R Basics

R Basics

Eytan Bakshy

Intro to EDA

Intro to EDA



Openstreetmap Data

Openstreetmap Data

Analyzing Data

Analyzing Data
  • This lesson gonna teach us how to use twitter dataset to analyze the data.
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Wrangling with Various Data Formats

Wrangling data from various resources can be quite tedious as there's many data formats out there. Here we want to address what are the issue out there, and handle some of the famous data type formats, e.g CSV,JSON,Excel, and XML.

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Intro

Intro

  • The course is about how to model data with MongoDB for infobox Wikipedia
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Auditing the data

Auditing the data


  • Data-Type: (twovs2) we may expect one data type
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Cleaning the data

Cleaning the data
The data can be dirty:
  • there's us date format when expecting european format
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Scraping from Web

Scraping from Web
  • download rather than retrieve over and over again, for the fact that some data isn't going to change(history transaction, history flight dll)
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XML Parsing

XML Parsing


XML can be used in two ways, web-oriented, and document oriented