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[Show more]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...
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Add to cartISYE 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...
ISYE 6501 Midterm EXAM 
QUESTIONS AND SOLUTIONS 
LATEST UPDATE 2023/2024 
Factor Based Models 
classification, clustering, regression. Implicitly assumed that we have a lot of factors in 
the final model 
Why limit number of factors in a model? 2 reasons 
overfitting: when # of factors is close t...
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Add to cartISYE 6501 Midterm EXAM 
QUESTIONS AND SOLUTIONS 
LATEST UPDATE 2023/2024 
Factor Based Models 
classification, clustering, regression. Implicitly assumed that we have a lot of factors in 
the final model 
Why limit number of factors in a model? 2 reasons 
overfitting: when # of factors is close t...
ISYE 6501 Midterm 
EXAM QUESTIONS 
WITH 100% 
SOLUTIONS LATEST 
UPDATE 2023/2024 
What does SVM stand for? - ANSWER Support Vector Machine 
Is written text structured or unstructured? - ANSWER Unstructured 
When we increase the sum of the square of the coefficients we... - ANSWER Decrease 
the d...
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Add to cartISYE 6501 Midterm 
EXAM QUESTIONS 
WITH 100% 
SOLUTIONS LATEST 
UPDATE 2023/2024 
What does SVM stand for? - ANSWER Support Vector Machine 
Is written text structured or unstructured? - ANSWER Unstructured 
When we increase the sum of the square of the coefficients we... - ANSWER Decrease 
the d...
ISYE 6501 - Midterm 2 
when might overfitting occur 
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 
less data is required; less chance of insignificant factors...
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Add to cartISYE 6501 - Midterm 2 
when might overfitting occur 
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 
less data is required; less chance of insignificant factors...
ISYE 6501 – original set 
Mid term 2 A+ Pass 
Revised 2023//2024 
when might overfitting occur 
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 
less data is...
Preview 2 out of 12 pages
Add to cartISYE 6501 – original set 
Mid term 2 A+ Pass 
Revised 2023//2024 
when might overfitting occur 
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 
less data is...
ISYE 6501 -Exam 2 
QUESTIONS WITH 
100% VERIFIED 
SOLUTIONS LATEST 
UPDATE 2023/2024 
Building simpler models with fewer factors helps avoid which problems? 
A. Overfitting 
B. Low prediction quality 
C. Bias in the most important factors 
D. Difficulty in interpretation - ANSWER A. Overfitting ...
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Add to cartISYE 6501 -Exam 2 
QUESTIONS WITH 
100% VERIFIED 
SOLUTIONS LATEST 
UPDATE 2023/2024 
Building simpler models with fewer factors helps avoid which problems? 
A. Overfitting 
B. Low prediction quality 
C. Bias in the most important factors 
D. Difficulty in interpretation - ANSWER A. Overfitting ...
ISYE 6501 Exam 2 
QUESTIONS WITH 
100% VERIFIED 
SOLUTIONS LATEST 
UPDATE 2023/2024 
What are some of the consequences of outliers in k-means? - ANSWER It will drag the 
cluster center artificially to one side 
Because k-means is a heuristic and thus fast what can we do? - ANSWER run it 
sever...
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Add to cartISYE 6501 Exam 2 
QUESTIONS WITH 
100% VERIFIED 
SOLUTIONS LATEST 
UPDATE 2023/2024 
What are some of the consequences of outliers in k-means? - ANSWER It will drag the 
cluster center artificially to one side 
Because k-means is a heuristic and thus fast what can we do? - ANSWER run it 
sever...
ISYE 6501 EXAM 
QUESTIONS WITH 
100% SOLUTIONS 
LATEST UPDATE 
2023/2024 
Support Vector Machine(SVM) is a supervised machine learning algorithm used for? - 
ANSWER Classification 
How to split the data if we only have one model? - ANSWER 70% training data, 30% 
testing data 
How to split the d...
Preview 2 out of 5 pages
Add to cartISYE 6501 EXAM 
QUESTIONS WITH 
100% SOLUTIONS 
LATEST UPDATE 
2023/2024 
Support Vector Machine(SVM) is a supervised machine learning algorithm used for? - 
ANSWER Classification 
How to split the data if we only have one model? - ANSWER 70% training data, 30% 
testing data 
How to split the d...
Isye 6501 Final exam 
Revised 2023//2024 
1-norm - ANSWER 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(|
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Add to cartIsye 6501 Final exam 
Revised 2023//2024 
1-norm - ANSWER 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 Spring 
'23 Exam 1 
QUESTIONS WITH 
100% SOLUTIONS 
LATEST UPDATE 
2023/2024 
What is modeling? - ANSWER Describing a real-life situation mathematically, analyzing 
the math and then turning the math back into a real-life situation. 
What is a data point? - ANSWER A row of data. All ...
Preview 2 out of 6 pages
Add to cartISYE 6501 Spring 
'23 Exam 1 
QUESTIONS WITH 
100% SOLUTIONS 
LATEST UPDATE 
2023/2024 
What is modeling? - ANSWER Describing a real-life situation mathematically, analyzing 
the math and then turning the math back into a real-life situation. 
What is a data point? - ANSWER A row of data. All ...
ISYE 6501 - Midterm 
2 AND 
Isye 6501 MID Final 
exam1 2023/2024 
when might overfitting occur 
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 
less data is...
Preview 4 out of 53 pages
Add to cartISYE 6501 - Midterm 
2 AND 
Isye 6501 MID Final 
exam1 2023/2024 
when might overfitting occur 
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 
less data is...
ISYE 6501 - 
Midterm 2 
when might overfitting occur 
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 
less data is required; less chance of insignificant factor...
Preview 3 out of 18 pages
Add to cartISYE 6501 - 
Midterm 2 
when might overfitting occur 
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 
less data is required; less chance of insignificant factor...
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