Sye 6501 midterm 1 - Study guides, Class notes & Summaries

ISYE 6501 Midterm 1 with 100% correct answers

# Week 1 Introduction To Analytics Modeling - GTX ISYE 6501 - 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 S...

ISYE 6501 Midterm 1 Questions and answers latest update 2024

ISYE 6501 Midterm 1 EXAM QUESTIONS WITH VERIFIED SOLUTIONS 100% 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. - ANSW...

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 1 FINAL PRACTICE TEST 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. - CORRECT 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. - CORRECT ANSWER-True - For example, a classific...

ISYE 6501 MIDTERM 1 COMPLETE EXAM WITH UPGRADED QUESTIONS AND ANSWERS What do descriptive questions ask? - CORRECT ANSWER-What happened? (e.g., which customers are most alike) What do predictive questions ask? - CORRECT ANSWER-What will happen? (e.g., what will Google's stock price be?) What do prescriptive questions ask? - CORRECT ANSWER-What action(s) would be best? (e.g., where to put traffic lights) What is a model? - CORRECT ANSWER-Real-life situation expressed as math. What...

ISYE 6501 Midterm 1 QUESTIONS CORRECTLY ANSWERED LATEST UPDATE 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 data if we want to compare models? - ANSWER 70% training, 15% validation and 15% testing When do we need to do scaling in data? - ANSWER When our factors/attributes/dimensions are orders of magnitude differe...

Matching models/methods to categories - CORRECT ANSWER-(cusum and pca = NONE) Select all of the following models that are designed for use with attribute/feature data (i.e., not time-series data): - CORRECT ANSWER-k-nearest-neighbor, PCA, k-means, logistic regression, linear regression, random forest, SVM's Classification models - CORRECT ANSWER-CART, k-nearest-neighbor, logistic regression, random forest, support vector machine Clustering - CORRECT ANSWER-k-means Response predictio...

ISYE 6501 Midterm 1 Exam With Complete Solutions 2024