The following figure depicts the decision boundary for the logistic regression model built to predict preference for light beer vs. regular beer (PREFERENCE = Light is the success or positive class). The explanatory variables are INCOME and AGE. INCOME has a positive coefficient and AGE has a negative coefficient. Predictions are made based on the depicted decision boundary. Four observations are circled. Match them with the appropriate descriptions. Age (in years) A B C D 100 8 60 40 20 -20 $10 $20 $30 Beer Preference $40 $50 $60 Income (in US$ thousands) L.1-TJ B LJ $70 LAT A False negative True positive True negative False positive $80 $90 ◆ Regular ●Light <

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
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The following figure depicts the decision boundary for the logistic regression model built to predict
preference for light beer vs. regular beer (PREFERENCE = Light is the success or positive class). The
explanatory variables are INCOME and AGE. INCOME has a positive coefficient and AGE has a
negative coefficient. Predictions are made based on the depicted decision boundary. Four
observations are circled. Match them with the appropriate descriptions.
Age (in years)
A
B
C
D
100
80
60
20
0
-20
SE
$10
$20
$30
Beer Preference
$40
$50
$60 $70
Income (in US$ thousands)
L.I.TJ
False negative
True positive
True negative
False positive
$80
LA
$90
Regular
● Light
Transcribed Image Text:The following figure depicts the decision boundary for the logistic regression model built to predict preference for light beer vs. regular beer (PREFERENCE = Light is the success or positive class). The explanatory variables are INCOME and AGE. INCOME has a positive coefficient and AGE has a negative coefficient. Predictions are made based on the depicted decision boundary. Four observations are circled. Match them with the appropriate descriptions. Age (in years) A B C D 100 80 60 20 0 -20 SE $10 $20 $30 Beer Preference $40 $50 $60 $70 Income (in US$ thousands) L.I.TJ False negative True positive True negative False positive $80 LA $90 Regular ● Light
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