ggplot   1156

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Do more with R: drag-and-drop ggplot | InfoWorld
Do more with R: drag-and-drop ggplot | InfoWorld
R  tutorial  ggplot  t  vis 
6 days ago by paulbradshaw
Be Awesome in ggplot2: A Practical Guide to be Highly Effective - R software and data visualization
ggplot2 is a powerful and a flexible R package, implemented by Hadley Wickham, for producing elegant graphics. The gg in ggplot2 means Grammar of Graphics, a graphic concept which describes plots by using a “grammar”.

According to ggplot2 concept, a plot can be divided into different fundamental parts : Plot = data + Aesthetics + Geometry.

The principal components of every plot can be defined as follow:

data is a data frame
Aesthetics is used to indicate x and y variables. It can also be used to control the color, the size or the shape of points, the height of bars, etc…..
Geometry corresponds to the type of graphics (histogram, box plot, line plot, density plot, dot plot, ….)

Two main functions, for creating plots, are available in ggplot2 package : a qplot() and ggplot() functions.

qplot() is a quick plot function which is easy to use for simple plots.
The ggplot() function is more flexible and robust than qplot for building a plot piece by piece.

The generated plot can be kept as a variable and then printed at any time using the function print().

After creating plots, two other important functions are:

last_plot(), which returns the last plot to be modified
ggsave(“plot.png”, width = 5, height = 5), which saves the last plot in the current working directory.
r  ggplot  visualization 
5 weeks ago by jotjotjes
ggplot2 - EssentialsEasy Guides
ggplot2 is a powerful and a flexible R package, implemented by Hadley Wickham, for producing elegant graphics.

The concept behind ggplot2 divides plot into three different fundamental parts: Plot = data + Aesthetics + Geometry.

The principal components of every plot can be defined as follow:

data is a data frame
Aesthetics is used to indicate x and y variables. It can also be used to control the color, the size or the shape of points, the height of bars, etc…..
Geometry defines the type of graphics (histogram, box plot, line plot, density plot, dot plot, ….)

There are two major functions in ggplot2 package: qplot() and ggplot() functions.

qplot() stands for quick plot, which can be used to produce easily simple plots.
ggplot() function is more flexible and robust than qplot for building a plot piece by piece.

This document provides R course material for producing different types of plots using ggplot2.
r  ggplot  visualization 
5 weeks ago by jotjotjes
Top 50 ggplot2 Visualizations - The Master List (With Full R Code)
This is part 3 of a three part tutorial on ggplot2, an aesthetically pleasing (and very popular) graphics framework in R. This tutorial is primarily geared towards those having some basic knowledge of the R programming language and want to make complex and nice looking charts with R ggplot2.

Part 1: Introduction to ggplot2, covers the basic knowledge about constructing simple ggplots and modifying the components and aesthetics.

Part 2: Customizing the Look and Feel, is about more advanced customization like manipulating legend, annotations, multiplots with faceting and custom layouts

Part 3: Top 50 ggplot2 Visualizations - The Master List, applies what was learnt in part 1 and 2 to construct other types of ggplots such as bar charts, boxplots etc.
r  statistics  visualization  ggplot 
5 weeks ago by jotjotjes
Twitter
Question for folks who export PDFs from :

I'm exporting to Cairo PDF device on a Mac

Font renders…
dataviz  ggplot  from twitter
5 weeks ago by jburnmurdoch

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