WPC 300 Final Exam Review (2023/24) || All Questions & 100% Accurate Solutions

WPC 300 Final Exam Review (2023/24) || All Questions & 100% Accurate Solutions WPC 300 Final Exam Review (2023/24) || All Questions & 100% Accurate Solutions An _________will actually do classification, regression, clustering, or association - ANSWER - Algorithm Supervised Learning - ANSWER - Learn with a labeled dataset • "Correct answer" is provided so there is an output variable • Data will be separated into training dataset and test dataset (or validation dataset) Unsupervised Learning - ANSWER - • Learn with unlabeled data • There is no output variable • Extract features and patterns on its own Supervised Learning Technique: Classification - ANSWER - predict discrete responses, such as loan application approval, spam emails, etc. Classification models classify input data into categories Supervised Learning Techniques: Regression - ANSWER - predict results within a continuous output, such as to feed the algorithm with records of house sales with their price, and it learns how to set prices for houses Unsupervised Learning techniques: Clustering - ANSWER - find hidden patterns or groupings in data. Application for cluster analysis include market research, object recognition, or determine where to build cell phone towers. Unsupervised Learning Technique: Association - ANSWER - Discover Pro Technique - ANSWER - A way of solving a problem, e.g. classification, regression, clustering, and association Data Variable Categories - ANSWER - Qualitative and Quantitative Qualitative - ANSWER - Is descriptive and conceptual and cannot be measured Quantitative - ANSWER - Can be counted, measured, and expressed using numbers Quantitative Data Variables - ANSWER - Numerical-interval, ratio Categorical-Nominal, ordinal (Quantitative Categorical) Nominal - ANSWER - The numerical values just "name" the attribute uniquely Ex: Employment classification 1 for Educator 2 For Construction Worker 3 for Manufacturing Worker (Quantitative Categorical) Ordinal - ANSWER - Numbers are used to indicate rank or order Ex: 1 for President 2 for Vice President 3 for Plant Manager (Quantitative Numerical) Interval