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Introduction to Data Mining (What? (Discover patterns and model that…
Introduction to Data Mining
Why?
Data contains
value and
knowledge
store
manage
analyzed
What?
Discover
patterns and
model
that are
valid
can be trusted
useful
have beneficiary advantage
unexpected
non obvious to the system
understandable
humans are able to interpret
types of model
explain the data
predict the future
summarize data
extract most prominent feature
How?
tasks
predictive
Use some variables to predict future values of other variables
e.g. recommender systems
descriptive
Find human interpretable
patterns that describe
the data
can discover
meaningless
pattern
bonferroni principles
interesting pattern > # of data
e.g. clustering
pipeline
preprocessing
data cleaning
sampling
dimen reduction
feature selection
Mining
result
make data useful
and actionable
statistical analysis
visualization