IMPORTING DATA INTO R - The world's leading … · > x —price, y —color) ... • Visua FoxPro...
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I MPORTING DATA INTO R
Transcript of IMPORTING DATA INTO R - The world's leading … · > x —price, y —color) ... • Visua FoxPro...
IMPORTING DATA INTO R
IMPORTING DATA INTO R• Overview• Importing _______ Data
• Tabular• Hierarchical• Relational• Distributed
• Questions
OVERVIEW: THE TYPICAL DATA SCIENCE PROJECT
ImportingTabular Data
WHAT IS TABULAR DATA?
TEXT, EXCEL, SPSS, SAS AND STATA
TABULAR DATA FROM RSTUDIO
ImportingHierarchical Data
WHAT IS HIERARCHICAL DATA?“A data model in which the data is organized into a tree-like structure” - Wikipedia
WHAT IS XML, HTML AND JSON?XML: Extensible Markup Language HTML: HyperText Markup Language
JSON: JavaScript Object Notation
Source: http://www.w3schools.com/
IMPORTING XML, HTML AND JSON
ImportingRelational Data
WHAT IS RELATIONAL DATA?“Data is represented in terms of tuples, grouped into relations. ” - Wikipedia
IMPORTING RELATIONAL DATA
Driver
Icons Credit: Hans Gerhard Meier and Wilson Joseph
IMPORTING RELATIONAL DATA
ImportingDistributed Data
WHAT IS DISTRIBUTED DATA?“non-relational with quick access to data over a large number of nodes” - Wikipedia
(a), (b): a distributed system.(c): a parallel system.
IMPORTING DISTRIBUTED DATADistributed computingSampling
