K means clustering - Study guides, Class notes & Summaries
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ISYE 6501 2024 Updated Exam Questions And Correct Answers Latest Edition
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Classification problems are commonly solved using what model(s)? Support Vector 
Machine 
Clustering problems are commonly solved using what model(s)? k-means 
Response Prediction questions are commonly solved using what model(s)? -ARIMA 
-CART 
-Exponential smoothing 
-linear regression 
-logistic regression 
-Random Forest 
Validation questions are commonly solved using what model(s)? -Cross Validation 
Variance Estimation questions are commonly solved using what model(s)? -GARCH 
Exampl...
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ISYE-6501 Exam 1 Questions And Answers With Verified Updates
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Data point - Observation/record of (perhaps multiple) measurements for a single member of a 
population or data set. In the standard tabular format, a row of data. 
Bayesian Information criterion (BIC) - Model selection technique that trades off model fit and 
model complexity. When comparing models, the model with lower BIC is preferred. Generally penalizes 
complexity more than AIC. 
1-norm (rectilinear distance, Manhattan distance) - Think of distances in blocks E (|xi - yi|) 
2-norm (euclide...
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ISYE 6501 Midterm 1 ALL SOLUTION 2023/24 EDITION GUARANTEED GRADE A+
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Rows 
 
Data points are values in data tables 
 
Columns 
 
The 'answer' for each data point (response/outcome) 
 
Structured Data 
 
Quantitative, Categorical, Binary, Unrelated, Time Series 
 
Unstructured Data 
 
Text 
 
Support Vector Model 
 
Supervised 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 features you have) with ...
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ISYE-6501 Exam 1 Top Questions and answers, 100% Accurate. Rated A+
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ISYE-6501 Exam 1 Top Questions and answers, 100% Accurate. Rated A+ 
 
 
Algorithm - -a step-by-step procedure designed to carry out a task 
 
Change Detection - -Identifying when a significant change has taken place 
 
Classification - -Separation of data into two or more categories 
 
Classifier - -A boundary that separates data into two or more categories 
 
Cluster - -A group of points that are identified as being similar or near each other 
 
Cluster Center - -In some clustering algorithms ...
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ISYE 6501 - Introduction to Analytics Weeks 1 – 7 Combined Frequent Exam Questions Correctly Answered
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ISYE 6501 - Introduction to 
Analytics Weeks 1 – 7 
Combined Frequent Exam 
Questions Correctly Answered 
Support Vector Machine (SVM) - ANSWER Supervised learning 
classification tool and algorithm that seeks a dividing hyperplane 
for any number of dimensions can be used for regression or 
classification. 
Margin of Error (SVM) - ANSWER A small margin for error 
reduces your chances of misclassifying known data points but 
increases your chances of misclassifying unknown data points. ...
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ISYE 6501 - Introduction to Analytics Weeks 1 – 7 Combined Frequent Exam Questions Correctly Answered
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ISYE 6501 - Introduction to 
Analytics Weeks 1 – 7 
Combined Frequent Exam 
Questions Correctly Answered 
Support Vector Machine (SVM) - ANSWER Supervised learning 
classification tool and algorithm that seeks a dividing hyperplane 
for any number of dimensions can be used for regression or 
classification. 
Margin of Error (SVM) - ANSWER A small margin for error 
reduces your chances of misclassifying known data points but 
increases your chances of misclassifying unknown data points. ...
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ISYE 6501 - Midterm 1 2024 with complete verified solutions.
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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?) 
 
 
 
Brainpower 
Read More 
0:05 
/ 
0:15 
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 classifier and when is it...
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UGBA 104 Midterm Exam Questions and Answers 100% Verified
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UGBA 104 Midterm Exam Questions and 
Answers 100% Verified 
calculate outliers IQR method - CORRECT ANSWER-IQR below; Q1 - 1.5 * IQR 
IQR above; Q3 + 1.5 * IQR 
how to calculate percentiles - CORRECT ANSWER-percentile (L) = (n+1) * P/100 
calculate z score outlier - CORRECT ANSWER-(value-mean)/SD 
rule of thumb for z score outlier - CORRECT ANSWER-above or below 3 SDs away 
which outlier method is more lenient - CORRECT ANSWER-z score, it goes further from 
mean than the IQR method 
ie the IQR...
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MIST 6360 Final Exam Correct Questions and Answers!!
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Data Science - ANSWER interdisciplinary field about scientific methods, processes, and systems to extract knowledge or insights from data in various forms, either structured or unstructured 
 
3 Analytical Approaches to Predictive Analytics - ANSWER Statistics, Artificial Intelligence, Machine Learning 
 
Statistics - ANSWER the foundation for predictive analytics -- the building blocks 
 
Ex: regression, factor & cluster analysis 
 
Artificial Intelligence - ANSWER uses heuristics- "rules of t...
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ISYE 6501 FINAL ACTUAL EXAM (UPDATED QUESTIONS AND ANSWERS)
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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 do classifiers help you do? - CORRECT ANSWER-differentiate 
What is a soft...
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