Data Wrangling(II): Munging, Tidy Data, and Working with ...
嚜澳ata Wrangling(II): Munging,
Tidy Data, and Working with
Multiple Data Tables
Nicholas Mattei, Tulane University
CMPS3660 每 Introduction to Data Science 每 Fall 2019
Many Thanks
Slides based off Introduction to Data Science from John P. Dickerson
Announcements
? Project1 and Milestone1 Updates
每 Reading really important here!
2
Next Couple of Lectures (Till Midterm)
? Tables in the Abstract
每 How, Why
每 Operations
? Principles of Tidy Data
? Tables in Pandas
? Tables in SQL and RMDBS
? 2 More Labs.
3
The Data LifeCycle
Data
Processing
Analysis,
Hypothesis
Testing,
& ML
Insight
&
Policy
Decision
To
d
ay
Data
Collection
Exploratory
Analysis
&
Data
Visualization
4
Types of Joins
?
?
?
In Pandas this is called a
FULL OUTTER JOIN!
?
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