Answered: 1. The elbow diagram can help us to…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

See similar textbooks

Related questions

Question

1. The elbow diagram can help us to know which of the following?

Group of answer choices

a) best K for K Means

b) best PCs for PCA

c) Precision

d) Recall

2. Does agglomerative hierarchal clustering depend on which of the following?

Group of answer choices

a) depends on distance between clusters

b) depends on number of labels

c) depends on accuracy of the model

d) depends on sensitivity of the model

3. In the dendogram for agglomerative hierarchal clustering the number of clusters.................. by going from bottom to up.

Group of answer choices

a) decrease

b) increase

c) increase and decrease

d) decrease and then increase

4. PCA can do which of the following?

Group of answer choices

a) reduce dimensions

b) feature selection

c) reduce computation

d) simplify visualizations

e) all of the above

5. The line that the vectors act on is called

Group of answer choices

a) Span

b) Matrix

c) Tensor

d) Vector

Expert Solution

Step 1

Disclaimer:

“Since you have posted multiple questions, we will provide the solution only to the first question as per our Q&A guidelines. Please repost the remaining questions separately.”

Machine Learning:

Machine learning is a subfield of artificial intelligence that involves developing algorithms and statistical models to enable computers to learn and make predictions or decisions based on data, without being explicitly programmed to perform these tasks.

Trending now

This is a popular solution!

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.

Similar questions