ISYE 6501
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Últimos notas y resúmenes ISYE 6501
when might overfitting occurs 
- when the # of factors are 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 and easier to interpret 
what is forward selection 
- 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 of factors. Then at t...
- Examen
- • 13 páginas's •
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ISYE 6501•ISYE 6501
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when might overfitting occurs 
- when the # of factors are 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 and easier to interpret 
what is forward selection 
- 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 of factors. Then at t...
ISYE-6501/ISYE 6501 Midterm 2 - Intro Analytics Modeling
- Package deal
- Examen
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ISYE 6501•ISYE 6501
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BUNDLE::: ISYE 6501 EXAMS• Por LeCrae
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ISYE-6501/ISYE 6501 Midterm 2 - Intro Analytics Modeling
ISYE 6501 FINAL QUIZ 1: GT STUDENTS & VERIFIED EXAM SOLUTION GEORGIA INSTITUTE OF TECHNOLOGY
- Examen
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ISYE 6501 FINAL QUIZ 1: GT STUDENTS & VERIFIED EXAM SOLUTION GEORGIA INSTITUTE OF TECHNOLOGY
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 and easier to interpret 
 
 
00:27 
01:08 
 
 
 
what is forward selection 
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 of ...
- Examen
- • 13 páginas's •
-
ISYE 6501•ISYE 6501
Vista previa 2 fuera de 13 páginas
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 and easier to interpret 
 
 
00:27 
01:08 
 
 
 
what is forward selection 
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 of ...
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 
A. Overfitting 
D. Difficulty of interpretation 
 
 
Two main reasons to limit # of factors in a model. 
1. Overfitting 
2. Simplicity 
 
 
00:45 
01:08 
 
 
 
When is overfitting likely to happen? 
When the number of factors is close to the number of data points. 
 
 
How does using a # of factors that is close...
- Examen
- • 8 páginas's •
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ISYE 6501•ISYE 6501
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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 
A. Overfitting 
D. Difficulty of interpretation 
 
 
Two main reasons to limit # of factors in a model. 
1. Overfitting 
2. Simplicity 
 
 
00:45 
01:08 
 
 
 
When is overfitting likely to happen? 
When the number of factors is close to the number of data points. 
 
 
How does using a # of factors that is close...
Introduction to Analytics Modeling 
answer important types of questions: 
 what happened? = descriptive 
 what is going to happen? = predictive 
 what actions are best? = prescriptive 
 how do we create value with data? 
when can analytics answer these questions? 
Modeling: taking a real life situation and expressing it in math 
analyze in math and turn it into a solution 
best ways to learn: ask questions, discuss answers 
Course Structure: 
- knowledge building 
- experience building based on ...
- Otro
- • 40 páginas's •
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ISYE 6501•ISYE 6501
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Introduction to Analytics Modeling 
answer important types of questions: 
 what happened? = descriptive 
 what is going to happen? = predictive 
 what actions are best? = prescriptive 
 how do we create value with data? 
when can analytics answer these questions? 
Modeling: taking a real life situation and expressing it in math 
analyze in math and turn it into a solution 
best ways to learn: ask questions, discuss answers 
Course Structure: 
- knowledge building 
- experience building based on ...
ISYE 6501 Midterm 2 _ Intro Analytics Modeling - ISYE-6501-OAN_O01_QCH_A.
- Examen
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ISYE 6501 Midterm 2 _ Intro Analytics Modeling - ISYE-6501-OAN_O01_QCH_A.
ISYE6501 Final Questions with Answers SP21 latest paper (GRADED A)
- Examen
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ISYE 6501•ISYE 6501
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ISYE6501 Final Questions with Answers SP21 latest paper (GRADED A)
Step 2: Midterm Quiz 1 - GT Students (Launch 
Proctortrack rst before taking the Midterm Quiz 1) 
95 Minute Time Limit 
Instructions 
Work alone. Do not collaborate with or copy from anyone else. 
You may use any of the following resources: 
One sheet (both sides) of handwritten (not photocopied or scanned) notes 
If any question seems ambiguous, use the most reasonable interpretation (i.e. don't be 
like Calvin): 
Good Luck! 
 
Question 0 -- Practice with Drag & Drop 
0 points possi...
- Examen
- • 24 páginas's •
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ISYE 6501•ISYE 6501
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Step 2: Midterm Quiz 1 - GT Students (Launch 
Proctortrack rst before taking the Midterm Quiz 1) 
95 Minute Time Limit 
Instructions 
Work alone. Do not collaborate with or copy from anyone else. 
You may use any of the following resources: 
One sheet (both sides) of handwritten (not photocopied or scanned) notes 
If any question seems ambiguous, use the most reasonable interpretation (i.e. don't be 
like Calvin): 
Good Luck! 
 
Question 0 -- Practice with Drag & Drop 
0 points possi...
Midterm Quiz 2 - Verified MM Learners 
Midterm Quiz 2 due Apr 12, 2021 1500 HKT Completed 
90 Minute Time Limit 
Instructions 
Work alone. Do not collaborate with or copy from anyone else. 
Work the problems in any order you wish, but submit each answer before 
ending the exam. 
You may use any of the following resources: 
One sheet (both sides) of handwritten (not photocopied or scanned) notes 
If any question seems ambiguous, use the most reasonable interpretation (i.e. 
don't be like Calvin)...
- Examen
- • 28 páginas's •
-
ISYE 6501•ISYE 6501
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Midterm Quiz 2 - Verified MM Learners 
Midterm Quiz 2 due Apr 12, 2021 1500 HKT Completed 
90 Minute Time Limit 
Instructions 
Work alone. Do not collaborate with or copy from anyone else. 
Work the problems in any order you wish, but submit each answer before 
ending the exam. 
You may use any of the following resources: 
One sheet (both sides) of handwritten (not photocopied or scanned) notes 
If any question seems ambiguous, use the most reasonable interpretation (i.e. 
don't be like Calvin)...