Classification clustering - Samenvattingen, Aantekeningen en Examens

CPCU 500 Practice Exam 10 Questions & Answers 2024/2025 The descriptive approach is applied Select one: A. To process information received from the Internet of Things. B. When an insurer or risk manager is deciding what type of computer technology to purchase. C. Repeatedly to provide information for data-driven decision making. D. When an insurer or risk manager has a specific problem. - ANSWERSD. When an insurer or risk manager has a specific problem. Which one of the foll...

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...

Business Intelligence the applications, infrastructure, and tools and practices that enable access and analysis of information to help make better decisions and improve and optimizw performance 3Vs velocity, variety, and volume 4Vs + veracity 6Vs +Variability and value Big Data Criticisms biases inherent to data theory doesn't matter gives rise to spurious relations Domain Knowledge Important because... of the questions that should be asked, not bc of the answers A good research q...

Data Analytics for Accounting, 1e (Richardson) Chapter 3 Modeling and Evaluation: Going from Defining Business Problems and Data Understanding to Analyzing Data and Answering Questions 1) Benford's Law is an absolute and all data must conform. 2) A decision tree can be used to divide data into smaller groups. 3) Data reduction is a data approach used to reduce the amount of information that needs to be considered to focus on the most critical items. 4) Regression is a data approach used to...

ISYE-6501 Exam 1 QUESTIONS & CORRECT ANSWERS Algorithm - ANSWER a step-by-step procedure designed to carry out a task Change Detection - ANSWER Identifying when a significant change has taken place Classification - ANSWER Separation of data into two or more categories Classifier - ANSWER A boundary that separates data into two or more categories Cluster - ANSWER A group of points that are identified as being similar or near each other Cluster Center - ANSWER In some clustering ...

What is machine learning correct answers the science of programming computers so they can learn from data without given instructions Model training correct answers Have the machine find a seperation between classes Model Validation correct answers Have the machine recognize previously unseen samples (different from the data given) supervised learning correct answers learning rules that describe input/output relationship 2 forms: regression classification Unsupervised learning co...

ISYE-6501 Midterm Exam QUESTIONS & CORRECT ANSWERS What is modeling? A real life situation expressed as math. What is a classification model? A model that puts things into categories. e.g. a loan applicant classification with a SVM splitting people into 2 buckets - yes and no. What is a data point? A 'row' of data essentially. It is not just one attribute (column) on a row of data. What is Quantitative Data numbers that have meaning What is Categorical Data Non-numeric informa...

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 classifier and when is it used? In some cases, ther...

1) Data analytics is the process of evaluating data with the purpose of drawing conclusions to address business questions. ⊚ true ⊚ false 2) The process of data analytics aims to transform raw information into data to create value. ⊚ true ⊚ false 3) Data analytics has the potential to transform the manner in which companies run their businesses, however it is not practical in the near future. ⊚ true ⊚ false 4) Auditors can use social media to hear what customers are saying...

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. ...