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Introduction to Data in R

via Datacamp

Overview

Learn the language of data, study types, sampling strategies, and experimental design.

Scientists seek to answer questions using rigorous methods and careful observations. These observations—collected from the likes of field notes, surveys, and experiments—form the backbone of a statistical investigation and are called data. Statistics is the study of how best to collect, analyze, and draw conclusions from data. It is helpful to put statistics in the context of a general process of investigation: 1) identify a question or problem; 2) collect relevant data on the topic; 3) analyze the data; and 4) form a conclusion. In this course, you'll focus on the first two steps of the process.

Syllabus

Language of data
-This chapter introduces terminology of datasets and data frames in R.

Study types and cautionary tales
-In this chapter, you will learn about observational studies and experiments, scope of inference, and Simpson's paradox.

Sampling strategies and experimental design
-This chapter defines various sampling strategies and their benefits/drawbacks as well as principles of experimental design.

Case study
-Apply terminology, principles, and R code learned in the first three chapters of this course to a case study looking at how the physical appearance of instructors impacts their students' course evaluations.

Taught by

Mine Cetinkaya-Rundel

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