Data sparsity - Study guides, Class notes & Summaries

Data processing CORRECT ANSWER user knows what he/she wants and has a function to compute it Querying CORRECT ANSWER user knows what he or she wants and can describe it Navigation CORRECT ANSWER user knows what he or she wants and use cannot describe it or locate it Exploration CORRECT ANSWER user doesn't know what he or she wants. Wants to acquire new knowledge and reveal new facts 5 Types of Exploration Tools CORRECT ANSWER 1. Analysis (identify common patterns or outliers) 2. Co...

WGU C170 Learning checks Exam Questions with complete and Correct answers 2024/2025 Data Sparsity - correct answer A column distribution of values or the number of different values a column can have. database performance tuning - correct answer A set of activities and procedures designed to reduce the response time of a database system—that is, to ensure that an end-user query is processed by the DBMS in the minimum amount of time. database statistics - correct answer In query optimiz...

Lesson 5 Indexes (FLASH CARDS) - C170 - Database Management Applications (WGU) access plan A set of instructions generated at application compilation time that is created and managed by a DBMS. The access plan predetermines how an application's query will access the database at run time. algorithms A process or set of operations in a calculation. automatic query optimization A method by which a DBMS finds the most efficient access path for the execution of a query. B-tree ind...

CSE 578 DATA VISUALIZATION QUESTIONS WITH CORRECT ANSWERS Data processing CORRECT ANSWER user knows what he/she wants and has a function to compute it Querying CORRECT ANSWER user knows what he or she wants and can describe it Navigation CORRECT ANSWER user knows what he or she wants and use cannot describe it or locate it Exploration CORRECT ANSWER user doesn't know what he or she wants. Wants to acquire new knowledge and reveal new facts 5 Types of Exploration Tools CORRECT ANSWE...

Machine Learning Final Exam With all Answers complete According to the formal definition of machine learning, "A computer program is said to learn from _______ with respect to some class of _______ and performance measure P, if its performance at ________, as measured by P, improves with __________". Sparsity and Density Example of a regression problem Example of a classification problem Min-Max Normalization Decimal Scaling Discretization Reasons to discretize data (3) ...

According to the formal definition of machine learning, "A computer program is said to learn from _______ with respect to some class of _______ and performance measure P, if its performance at ________, as measured by P, improves with __________". correct answers experience (E), tasks (T), tasks (T), experience (E) Sparsity and Density correct answers Data sparsity and density describe the degree to which data exists for each feature of all observations. So if a table is 80% dense, then 2...

Lesson 5 Indexes (FLASH CARDS) - C170 - Database Management Applications (WGU) access plan A set of instructions generated at application compilation time that is created and managed by a DBMS. The access plan predetermines how an application's query will access the database at run time. algorithms A process or set of operations in a calculation. automatic query optimization A method by which a DBMS finds the most efficient access path for the execution of a query. B-tree ind...

Lesson 5 Indexes (FLASH CARDS) - C170 - Database Management Applications (WGU) access plan A set of instructions generated at application compilation time that is created and managed by a DBMS. The access plan predetermines how an application's query will access the database at run time. algorithms A process or set of operations in a calculation. automatic query optimization A method by which a DBMS finds the most efficient access path for the execution of a query. B-tree ind...

Generative AI artificial intelligence that generates plausible content generative AI usually structured or unstructured data? unstructured data (e.g. images, audio, texts) Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:02 / 0:15 Full screen How does Generative AI learn the pattern? learn the underlying pattern from training data What is generative AI used for? generating similar content or solving downstream tasks...

C170 QUESTIONS WITH SOLUTIONS 2023 Access plan A set of instructions generated at application compilation time that is created and managed by a DBMS. The access plan predetermines how an application's query will access the database at run time. Alias An alternative name for a column or table in a SQL statement. Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:05 / 0:15 Full screen ALTER TABLE The SQL command used to make ...