The Purpose of Ecology

A Quick (yet su?ciently complete) Introduction to R Derek Sonderegger September 17, 2012 1 in that respect are several introductions to R. This is yet other one of them. Derek Sonderegger discussion section of Mathematics and Statistics Northern azimuth University Contents 1 What is R? 1.1 1.2 R as a simple calculator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 5 6 7 7 8 9 9 10 11 12 12 13 15 15 17 19 19 20 21 23 24 26 2 data Types: vectors 2.1 2.2 2.3 2.4 2.5 2.6 Vector creation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Accessing Vector Elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Scalar Functions Applied to Vectors . . . . . . . . . . . . . . . . . . . . . . . . . . Vector Algebra . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . usually apply Vector Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . Numerical, Categorical, and Logical Vectors . . . . . . . . . . . . . . . . . . . . . . 3 information Types: Matrices and Data Frames 3.1 3.2 Matrices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Data Frames . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Using R for statistical tables 4.1 4.2 4.3 4.4 d-function() . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . p-function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . q-function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . r-function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 canonic graphing using ggplot2 5.1 5.2 5.3 5.4 Simple Graphs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Color, Size, Shape, and other aesthetic attribu tes . . . . . . . . . . . . . . . . . ....If! you penury to jack off a full essay, order it on our website: BestEssayCheap.com

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