Isye 6501 midterm 2 exam - Study guides, Class notes & Summaries

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 to or larger than # of data points. Model may fit too closely to random effects simplicity: simple models are usually better Classical variable selection approaches 1. Forward selection 2. Backwa...

ISYE 6501 Midterm 2 Part 1 Exam Questions & Answers

ISYE 6501 MIDTERM EXAM GRADED A+ LATEST What does SVM stand for? -CORRECT ANSWER-Support Vector Machine Is written text structured or unstructured? -CORRECT ANSWER-Unstructured When we increase the sum of the square of the coefficients we... -CORRECT ANSWER-Decrease the distance between the lines In SVM soft classifier we tradeoff between maximizing ___ and minimizing ___ - CORRECT ANSWER-margin and errors If lambda gets small what gets emphasized, large margin or minimizing training e...

ISYE-6501 Midterm Exam QUESTIONS & CORRECT ANSWERS What is modeling? A real life situation expressed as math. What is a classification model? A model that puts things into categories. e.g. a loan applicant classification with a SVM splitting people into 2 buckets - yes and no. What is a data point? A 'row' of data essentially. It is not just one attribute (column) on a row of data. What is Quantitative Data numbers that have meaning What is Categorical Data Non-numeric informa...

ISYE 6501 MIDTERM EXAM 2 - QUESTIONS AND ANSWERS ( SPRING 2022)/ISYE 6501 MIDTERM EXAM 2 - QUESTIONS AND ANSWERS ( SPRING 2022)

ISYE 6501 - Midterm 2 Exam Questions And Answers All Correct when might overfitting occur - CORRECT 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 - CORRECT ANSWER less data is required; less chance of insignificant factors and easier to interpret what is forward selection - CORRECT ANSWER we sel...

ISYE 6501 MIDTERM 1 EXAM WITH COMPLETE SOLUTION Rows - CORRECT ANSWER-Data points are values in data tables Columns - CORRECT ANSWER-The 'answer' for each data point (response/outcome) Structured Data - CORRECT ANSWER-Quantitative, Categorical, Binary, Unrelated, Time Series Unstructured Data - CORRECT ANSWER-Text Support Vector Model - CORRECT ANSWER-Supervised machine learning algorithm used for both classification and regression challenges. Mostly used in classification problem...

ISYE 6501 Midterm Quiz 1-with 100% verified answers- ISYE 6501 Midterm Quiz 1-with 100% verified answers- Course Midter… Step 2: … Step 2: … Step 2: Midterm Quiz 1 - GT Students (Launch Proctortrack first 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...