Chapter 3Graphing
It is not traditional for a book on numerical methods to devote much space to graphing of data and functions. Yet graphing is an essential part of scientific and engineering work, and R has very strong graphics tools. Therefore, we include a chapter on the topic here. Two recent books on graphing with R are
Paul Murrell, R Graphics, Second Edition, Chapman & Hall/CRC, 2011
Hrishi V. Mittal, R Graphs Cookbook, Packt Publishing, 2011
3.1 Scatter plots
Perhaps the most common type of plot encountered in the scientific and engineering literature is the scatter plot of a dependent variable y measured or evaluated at a set of discrete points of an independent variable x. As an example, we simulate measurement of the function ...
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