When is knn used - Study guides, Class notes & Summaries

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ISYE 6501 - Midterm 1 Questions and Answers 2023
  • ISYE 6501 - Midterm 1 Questions and Answers 2023

  • Exam (elaborations) • 19 pages • 2023
  • ISYE 6501 - Midterm 1 Questions and Answers 2023 What do descriptive questions ask? What happened? (e.g., which customers are most alike) What do predictive questions ask? What will happen? (e.g., what will Google's stock price be?) What do prescriptive questions ask? What action(s) would be best? (e.g., where to put traffic lights) What is a model? Real-life situation expressed as math. What do classifiers help you do? differentiate What is a soft class...
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ISYE 6501 MIDTERM 1 FINAL PRACTICE  TEST
  • ISYE 6501 MIDTERM 1 FINAL PRACTICE TEST

  • Exam (elaborations) • 6 pages • 2024
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  • 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...
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UPDATED ISYE 6501 Midterm 1 EXAM QUESTIONS WITH 100% SOLUTIONS LATEST 2024
  • UPDATED ISYE 6501 Midterm 1 EXAM QUESTIONS WITH 100% SOLUTIONS LATEST 2024

  • Exam (elaborations) • 6 pages • 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. - ANSWER True - For example, a classification tree might have a different SVM or KNN model at each lea...
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Machine Learning - supervised machine learning exam questions and answers
  • Machine Learning - supervised machine learning exam questions and answers

  • Exam (elaborations) • 3 pages • 2024
  • What is supervised learning? A type of machine learning which is used when we want to predict a certain output from a given input and have examples of input/out pairs. The training set we feed into the algorithm includes the desired solutions (labels). labelled data: each instance comes with the expected output What are the two types of supervised machine learning? (1) classification - binary classification: 2 classes - multiclass classification: classification between more than 2 ...
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ISYE 6501 Spring  '23 Exam 1 QUESTIONS WITH  100% SOLUTIONS  LATEST UPDATE  2023/2024
  • ISYE 6501 Spring '23 Exam 1 QUESTIONS WITH 100% SOLUTIONS LATEST UPDATE 2023/2024

  • Exam (elaborations) • 6 pages • 2023
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  • 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 of the information about one observation. What are some (4) names for columns of data? - ANSWER Attributes, features, covariates, predictors Name some common types of structured data (5) - ANSWE...
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LATEST ISYE 6501 Spring '23 Exam 1 QUESTIONS WITH 100% SOLUTIONS 2024
  • LATEST ISYE 6501 Spring '23 Exam 1 QUESTIONS WITH 100% SOLUTIONS 2024

  • Exam (elaborations) • 6 pages • 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 of the information about one observation. What are some (4) names for columns of data? - ANSWER Attributes, features, covariates, predictors Name some common types of structured data (5) - ANSWER Quantitative, categorical, binary, unrelated, time series What is binary data? - ANSWER A su...
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MKT 245 Exam 2 Dr. Tong Questions and Answers Graded A+
  • MKT 245 Exam 2 Dr. Tong Questions and Answers Graded A+

  • Exam (elaborations) • 13 pages • 2023
  • clicking the Tableau icon in the upper left corner of any page allows you to do what - visit the start page. Which data sources do Tableau allow you to access and build viz?· - excel, text file, Json file, microsoft office, and pdf file In the Worksheet tab, in the Data pane, Tableau assigns any fields that contain discrete categorical information to the Dimensions area. What goes under Measures? - measures are fields that can be averaged or summed. how do we add color in tabl...
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ISYE 6501 Midterm 1 QUESTIONS CORRECTLY ANSWERED LATEST UPDAT
  • ISYE 6501 Midterm 1 QUESTIONS CORRECTLY ANSWERED LATEST UPDAT

  • Exam (elaborations) • 7 pages • 2023
  • Available in package deal
  • 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...
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ISYE 6501 Midterm Actual EXAM  QUESTIONS WITH VERIFIED  ANSWERS LATEST UPDATE |  VERIFIED
  • ISYE 6501 Midterm Actual EXAM QUESTIONS WITH VERIFIED ANSWERS LATEST UPDATE | VERIFIED

  • Exam (elaborations) • 7 pages • 2023
  • ISYE 6501 Midterm Actual EXAM QUESTIONS WITH VERIFIED ANSWERS LATEST UPDATE | VERIFIED 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...
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ISYE 6501 Midterm 1 QUESTIONS CORRECTLY ANSWERED LATEST UPDATE
  • ISYE 6501 Midterm 1 QUESTIONS CORRECTLY ANSWERED LATEST UPDATE

  • Exam (elaborations) • 7 pages • 2024
  • Available in package deal
  • 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 different ...
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