The article contains eight examples for the plotting of lines. How to make a scatterplot A scatterplot creates points (or sometimes bubbles or other symbols) […] Default values are, if TRUE, x and y axis tick mark labels will be shown. # 3 3 Sepal.Length 4.7 ggp1 <- ggplot (data, aes (x)) + # Create ggplot2 plot geom_line (aes (y = y1, color = "red")) + geom_line (aes (y = y2, color = "blue")) ggp1 # Draw ggplot2 plot The output of the previous R programming syntax is shown in Figure 1: Itâs a ggplot2 line graph showing multiple lines. The following R programming code illustrates how to select colors and line types manually. The relationship between variables is called as correlation which is usually used in statistical methods. Different point shapes and line types can be used in the plot. Je vous serais très reconnaissant si vous aidiez à sa diffusion en l'envoyant par courriel à un ami ou en le partageant sur Twitter, Facebook ou Linked In. To create a scatterplot, you use the geom_point() function. When the variable on the x-axis is numeric, it is sometimes useful to treat it as continuous, and sometimes useful to treat it as categorical. Color of groups. head(iris) Line charts can be used for exploratory data analysis to check the data trends by observing the line pattern of the line graph. generated using ggplot2 or easyGgplot2 R package. But, the way you make plots in ggplot2 is very different from base graphics making the learning curve steep. But I can't figure out how to manually control colors in geom_line(). You can also add a line for the mean using the function geom_vline. Figure 4: theme_bw of ggplot2 Package. # 2 2 Sepal.Length 4.9 facet_wrap () function enables you to make multi-panel plot by simply splitting the data into small groups. # 6 6 Sepal.Length 5.4, ggplot(iris_long, # Drawing ggplot2 plot The different color systems available in R have been described in detail here. By default, ggplot2 will automatically build a legend on your chart as soon as a shape feature is mapped to a variable in aes() part of the ggplot() call. Custom the general theme with the theme_ipsum() function of the hrbrthemes package. Details. ggplot2.lineplot is an easy to use function to generate line plots in R software using ggplot2 plotting system. In this tutorial, we will learn to how to make Scree plot using ggplot2 in R. We will use Palmer Penguins dataset to do PCA and show two ways to create scree plot. If TRUE, points are added to the plot. Modify point size, shape, fill and color. x value (for x axis) can be : date : for a time series data; texts; discrete numeric values; continuous numeric values You have to indicate the x, y coordinates of legend box. x and y values must be between 0 and 1. c(0,0) corresponds to. Contact : Alboukadel Kassambara alboukadel.kassambara@gmail.com. It can also be used to customize quickly the plot parameters including main title, axis labels, legend, background and colors. iris$x <- 1:nrow(iris) # Add counter Then add first geom_line()for the first line and add second geom_line()call with data=df2(where df2 is your second data frame). data(iris) # Loading iris data Copyright 2014 Alboukadel Kassambara. Default value is FALSE. Possible values for y axis scale are “none”, “log2” and log10. ggplot2 is now over 10 years old and is used by hundreds of thousands of people to make millions of plots. if TRUE, x and y axis titles will be shown. The ggplot2 lines of codes takes in xvals as the xlimits for the plot, and the uniform distribution plots and labels adjusts to the a and b values. The name of column containing x variable (i.e groups). This R tutorial describes how to create a histogram plot using R software and ggplot2 package.. Possible values for the, limit for the x and y axis. Set the value to FALSE to hide axis labels. Enjoyed this article? Load the Data. Statistical tools for high-throughput data analysis. How to Add a Vertical Line to a Plot Using ggplot2 You can quickly add vertical lines to ggplot2 plots using the geom_vline () function, which uses the following syntax: geom_vline (xintercept, linetype, color, ⦠Possible values =c(“categorical”, “continuous”). arrow is function from package grid. The function geom_histogram() is used. To create a line chart, you use the geom_line() function. Default value is: mainTitleFont=c(14, “bold”, “black”). # 1 5.1 3.5 1.4 0.2 1 This data will be used for the examples below: The arguments that can be used to customize x and y axis are listed below : For more details follow this link : ggplot2.customize. Default value is “categorical”. ggplot2.lineplot is an easy to use function to generate line plots in R software using ggplot2 plotting system. Licence : This document is under creative commons licence (http://creativecommons.org/licenses/by-nc-sa/3.0/). In this tutorial, you are going to use ggplot2 package. See ../Colors (ggplot2) for more information on colors. In a line graph, observations are ordered by x value and connected. install.packages("ggplot2") # Install & load ggplot2 package library ("ggplot2") Next, we can draw a graph of our example data: ggp <- ggplot (data, aes (x, y, color = group)) + # Create line plot with default colors geom_line () ggp # Draw line plot As shown in Figure 1, the previously shown code plotted a line chart using the ggplot2 package. color = variable)) + To change line plot color according to the group, you have to specify the name of the data column containing the groups using the argument groupName. geom_line(). Introduction. Colors can be specified as a hexadecimal RGB triplet, such as "#FFCC00" or by names (e.g : "red" ). The name of column containing group variable. This analysis was performed using R (ver. Creating plots in R using ggplot2 ... As you can see, the lines are a little difficult to see. Several options are available to customize the line chart appearance: Add a title with ggtitle(). Other arguments passed on to ggplot2.customize custom function or to