Title
9 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the Elbow point in an Elbow plot?

  • The point where each point is in a separate cluster.
  • The point where all points are in one cluster.
  • The point where WCSS rapidly changes, creating an elbow shape (correct)
  • The point where WCSS starts to move almost parallel to the X-axis.

What is the main issue when we do not know K in K-means algorithm?

  • Need to determine the number of iterations
  • Need to determine the cost function
  • Need to determine the optimum clustering (correct)
  • Need to determine the number of clusters

What is the significance of the Elbow point in the Elbow plot?

  • It marks the highest value of WCSS.
  • It marks the point where the WCSS starts to increase rapidly.
  • It marks the point where WCSS starts to move almost parallel to the X-axis. (correct)
  • It indicates the lowest value of K.

What is the optimal K value in an Elbow plot?

<p>The K value corresponding to the Elbow point. (C)</p> Signup and view all the answers

What is the best method to determine the optimum value of K?

<p>Elbow plot/method (A)</p> Signup and view all the answers

What happens when K=N in the Elbow plot?

<p>Each point is in a separate cluster. (D)</p> Signup and view all the answers

What is the cost function for each clustering in K-means algorithm?

<p>Determining the sum of squared distances (D)</p> Signup and view all the answers

At what value of K is the WCSS the largest in the Elbow plot?

<p>K=1 (D)</p> Signup and view all the answers

What happens to WCSS as K increases in an Elbow plot?

<p>WCSS decreases. (D)</p> Signup and view all the answers

Study Notes

Studying That Suits You

Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

Quiz Team

Description

Sure, what is the topic of the quiz?

More Like This

TITLE Boxing Club FAQ Quiz
43 questions

TITLE Boxing Club FAQ Quiz

GladLepidolite6058 avatar
GladLepidolite6058
Title IX and Chapters 1-2 Flashcards
49 questions
Title VII Civil Rights Act Quiz
22 questions
Use Quizgecko on...
Browser
Browser