Isye 6501 stuvia - Study guides, Class notes & Summaries
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ISYE 6501 - Midterm 1 Exam 2023| Correct Questions & Answers| Verified 100
- Exam (elaborations) • 19 pages • 2023
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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? - A...
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ISYE 6501 Midterm Correct Questions & Answers!!
- Exam (elaborations) • 21 pages • 2023
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What does SVM stand for? - ANSWERSSupport Vector Machine 
 
Is written text structured or unstructured? - ANSWERSUnstructured 
 
When we increase the sum of the square of the coefficients we... - ANSWERSDecrease the distance between the lines 
 
In SVM soft classifier we tradeoff between maximizing ___ and minimizing ___ - ANSWERSmargin and errors 
 
If lambda gets small what gets emphasized, large margin or minimizing training error?, - ANSWERSMinimizing errors. 
 
What is a support vector? - A...
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ISYE 6501 - Midterm 2| 160 Questions | Correct Answers| Accurate 100%
- Exam (elaborations) • 13 pages • 2023
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when might overfitting occur - ANSWERSwhen 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 - ANSWERSless data is required; less chance of insignificant factors and easier to interpret 
 
what is forward selection - ANSWERSwe 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 ...
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ISYE 6501 Midterm 1| 110 Questions & Answers| Accurate 100%
- Exam (elaborations) • 11 pages • 2023
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Rows - ANSWERSData points are values in data tables 
 
Columns - ANSWERSThe 'answer' for each data point (response/outcome) 
 
Structured Data - ANSWERSQuantitative, Categorical, Binary, Unrelated, Time Series 
 
Unstructured Data - ANSWERSText 
 
Support Vector Model - ANSWERSSupervised machine learning algorithm used for both classification and regression challenges. 
Mostly used in classification problems by plotting each data item as a point in n-dimensional space (n is the number of feat...
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ISYE 6501 - Midterm 1 Exam 2023| Correct Questions & Answers| Verified 100%(RATED A+)
- Exam (elaborations) • 19 pages • 2023
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- $10.99
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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? - A...
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ISYE 6501 Midterm Correct Questions & Answers 100% Verified By Experts(RATED A+)
- Exam (elaborations) • 21 pages • 2023
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- $10.99
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What does SVM stand for? - ANSWERSSupport Vector Machine 
 
Is written text structured or unstructured? - ANSWERSUnstructured 
 
When we increase the sum of the square of the coefficients we... - ANSWERSDecrease the distance between the lines 
 
In SVM soft classifier we tradeoff between maximizing ___ and minimizing ___ - ANSWERSmargin and errors 
 
If lambda gets small what gets emphasized, large margin or minimizing training error?, - ANSWERSMinimizing errors. 
 
What is a support vector? - A...
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ISYE 6501 - Midterm 2| 160 Questions | Correct Answers| Accurate 100%(RATED A+)
- Exam (elaborations) • 13 pages • 2023
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- $11.49
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when might overfitting occur - ANSWERSwhen 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 - ANSWERSless data is required; less chance of insignificant factors and easier to interpret 
 
what is forward selection - ANSWERSwe 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 ...
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ISYE 6501 Midterm 1| 110 Questions & Answers| Accurate 100%(RATED A+)
- Exam (elaborations) • 11 pages • 2023
-
- $9.99
- + learn more
Rows - ANSWERSData points are values in data tables 
 
Columns - ANSWERSThe 'answer' for each data point (response/outcome) 
 
Structured Data - ANSWERSQuantitative, Categorical, Binary, Unrelated, Time Series 
 
Unstructured Data - ANSWERSText 
 
Support Vector Model - ANSWERSSupervised machine learning algorithm used for both classification and regression challenges. 
Mostly used in classification problems by plotting each data item as a point in n-dimensional space (n is the number of feat...
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