August 2016
Intermediate to advanced
228 pages
4h 44m
English
Content preview from Introduction to R for Business IntelligenceBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Analyzing two variables together
If your dataset has two variables, you have bivariate data. When examining bivariate data, you want to explore possible relationships. This is where good questioning pays off. You can use the following four questions to guide your exploratory data analysis:
- What does the data look like?
- Is there any relationship between two variables?
- Is there any correlation between the two?
- Is the correlation significant?
Four words summarize these questions: Look-Relationships-Correlation-Significance. You will explore pairs of variables from the marketing dataset to investigate these questions using both tabular and graphical exploration methods.
What does the data look like?
This is something you know very well at this point. Summarize ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.