Exploratory Data Analysis Quiz

collect & understand data, clean & format data, use data to create solution

business-centric data in organizational databases recording day to day operations, scientific or experimental data

public government databases, stock market data, Yelp reviews

<p>not all data that is accessible is good to be used</p> Signup and view all the answers

<p>using software, scripts or by-hand extracting data from what is displayed on a page or what is contained in the HTML file, web scraping</p> Signup and view all the answers

<p>Internal data can be obtained from business-centric data in organizational databases recording day-to-day operations and scientific or experimental data.</p> Signup and view all the answers

<p>The caution mentioned is that not all data that is accessible is good to be used.</p> Signup and view all the answers

<p>The two methods mentioned are obtaining data from APIs (e.g. Google Map API, Facebook API, Twitter API) and web scraping, which involves extracting data from what is displayed on a page or what is contained in the HTML file.</p> Signup and view all the answers

<p>Existing external data sources mentioned are public government databases, stock market data, and Yelp reviews, which are usually (somewhat) pre-processed.</p> Signup and view all the answers

<p>The steps involved are collecting and understanding data, cleaning and formatting data, and using data to create a solution through data analysis and/or machine learning.</p> Signup and view all the answers