Exam objectives

Note: This list omits objectives from the “review” section, but they are still relevant.

• Read in data from common formats into R or Python

• Identify delimiters, headers, and other essential components of files

• Create charts designed to communicate specific aspects of the data

• Describe charts using the grammar of graphics

• Create layered graphics that highlight multiple aspects of the data

• Evaluate existing charts and develop new versions that improve accessibility and readability

• Identify required sequence of steps for data cleaning

• Describe step-by-step data cleaning process in lay terms appropriately

• Apply data manipulation verbs to prepare data for analysis

• Understand the consequences of data cleaning steps for statistical analysis

• Create summaries of data appropriate for analysis or display using data manipulation techniques

You have also been introduced to the objectives of Exploratory Data Analysis:

• Understand the main goals of exploratory data analysis

• Generate and answer questions about a new data set using charts, tables, and numerical summaries