Hierarchical clustering - Study guides, Class notes & Summaries

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 ...

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...

AN 300, EXAM 2 WITH QUESTIONS AND 100% VERIFIED ANSWERS. // ALREADY A+ GRADED. // 2024/2025/2026 LATEST UPDATE Which of the following is true about CCC? Check all that apply. -A value greater than two is highly desirable. -It is used to tell the goodness of fit of clustering. -It stands for Cubic Clustering Criterion. -It is related to the proportion of variance in the data accounted for by the clusters. -It is related to the proportion of matching values in a column against all c...

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 ...

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 ...

You need to identify numerical values that represent the probability of humans developing diabetes based on age and body fat percentage. Which type of machine learning model should you use? - answer-Multiple linear regression It models a relationship between two or more features and a single label, which matches the scenario in this item. Linear regression uses a single feature. Logistic regression is a type of classification model, which returns either a Boolean value or a categor...

Data preparation Time - Answer data preparation 80%, and everything else falls into about 20% GIGO - Answer garbage in, garbage out. That's a truism from computer science. The information you're going to get from your analysis is only as good as the information that you put into it Upside to In-house data - Answer It's the fastest way to start., you may actually be able to talk with the people who gathered the data in the first place. Downside to In-house data - Answer if it was an a...

AP Human Geography: Geography (2022/2023) Graded A space geometric surface of the Earth place an area of bounded space of some human importance region a type of place toponym a place name sequent occupancy the succession of groups and cultural influences throughout a place's history place-specific culture ex. Sante Fe, Mexico, a complex mix of multiple Native American, Spanish colonial, and modern American influences based upon the sequence of past and current societal influences scale re...

NYSTCE Childhood Literacy 221 Second language acquisition - Make all instruction as easy to understand as possible; Relate instruction to culture of ESL children; Increase interactive activities use gestures when modeling Vocabulary - The more vocab a student knows the higher their comprehension Print and book awareness - See connection between words and meaning Learn that reading/writing are ways to obtain info and communicate ideas Learn the features of text ie read left to right spac...

How can you evaluate a map design in terms of map elements? Using designated graphic symbols to visualize the meaning of spatial information, apply gestalt principles. Design, color, and typographics help. Requires appropriate selection and use of map elements. How can you evaluate a map design in terms of layout? Must consider the optical center, eye movement, sightlines, and balance. From top to bottom, left to right, tell story efficiently visual center located slightly above...