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BigQuery for Data Warehousing - Coggle Diagram
BigQuery for Data Warehousing
Part VI: Enhancing Your Data's Potential
Chapter 19: BigQuery ML
Background
Artificial Intelligence
Computer to do human like stuff
Machine Learning
Use data to predict or classify
Statistics
More on why the data looks the way it looks, ML models are built to produce outputs
Ethics
Implicit Bias
Disparate impact
Responsibility
BigQuery ML Concepts
Cost
Supervised vs Unsupervised Learning
Supervised
Labelled data
Input
Desired Output
Regression
80% Training, 20% Validation
Another testing split with data is also typical
Unbiased data the model does not see at all
Unsupervised
No labelled data
Coz no specific desired outcome
Search and extract relationships
then produces clusters or detect anamalies
BQML natively supports k-means clustering
Useful in identifying patterns that are unseen to human observers
Model Types
Procedure
Examples
K-Means Clustering
Data Classification
Summary
Intro
ML with SQL
Future - Crossover between Data Science and Traditional BI