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WorksheetsMidterm Exam - Data Mining
Total questions: 63
Worksheet time: 32mins
The process of extracting information to identify patterns, trends, and useful data that would allow the business to take the data-driven decision from huge sets of data.
Data Mining
Relational Database
Data warehouses
Data Repositories
A collection of multiple data sets formally organized by tables, records, and columns from which data can be accessed in various ways without having to recognize the database tables. Tables convey and share information, which facilitates data searchability, reporting, and organization
Data Mining
Relational Database
Data warehouses
Data Repositories
Technology that collects the data from various sources within the organization to provide meaningful business insights.
Data Mining
Relational Database
Data warehouses
Data Repositories
Generally refers to a destination for data storage. However, many IT professionals utilize the term more clearly to refer to a specific kind of setup within an IT structure.
Data Mining
Relational Database
Data warehouses
Data Repositories
A combination of an object-oriented database model and relational database model. It supports Classes, Objects, Inheritance, etc.
Object-Relational Database
Transactional Database
Data warehouses
Data Repositories
Refers to a database management system (DBMS) that has the potential to undo a database transaction if it is not performed appropriately.
Object-Relational Database
Transactional Database
Data warehouses
Data Repositories
Data Mining disadvantage is enables organizations to obtain knowledge-based data.
True
False
Data Mining disadvantage is enables organizations to make lucrative modifications in operation and production.
True
False
Data Mining disadvantage data mining is a cost-efficient.
True
False
Data Mining disadvantage helps the decision-making process of an organization.
True
False
Data Mining disadvantage facilitates the automated discovery of hidden patterns as well as the prediction of trends and behaviors.
True
False
Data Mining disadvantage it can be induced in the new system as well as the existing platforms.
True
False
Data Mining disadvantage quick process that makes it easy for new users to analyze enormous amounts of data in a short time.
True
False
Data Mining advantage probability that the organizations may sell useful data of customers to other organizations for money. As per the report, American Express has sold credit card purchases of their customers to other organizations.
True
False
Data Mining advantage many data mining analytics software is difficult to operate and needs advance training to work on.
True
False
Data Mining advantage different data mining instruments operate in distinct ways due to the different algorithms used in their design. Therefore, the selection of the right data mining tools is a very challenging task.
True
False
Data Mining advantage techniques are not precise, so that it may lead to severe consequences in certain conditions.
True
False
Excellent potential to improve the health system. It uses data and analytics for better insights and to identify best practices that will enhance health care services and reduce costs.
Data Mining in Health Care
Data Mining in Market Basket Analysis
Data mining in Education
Data Mining in Manufacturing Engineering
Analysis is a modeling method based on a hypothesis. If you buy a specific group of products, then you are more likely to buy another group of products.
Data Mining in Health Care
Data Mining in Market Basket Analysis
Data mining in Education
Data Mining in Manufacturing Engineering
Is a newly emerging field, concerned with developing techniques that explore knowledge from the data generated from educational Environments.
Data Mining in Health Care
Data Mining in Market Basket Analysis
Data mining in Education
Data Mining in Manufacturing Engineering
Knowledge is the best asset possessed by a manufacturing company. Data mining tools can be beneficial to find patterns in a complex manufacturing process.
Data Mining in Health Care
Data Mining in Market Basket Analysis
Data mining in Education
Data Mining in Manufacturing Engineering
Is all about obtaining and holding Customers, also enhancing customer loyalty and implementing customer-oriented strategies.
Data Mining in CRM (Customer Relationship Management)
Data Mining in Fraud detection
Data Mining in Lie Detection
Data Mining Financial Banking
Billions of dollars are lost to the action of frauds. Traditional methods of fraud detection are a little bit time consuming and sophisticated.
Data Mining in CRM (Customer Relationship Management)
Data Mining in Fraud detection
Data Mining in Lie Detection
Data Mining Financial Banking
Apprehending a criminal is not a big deal, but bringing out the truth from him is a very challenging task.
Data Mining in CRM (Customer Relationship Management)
Data Mining in Fraud detection
Data Mining in Lie Detection
Data Mining Financial Banking
The Digitalization of the banking system is supposed to generate an enormous amount of data with every new transaction.
