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 ANSWER 1. Analysis (identify common patterns or outliers) 2. Comparison (quantify similarities/differences) 3. Aggregation (create groups and clusters) 4. Transformation (use a more convenient representation) 5. Visualization 3Vs CORRECT ANSWER Volume, velocity, variety HMLE CORRECT ANSWER High dimensional (lots of different things we want to explore) Multi modal (different ways needed to visualize it) Inter-linked (data is linked, sometimes null, sometimes implicit) Evolving (underlying patterns change) INS CORRECT ANSWER Imprecision Noise Sparsity Cognition CORRECT ANSWER The mental action of efficiently and effectively being able to process information into thoughts, knowledge, and insights Visualization CORRECT ANSWER Graphically representing data to assist the processing of information into knowledge, insights, and thoughts. Uses exploratory data analysis to find trends and patterns in datasets