order, reducing human error and making it easier to scale from prototype to production. Collaboration improves when teams adopt naming conventions for experiments, share best practices for logging metrics, and use centralized dashboards to view results across the organization. Proper experiment tracking transforms ML development from isolated trial-and-error into a structured, reproducible process that the entire team can trust.
Professional Machine Learning Engineer
Prepare and test your skills
Prepare and test your skills
BigQuery is used to explore large datasets, Cloud Storage stores raw data files, and Dataflow handles data transformations at scale. Teams also use Vertex AI Feature Store to version datasets, ensuring all collaborators work with the same data snapshot to prevent inconsistencies.
Gemini Enterprise Agent Platform Workbench and Colab Enterprise provide cloud-hosted notebook environments with built-in real-time editing, commenting, and version control integration. They run on cloud virtual machines pre-installed with popular machine learning libraries and allow users to switch seamlessly between small instances and powerful GPUs.
Vertex AI Experiments automatically logs parameters, metrics, artifacts, and code versions during training runs to build a complete audit trail. This recorded history enables teams to systematically compare different machine learning approaches and pinpoint which hyperparameters produced the best results.