COMPREHENSIVE QUESTIONS AND VERIFIED
ANSWERS (COMPLETE SOLUTIONS) GUARANTEED
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user knows what he/she wants and has a function to compute it -
answer Data processing
What happens when a time series is lagged for N observations? -
answer The time series is shifted back by N observations.
user knows what he or she wants and can describe it - answer Querying
user knows what he or she wants and cannot describe it or locate it -
answer Navigation
user doesn't know what he or she wants. Wants to acquire new
knowledge and reveal new facts - answer Exploration
What are the five types of exploration tools? - answer Analysis,
Comparison, Aggregation, Transformation, Visualization
,3Vs - answer Volume, velocity, variety
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) - answer HMLE
Imprecision
Noise
Sparsity - answer INS
The mental action of efficiently and effectively being able to process
information into thoughts, knowledge, and insights - answer Cognition
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. -
answer Visualization
starting point, ending point, length - answer Main components of a
sequence
A vast increase in the amount of data generated by individuals and
businesses. - answer Data Deluge
displays a single interactive visualization of data - answer Dynamic
visualization
vector representations of objects in a dataset - answer Features
What is the term that describes the structure and properties of a data
collection? - answer Schema
Schemas enable retrieval of data for what? - answer Comparison,
indexing, query optimization, and query processing
What color scheme is best suited for nominal data? - answer Qualitative