This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: _____ is a measure of the heterogeneity of observations in a classification tree. a. Sensitivity b. ... (Read 103 times)

soccerdreamer_17

  • Hero Member
  • *****
  • Posts: 552
on: Jun 24, 2018
_____ is a measure of the heterogeneity of observations in a classification tree.
 a. Sensitivity b. Specificity
  c. Accuracy d. Impurity

Question 2

In k-means clustering, k represents the
 a. number of variables.
  b. number of clusters.
  c. number of observations in a cluster.
  d. mean of the cluster.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Liamb2179

  • Sr. Member
  • ****
  • Posts: 365
Reply #1 on: Jun 24, 2018
Answer to Question 1

d
RATIONALE: Impurity is a measure of the heterogeneity of observations in a classification tree.

Answer to Question 2

b
RATIONALE: In -means clustering, k represents the number of clusters.


soccerdreamer_17

  • Member
  • Posts: 552
Reply 2 on: Jun 24, 2018
Gracias!

amit

  • Member
  • Posts: 364
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

The anatomy of a tree trunk. The anatomy of a tree trunk.
The respiratory system. (a) Sagittal section of the head and neck, revealing the organs of the upper The respiratory system. (a) Sagittal section of the head and neck, revealing the organs of the upper
Classification of Antidysrhythmics Classification of Antidysrhythmics
Using a DMM to measure the open-circuit voltage of a battery. Using a DMM to measure the open-circuit voltage of a battery.
phylogenetic tree phylogenetic tree
Tree Rings: Cypress Tree Rings: Cypress
Video: Dissociative Disorders (Part 1)

For a complete list of videos, visit our video library