CHAPTER 6 Flashcards
Aims to depict data graphically to help identify outliers, detect trends and patterns and suggest a hypothesis and formal testing
_____ suggest a formal testing and hypothesis TRUE
Exploratory Data Analysis
What is the primary purpose of EDA?
Understand the broad question of “What is going on?” We use data in healthcare to answer research questions/management dilemmas every day.
What is step 1 of exploratory data analysis?
Extraction
What is step 2 of exploratory data analysis?
Data Preparation
What is step 3 of exploratory data analysis?
Import the Data
What is step 4 of exploratory data analysis?
Data Visualization
What are the commands for MySQL?
SELECT, FROM, WHERE, JOIN
Can be used to organize numbers after you run SQL; gives frequency of distribution
Contingency Tables
Tell us where to pull information from in the query
Table Headers
Command used to pull excel tables
SELECT
Have headers that tell us which attributes are under each column
Excel Columns
Used to get data from contingency tables into visualization
GGPlot
The first phase of SQL
Data Extraction