Isye 641 - Study guides, Class notes & Summaries
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ISYE 6414 - ALL UNITS COMPLETELY SOLVED GRADED A 2024
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response (dependent) variables - one particular variable that we are interested in understanding or modeling (y) 
 
predicting or explanatory (independent) variables - a set of other variables that might be useful in predicting or modeling the response variable (x1, x2) 
 
What kind of variable is a response variable and why? - random, because it varies with changes in the predictor/s along with other random changes. 
 
What kind of variable is a predicting variable and why? - fixed, because it ...
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ISYE 6414 FINAL EXAM REVIEW QUESTIONS AND 100% CORRECT ANSWERS 2024
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ISYE 6414 FINAL EXAM REVIEW QUESTIONS AND 100% CORRECT ANSWERS 2024
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ISYE 6414 REGRESSION MIDTERM 1 REAL EXAM 2023/2024
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ISYE 6414 
REGRESSION 
MIDTERM 1 REAL 
EXAM 2023/2024 
What are the variables in regression? -CORRECT ANSWER1. Response (dependent) variable - one particular variable that we are interested in 
understanding or modelling, such as sales of a particular product. 
2. Predicting or Explanatory (independent) variable - set of other variables that we 
think might be useful in predicting or modelling the response variable (like the 
price of a product) 
Which regression variable is a Random variabl...
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ISYE 6414 REGRESSION MIDTERM 2 REAL EXAM QUESTIONS WITH VERIFIED ANSWERS LATEST UPDATE 2023/2024
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ISYE 6414 
REGRESSION 
MIDTERM 2 REAL 
EXAM QUESTIONS 
WITH VERIFIED 
ANSWERS LATEST 
UPDATE 2023/2024 
In logistic regression, the relationship between the probability of success and the 
predicting variables is nonlinear. --CORRECT ANSWER--> TRUE: The equation 
that links the predictors to the probability is: 

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ISYE 6414 Final Exam – Part 1 Solutions | All Answers are Correct
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Final Exam – Part 1 Solutions 
1. We should always use mean squared error to determine the best value of lambda in lasso 
regression. 
a. True 
b. False 
Sol: False. The criterion used is a choice we make. 
2. Standard linear regression is an example of a generalized linear model where the response is 
normally distributed and the link is the identity function. 
a. True 
b. False 
Sol: True. See Unit 4.4.1. 
3. Goodness-of-fit assessment for logistic regression involves checking for the indepe...
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ISYE 6414 Final Exam with complete solutions
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True - The relationship that links the predictors is highly non-linear. - Answer- In Logistic Regression, the relationship between the probability of success and the predicting variables is non-linear. 
 
False - In logistic regression, there are no error terms. - Answer- In Logistic Regression, the error terms follow a normal distribution. 
 
True - the logit function is also known as the log-odds function, which is the ln(P/1-p). - Answer- The logit function is the log of the ratio of the prob...
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ISYE 6414 - UNIT 4, ISYE 6414 - UNIT 5 EXAM 2024 WITH 100 PERCENT ACCURATE SOLUTIONS
- Exam (elaborations) • 32 pages • 2024
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ISYE 6414 - UNIT 4, ISYE 6414 - UNIT 5 EXAM 2024 WITH 100 PERCENT ACCURATE SOLUTIONS 
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ISYE 6414 Midterm Cheat Sheet | Download to Score A+
- Exam (elaborations) • 3 pages • 2023
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ISYE 6414 Midterm Cheat Sheet | Download to Score A+
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ISYE 6414 - UNIT 4 EXAM 2024 WITH 100% ACCURATE SOLUTIONS
- Exam (elaborations) • 23 pages • 2024
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ISYE 6414 - UNIT 4 EXAM 2024 WITH 100% ACCURATE SOLUTIONS 
 Ace Your Exams with YANCHYSTUVIA! 
 
Are exams, assignments, and projects stressing you out? Say goodbye to academic anxiety with Yanchy – your ultimate online study buddy! 
 
 Why Choose Yanchy? 
 
 Expert Test Prep: Get access to comprehensive study guides, practice exams, and tips from top educators to boost your test scores. 
 
 Assignment Assistance: Struggling with assignments? Our experts are here to help you understand and co...
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ISYE 6414 - Unit 4, ISYE 6414 - Unit 5 || Already Passed.
- Exam (elaborations) • 14 pages • 2024
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Logistic regression, we model the__________________, not the response variable, given the predicting variables. correct answers probability of a success 
 
g link function correct answers link the probability of success to the predicting variables 
 
3 assumptions of the logistic regression model correct answers Linearity, Independence, Logit link function 
 
Logistic Model: Linearity assumption correct answers Similar to the regression model we have learned in the previous lectures, the relatio...
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