BigQuery ML Tutorial: Step-by-Step Guide With Examples (2024)
Complete BigQuery ML Tutorial
Quick Start Guide
- Prerequisites
- Google Cloud account
- BigQuery access
- Sample dataset
Getting Started with BigQuery ML
Model Types Available
Model Type | Use Case | Example |
---|---|---|
Linear Regression | Numeric prediction | Housing prices |
Logistic Regression | Binary classification | Customer churn |
XGBoost | Complex patterns | Fraud detection |
Deep Neural Networks | Image/text analysis | Sentiment analysis |
Basic Model Creation
CREATE OR REPLACE MODEL `project.dataset.churn_model`
OPTIONS(
model_type='logistic_reg',
input_label_cols=['churned']
) AS
SELECT
churned,
tenure,
monthly_charges,
total_charges,
contract_type
FROM
`project.dataset.customer_data`
WHERE
churned IS NOT NULL;
Model Evaluation
SELECT
*
FROM
ML.EVALUATE(MODEL `project.dataset.churn_model`);
Best Practices
Data Preparation
- Handle missing values
- Normalize features
- Split train/test data
Model Optimization
- Use early stopping
- Implement cross-validation
- Monitor training metrics
Resources
Note: Features and syntax are current as of February 2024. Check documentation for updates.