Data Mining in CRM (Customer Relationship Management)
Data Mining in Fraud detection
Data Mining in Lie Detection
Data Mining Financial Banking
The process of extracting useful data from large volumes of data is data mining. The data in the real-world is heterogeneous, incomplete, and noisy.
Incomplete and Noisy Data
Data Distribution
Complex Data
Performance
Real-worlds data is usually stored on various platforms in a distributed computing environment. It might be in a database, individual systems, or even on the internet.
Incomplete and Noisy Data
Data Distribution
Complex Data
Performance
Real-world data is heterogeneous, and it could be multimedia data, including audio and video, images, complex data, spatial data, time series, and so on.
Incomplete and Noisy Data
Data Distribution
Complex Data
Performance
The data mining system's performance relies primarily on the efficiency of algorithms and techniques used.
Incomplete and Noisy Data
Data Distribution
Complex Data
Performance
Data mining usually leads to serious issues in terms of data security, governance, and privacy.
Data Privacy and Security
Data Distribution
Complex Data
Performance
Bonus: How many dwarfs cinderella have?
(a)
Division of information into groups of connected objects. Describing the data by a few clusters mainly loses certain confine details, but accomplishes improvement.
Classification
Clustering
Regression
Association Rules
A division of information into groups of connected objects. Describing the data by a few clusters mainly loses certain confine details, but accomplishes improvement.
Classification
Clustering
Regression
Association Rules
Helps to discover a link between two or more items. It finds a hidden pattern in the data set.
Classification
Clustering
Regression
Association Rules
Relates to the observation of data items in the data set, which do not match an expected pattern or expected behavior.
Outer detection
Sequential Patterns
Prediction
Association Rules
Specialized for evaluating sequential data to discover sequential patterns.
Outer detection
Sequential Patterns
Prediction
Association Rules
Used a combination of other data mining techniques such as trends, clustering, classification, etc.
Outer detection
Sequential Patterns
Prediction
Association Rules
This classification is as per the type of data handled. For example, multimedia, spatial data, text data, time-series data, World Wide Web
Classification of Data mining frameworks as per the type of data sources mined
Classification of data mining frameworks as per the database involved
Classification of data mining frameworks as per the kind of knowledge discovered
Classification of data mining frameworks according to data mining techniques used
This classification based on the data model involved. For example. Object-oriented database, transactional database, relational database, and so on
Classification of Data mining frameworks as per the type of data sources mined
Classification of data mining frameworks as per the database involved
Classification of data mining frameworks as per the kind of knowledge discovered
Classification of data mining frameworks according to data mining techniques used
This classification depends on the types of knowledge discovered or data mining functionalities. For example, discrimination, classification, clustering, characterization, etc. some frameworks tend to be extensive frameworks offering a few data mining functionalities together
Classification of Data mining frameworks as per the type of data sources mined
Classification of data mining frameworks as per the database involved
Classification of data mining frameworks as per the kind of knowledge discovered
Classification of data mining frameworks according to data mining techniques used
This classification is as per the data analysis approach utilized, such as neural networks, machine learning, genetic algorithms, visualization, statistics, data warehouse-oriented or database-oriented, etc.
Classification of Data mining frameworks as per the type of data sources mined
Classification of data mining frameworks as per the database involved
Classification of data mining frameworks as per the kind of knowledge discovered
Classification of data mining frameworks according to data mining techniques used
Focuses on understanding the project goals and requirements form a business point of view, then converting this information into a data mining problem afterward a preliminary plan designed to accomplish the target.
Business Understanding
Data Understanding
Data Preparation
Modeling
Starts with an original data collection and proceeds with operations to get familiar with the data, to data quality issues, to find better insight in data, or to detect interesting subsets for concealed information hypothesis.
Business Understanding
Data Understanding
Data Preparation
Modeling
Usually takes more than 90 percent of the time. It covers all operations to build the final data set from the original raw information. Data preparation is probable to be done several times and not in any prescribed order.
