O'Reilly logo

Data Analysis and Graphics Using R, Third Edition by W. John Braun, John Maindonald

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

2

Styles of data analysis

What is the best way to begin investigation of a new set of data? What forms of data exploration will draw attention to obvious errors or quirks in the data, or to obvious clues that the data contain? What checks are desirable before proceeding with an intended formal analysis, or to help decide what formal analysis may be appropriate? What can be learned from investigations that other researchers have done with similar data?

Competent statisticians have always used graphs to check their data. Numerical summaries, such as an average, can be very useful, but important features of the data may be missed without a glance ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required