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Data reduction and Splitting (Functions (Unique (discards any previously…
Data reduction and Splitting
Unique Rows
Removing Duplicate Rows
Partial Match Removal
identical data in a FEW columns
Complete match removal
identical data in ALL columns
Filtering
Splitting up data into two separate tables
Based on their characteristics
Functions
Unique
discards any previously encountered data
Summarize
Grouping unique columns to make unique grouping
Filter Function
Valuable for imputation of missing data
Creates new tables
Filter Splitting
Function will split columns to organize types of data
EX: Sorting mg and oz
Riley Hillis
Ch. 12.1 and 12.2