Business Understanding
Data Understanding
Data Preparation
Modeling
Various modeling methods are selected and applied, and their parameters are measured to optimum values. Some methods gave particular requirements on the form of data. Therefore, stepping back to the data preparation phase is necessary.
Business Understanding
Data Understanding
Data Preparation
Modeling
Refers to the decision on the use of the data mining results should be reached
Evaluation
Deployment
Data Preparation
Modeling
Refers to how the outcomes need to be utilized
Evaluation
Deployment
Data Preparation
Modeling
Is the Database, data warehouse, World Wide Web (WWW), text files, and other documents. You need a huge amount of historical data for data mining to be successful.
Data Source
Different Processes
Database or Data Warehouse Server
Data Mining Engine
Is the Database, data warehouse, World Wide Web (WWW), text files, and other documents. You need a huge amount of historical data for data mining to be successful.
Data Source
Different Processes
Database or Data Warehouse Server
Data Mining Engine
Consists of the original data that is ready to be processed.
Data Source
Different Processes
Database or Data Warehouse Server
Data Mining Engine
Is a major component of any data mining system. It contains several modules for operating data mining tasks, including association, characterization, classification, clustering, prediction, time-series analysis, etc.
Data Source
Different Processes
Database or Data Warehouse Server
Data Mining Engine
Module is primarily responsible for the measure of investigation of the pattern by using a threshold value. It collaborates with the data mining engine to focus the search on exciting patterns.
Pattern Evaluation Module
Graphical User Interface
Knowledge Base
Knowledge Discovery in Databases
Module communicates between the data mining system and the user.
Pattern Evaluation Module
Graphical User Interface
Knowledge Base
Knowledge Discovery in Databases
Is helpful in the entire process of data mining. It might be helpful to guide the search or evaluate the stake of the result patterns.
Pattern Evaluation Module
Graphical User Interface
Knowledge Base
Knowledge Discovery in Databases
It refers to the broad procedure of discovering knowledge in data and emphasizes the high-level applications of specific Data Mining techniques.
Pattern Evaluation Module
Graphical User Interface
Knowledge Base
Knowledge Discovery in Databases
This is the initial preliminary step. It develops the scene for understanding what should be done with the various decisions like transformation, algorithms, representation, etc.
Building up an understanding of the application domain
Choosing and creating a data set on which discovery will be performed
Preprocessing and cleansing
Data Transformation
Once defined the objectives, the data that will be utilized for the knowledge discovery process should be determined. This incorporates discovering what data is accessible, obtaining important data, and afterward integrating all the data for knowledge discovery onto one set involves the qualities that will be considered for the process.
Building up an understanding of the application domain
Choosing and creating a data set on which discovery will be performed
Preprocessing and cleansing
Data Transformation
In this step, data reliability is improved. It incorporates data clearing, for example, Handling the missing quantities and removal of noise or outliers.
Building up an understanding of the application domain
Choosing and creating a data set on which discovery will be performed
Preprocessing and cleansing
Data Transformation
In this stage, the creation of appropriate data for Data Mining is prepared and developed. Techniques here incorporate dimension reduction, also attribute transformation.
Building up an understanding of the application domain
Choosing and creating a data set on which discovery will be performed
Preprocessing and cleansing
Data Transformation
To decide on which kind of Data Mining to use, for example, classification, regression, clustering, etc. This mainly relies on the KDD objectives, and also on the previous steps.
Prediction and description
Selecting the Data Mining algorithm
Utilizing the Data Mining algorithm
Evaluation
Having the technique, we now decide on the strategies. This stage incorporates choosing a particular technique to be used for searching patterns that include multiple inducers.
Prediction and description
Selecting the Data Mining algorithm
Utilizing the Data Mining algorithm
Evaluation
Implementation of the Data Mining algorithm is reached.
Prediction and description
Selecting the Data Mining algorithm
Utilizing the Data Mining algorithm
Evaluation
In this step, we assess and interpret the mined patterns, rules, and reliability to the objective characterized in the first step.
Prediction and description
Selecting the Data Mining algorithm
Utilizing the Data Mining algorithm
Evaluation
