Hierarchical clustering Study guides, Class notes & Summaries
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WGU C175/D426 DATA MANAGEMENT FOUNDATIONS OA EXAM ACTUAL EXAM 2 LATEST VERSIONS 300 QUESTIONS AND CORRECT ANSWERS ASSURED A+.
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WGU C175/D426 DATA MANAGEMENT FOUNDATIONS OA EXAM ACTUAL EXAM 2 LATEST VERSIONS 300 QUESTIONS AND CORRECT ANSWERS ASSURED A+. 
VERSION A 
What does modality refer to? How does it appear on ER diagram? - ANSWERRefers to the MINIMUM number of times an instance in one entity can be 
associated with instance of another entity (minima) 
Appears as a 0 or 1 on the relationship line, next to cardinality 
Define: Referential Integrity - ANSWER- Requires that ALL foreign key values 
must either be fully ...
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SRM EXAM STUDYGUIDE LATEST UPDATE
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SRM EXAM STUDYGUIDE LATEST UPDATE...
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QMB3302 UF Fall Final Exam Updated 2024/2025 Actual Questions and answers with complete solutions
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5 steps to building a machine learning model - 1. choosing a class of model 
2. choose hyperparameters 
3. arrange data 
4. fit the model 
5. predict 
a silhouette score of 1 is the [best/worst] and -1 is the [best/worst] score - best, worst 
basic idea of regression - we have some X values called features and some Y value, the variable we 
are trying to predict 
Difference between unsupervised and supervised learning - unsupervised: you have an X but no Y 
supervised: you have an X and a Y 
Ima...
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WGU C175/D426 DATA MANAGEMENT FOUNDATIONS OA EXAM Questions With Verified Answers (100% Correct) - Latest Update 2024/2025Graded A+
- Exam (elaborations) • 112 pages • 2024
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What does modality refer to? How does it appear on ER diagram? - ANSWERRefers to the MINIMUM number of times an instance in one entity can be 
associated with instance of another entity (minima) 
Appears as a 0 or 1 on the relationship line, next to cardinality 
Define: Referential Integrity - ANSWER- Requires that ALL foreign key values 
must either be fully NULL or match some primary key value 
4 Ways Referential Integrity can be violated: - ANSWER- 1. Primary key is 
updated 
2. Foreign key i...
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Machine Learning for Humans
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Table of Contents 
Part 1: Introduction. The big picture of artificial intelligence and machine 
learning — past, present, and future. 
Part 2.1: Supervised Learning. Learning with an answer key. Introducing linear 
regression, loss functions, overfitting, and gradient descent. 
Part 2.2: Supervised Learning II. Two methods of classification: logistic regression 
and support vector machines (SVMs). 
Part 2.3: Supervised Learning III. Non-parametric learners: k-nearest neighbors, 
decision tree...
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Big Data Questions And Answers Rated A+ New Update Assured Satisfaction
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What is Big Data? - Answer-Big data is a term which is used to describe any data set that is so large and 
complex that it is difficult to process using traditional applications. 
T/F: Big Data is an objective term? - Answer-False. 
Describe at least three sources of Big Data. - Answer-Archives, Machine logs, Public Web, Sensor Data, 
Social Media 
State and explain the characteristics of Big Data: 
Volume - Answer-The vast amount of data that must be dealt with. 
State and explain the character...
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Machine Learning - supervised machine learning exam questions and answers
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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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RCDD TEST QUESTIONS (TOPIC 15 - TOPIC 21) WITH SOLVED SOLUTIONS.
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RCDD TEST QUESTIONS (TOPIC 15 - TOPIC 21) WITH SOLVED SOLUTIONS. 
 
What is the recommended distance between ceiling mounted speakers in a hallway with heavy traffic? 
 
A. 2.4 m (8 ft) 
B. 3.7 m (12 ft) 
C. 4.9 m (16 ft) 
D. 6 m (20 ft) 
A. 2.4 m (8 ft) 
A space has all hard surfaces including architecture and furnishings. The audio programming produced from the distributed sound system has become unintelligible. Which of the following will NOT mitigate the problem? 
 
A. Add tapestries to the ...
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WPC 300 Final Exam (practice questions and answers) A-Graded 2024/2025
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WPC 300 Final Exam (practice questions 
and answers) A-Graded 2024/2025 
analytics - CORRECT ANSWER-the process of developing actionable decisions or 
recommendations for actions based upon insights generated from historical data 
primary data - CORRECT ANSWER-data collected specifically for the research problem 
at hand (ex: survey, interviews) 
secondary data - CORRECT ANSWER-data collected for some purpose other than the 
problem at hand (ex: firm's proprietary data, internet data, stock...
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WGU C175/D426 DATA MANAGEMENT FOUNDATIONS OA EXAM ACTUAL EXAM 2 LATEST VERSIONS 300 QUESTIONS WITH CORRECT AND DETAILED ANSWERS WITH RATIONALES (100% CORRECT AND VERIFIED ANSWERS). LATEST 2024 UPDATE, GUARANTEED A+
- Exam (elaborations) • 93 pages • 2024
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What does modality refer to? How does it appear on ER diagram? - ANSWER- Refers to the MINIMUM number of times an instance in one entity can be 
associated with instance of another entity (minima) 
Appears as a 0 or 1 on the relationship line, next to cardinality 
 
Define: Referential Integrity - ANSWER- Requires that ALL foreign key values 
must either be fully NULL or match some primary key value	 
 
 
4 Ways Referential Integrity can be violated: - ANSWER- 1. Primary key is updated 
...
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