Isye 6501 Study guides, Class notes & Summaries
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![ISYE 6501 Midterm 1 EXAM QUESTIONS WITH 100% SOLUTIONS LATEST UPDATE 2023/2024](/docpics/3579429/65224719763c5_3579429_121_171.jpeg)
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ISYE 6501 Midterm 1 EXAM QUESTIONS WITH 100% SOLUTIONS LATEST UPDATE 2023/2024
- Exam (elaborations) • 6 pages • 2023
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ISYE 6501 Midterm 1 EXAM 
QUESTIONS WITH 100% 
SOLUTIONS LATEST UPDATE 
2023/2024 
True or false: In a regression tree, every leaf of the tree has a different regression 
model that might use different attributes, have different coefficients, etc. - ANSWER 
True 
- Each leaf's individual model is tailored to the subset of data points that follow all of the 
branches leading to the leaf. 
True or false: Tree-based approaches can be used for other models besides regression. 
- ANSWER True 
...
![ISYE 6501 - Midterm 1 Exam 2023| Correct Questions & Answers| Verified 100](/docpics/2919592/648f6162aa2dd_2919592_121_171.jpeg)
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ISYE 6501 - Midterm 1 Exam 2023| Correct Questions & Answers| Verified 100
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What do descriptive questions ask? - ANSWERSWhat happened? (e.g., which customers are most alike) 
 
What do predictive questions ask? - ANSWERSWhat will happen? (e.g., what will Google's stock price be?) 
 
What do prescriptive questions ask? - ANSWERSWhat action(s) would be best? (e.g., where to put traffic lights) 
 
What is a model? - ANSWERSReal-life situation expressed as math. 
 
What do classifiers help you do? - ANSWERSdifferentiate 
 
What is a soft classifier and when is it used? - AN...
ISYE 6501 Final Exam Actual Questions and Answers with complete solution
![ISYE 6501 - Midterm 2 Questions And Answers](/docpics/642c5185b4aa4_2553161.jpg)
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ISYE 6501 - Midterm 2 Questions And Answers
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when might overfitting occur - Answer- when the # of factors is close to or larger than the # of data points causing the model to potentially fit too closely to random effects 
 
Why are simple models better than complex ones - Answer- less data is required; less chance of insignificant factors and easier to interpret 
 
what is forward selection - Answer- we select the best new factor and see if it's good enough (R^2, AIC, or p-value) add it to our model and fit the model with the current set ...
![ISYE 6501 - Midterm 1 Exam – Questions And Answers](/docpics/3215025/64d2a86b7eae7_3215025_121_171.jpeg)
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ISYE 6501 - Midterm 1 Exam – Questions And Answers
- Exam (elaborations) • 23 pages • 2023
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ISYE 6501 - Midterm 1 Exam – Questions And Answers
ISyE 6501 Final Quiz
![ISYE 6501 HOMEWORK 1 ,2,3,4,6,7,8,9,10 ALL IN ONE SOLUTION LATEST UPDATE 2023 GEORGIA INSTITUTE OF TECHNOLOGY](/docpics/2837643/64789c7c3bf4f_2837643_121_171.jpeg)
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ISYE 6501 HOMEWORK 1 ,2,3,4,6,7,8,9,10 ALL IN ONE SOLUTION LATEST UPDATE 2023 GEORGIA INSTITUTE OF TECHNOLOGY
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ISYE 6501 HOMEWORK 1 ,2,3,4,6,7,8,9,10 ALL IN ONE SOLUTION LATEST UPDATE 2023 GEORGIA INSTITUTE OF TECHNOLOGY
![Isye 6501 Final exam with 100% correct answers](/docpics/63da5a2e10007_2323721.jpg)
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Isye 6501 Final exam with 100% correct answers
- Exam (elaborations) • 99 pages • 2023
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1-norm 
Similar to rectilinear distance; measures the straight-line length of a vector from the origin. If z=(z1,z2,...,zm) is a vector in an m-dimensional space, then it's 1-norm is square root(|
![ISYE 6501 FINAL EXAM WITH COMPLETE SOLUTION 2022/2023](/docpics/63920a8196f17_2165298.jpg)
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ISYE 6501 FINAL EXAM WITH COMPLETE SOLUTION 2022/2023
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ISYE 6501 FINAL EXAM WITH COMPLETE 
SOLUTION 2022/2023 
 
1.	Factor Based Models: classification, clustering, regression. Implicitly assumed that we have a lot of factors in the final model 
2.	Why limit number of factors in a model? 2 reasons: overfitting: when # of factors is close to or larger than # of data points. Model may fit too closely to random effects simplicity: simple models are usually better 
3.	Classical variable selection approaches: 1. Forward selection 
2. Backwards eli...
![ISYE 6501 Midterm Quiz 2 with all the Correct Answers(Graded A+)](/docpics/62d5f710836df_1855851.jpg)
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ISYE 6501 Midterm Quiz 2 with all the Correct Answers(Graded A+)
- Exam (elaborations) • 27 pages • 2022
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ISYE 6501 Midterm Quiz 2 with all the Correct Answers(Graded A+) 
ISYE 6501 Midterm Quiz 2 with all the Correct Answers(Graded A+) 
ISYE 6501 Midterm Quiz 2 with all the Correct Answers(Graded A+) 
ISYE 6501 Midterm Quiz 2 with all the Correct Answers(Graded A+)
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