ML_WEEK7_QUIZ

What is K-Means clustering primarily used for?

• Classification of labeled data

• Clustering of unlabeled data

• Feature selection

• Anomaly detection

What are common criteria for K-Means to converge? (Select all that apply)

• Maximum number of iterations reached

• No points change their assigned cluster

• Cluster centroids stop moving significantly

• Sum of squared errors (SSE) increases

There are 2 main types of HIERARCHICAL CLUSTERING​, which is agglomerative​ and division.
the key difference between Agglomerative and Division Hierarchical Clustering is,

Agglomerative starts with individual points, while Division starts with one cluster.

• TRUE

• FALSE

Which type of clustering is often used in natural language processing?

• Euclidean Distance

• Manhattan Distance

• Cosine Similarity

• Tension-Vector Similarity

Which of the following is a common linkage criterion used in Hierarchical Clustering? (Select all that apply)

• Single Linkage

• Complete Linkage

• Mean Squared Linkage

• Integration Linkage

In Spectral Clustering, what is the purpose of computing the Graph Laplacian Matrix?

• To randomly assign data points to clusters

• To transform the data into a lower-dimensional space for better clustering

• To determine the number of clusters directly

• To eliminate noise from the dataset before clustering

Which of the following is valid in steps of K-means algorithms?

• Initialization, assignment, update, and convergence.
• Initialization, evaluation, classification, and finalization.
• Selection, classification, evaluation, and termination.
• Clustering, sorting, filtering, and completion.

What is the "AI Overview" feature in Google Search designed to do?

• The 'AI Overview' feature provides concise summaries of information related to search queries.
• It offers personalized recommendations based on user history.
• It provides real-time updates on news articles.
• It generates detailed reports on search trends.

What is the purpose of Google's new AI feature in Gmail?

• To provide smart email response suggestions.

• To organize emails into folders more efficiently.
• To enhance email security features.
• To automatically delete spam emails.

How is Google's TrackInspect program aiming to reduce subway delays?

• By predicting passenger traffic patterns

• By increasing the number of trains during peak hours
• By using AI-equipped smartphones to detect track anomalies

• By automating train scheduling