Machine Learning

Question 1

3 aspects of unsupervised learning

Answer 1

Clustering- grouping of unlabelled data based on similarities or differences
Associations- identfying dependencies or codependencies between items
Dimensionality reduction - data processing and reduction

Question 2

Examples of Clustering (name 2)

Answer 2

Anomaly detection
Social network analysis

Question 3

Example of Dimensionality Reduction (name 3)

Answer 3

Image and video processing
Genetic research
Document classification

Question 4

Supervised Machine Learning aspects (name 2)

Answer 4

Classification- into predefined classes or categories
Regression- forecasts number instead of category

Question 5

Examples of data regression (name 2)

Answer 5

Predicting values ( e.g. a stock)
Energy consumption forecast

Question 6

Examples of classification in an email context (name 2)

Answer 6

Fraud detection
Email spam detection
Language detection
Recognition