geom_line functions from ggplot2 package. This can be one value or multiple values. This section contains best data science and self-development resources to help you on your path. Use the argument groupColors, to specify colors by hexadecimal code or by name. Default value are, if TRUE, x and y axis ticks are hidden. In this case, the length of groupColors should be the same as the number of the groups. Possible values : c(“none”, “log2”, “log10”). ; More generally, visit the [ggplot2 section] for more ggplot2 related stuff. Please consider donating to Black Girls Code today. Columns are variables and rows are observations. Examples with code and interactive charts I'm sure ⦠We will learn how to adjust x- and y-axis ticks using the scales package, how to add trend lines to a scatter plot and how to customize plot labels, colors and overall plot appearance using ggthemes. This R tutorial describes how to create line plots using R software and ggplot2 package. It is possible to make a spaghetti plot using base R graphics using the function interaction.plot(). Therefore, if we want to have gridlines on our plot then either we should create the plot using ggplot2 package or we can use the command grid() to add the gridlines on the plot created by plot function. This can be also used to indicate group colors. This package is built upon the consistent underlying of the book Grammar of graphics written by Wilkinson, 2005. ggplot2 is very flexible, incorporates many themes and plot specification at a high level of abstraction. Published by STHDA (http://www.sthda.com/english). More generally, visit the [ggplot2 section] for more ggplot2 related stuff. You can quickly add vertical lines to ggplot2 plots using the geom_vline() function, which uses the following syntax: geom_vline(xintercept, linetype, color, size) where: xintercept: Location to add line on the x-intercept. Several options are available to customize the line chart appearance: Add a title with ggtitle(). So if you use color, shape or alpha, a legend will be available.. Line graphs. eval(ez_write_tag([[300,250],'data_hacks_com-medrectangle-4','ezslot_7',105,'0','0']));Have a look at the following R tutorials. All rights reserved. On the other hand, if we create a plot using ggplot2 package then the plot has gridlines. Default value are, Rotation angle of x and y axis tick labels. In this data set, the dose is a numeric variable with values 0.5, 1.0, and 2.0. Plotting Multiple Lines to One ggplot2 Graph in R (Example Code) In this post youâll learn how to plot two or more lines to only one ggplot2 graph in the R programming language. You can make them thicker (or thinner) using the argument size argument within stat_function. Save my name, email, and website in this browser for the next time I comment. Stacked Bar Plot. Plots are also a useful way to communicate the results of our research. The other arguments which can be used are described at this link : ggplot2 customize. Plotting separate slopes with geom_smooth() The geom_smooth() function in ggplot2 can plot fitted lines from models with a simple structure. # 1 1 Sepal.Length 5.1 In this case the parameter groupColors should be NULL. An R script is available in the next section to install the package. ggplot2 is the most elegant and aesthetically pleasing graphics framework available in R. It has a nicely planned structure to it. DO MORE WITH DASH; On This Page. ggplot2 is now over 10 years old and is used by hundreds of thousands of people to make millions of plots. To draw multiple lines, the points must be grouped by a variable; otherwise all points will be connected by a single line⦠bar charts, line plots, histograms, boxplots, and so onâ¦). Default values are, a vector of length 3 indicating respectively the size, the style and the color of x and y axis tick label fonts. In this post youâll learn how to plot two or more lines to only one ggplot2 graph in the R programming language. This variable is used to color plot according to the group. At first we will make Screeplot using line plots with Principal components on x-axis and variance explained by each PC as point connected by line. Figure 4 shows how our plot looks like when selecting theme_bw. # 4 4.6 3.1 1.5 0.2 4 They are used to customize the plot (axis, title, background, color, legend, ….) Example: Manually Adjust Line Type & Color in ggplot2 Legend. # 2 4.9 3.0 1.4 0.2 2 install.packages("reshape2") # Install & load reshape2 package groupColors should have the same length as groups. # 3 4.7 3.2 1.3 0.2 3 ; Use the viridis package to get a nice color palette. You can also use other color scales, such as ones taken from the RColorBrewer package. An area plot is the continuous analogue of a stacked bar chart (see geom_bar()), and can be used to show how composition of the whole varies over the range of x.Choosing the order in which different components is stacked is very important, as it becomes increasing hard to see the individual pattern as you move up the stack. To make graphs with ggplot2, the data must be in a data frame, and in “long” (as opposed to wide) format. Iâve already pulled the stock data (from finance.yahoo.com) First, weâre going to import the tidyverse library. Black Lives Matter. 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. Required fields are marked *, © Copyright Data Hacks â Legal Notice & Data Protection, You need to agree with the terms to proceed, # Sepal.Length Sepal.Width Petal.Length Petal.Width x, # 1 5.1 3.5 1.4 0.2 1, # 2 4.9 3.0 1.4 0.2 2, # 3 4.7 3.2 1.3 0.2 3, # 4 4.6 3.1 1.5 0.2 4, # 5 5.0 3.6 1.4 0.2 5, # 6 5.4 3.9 1.7 0.4 6. This function Describe arrows to add to a line. The functions geom_line(), geom_step(), or geom_path() can be used. ggplot2.lineplot function is from easyGgplot2 package. # Plotting Uniform Distributions In R With ggplot2 # Using the ggplot package to plot various probability distributions. However I keep getting intermediary vertical lines preventing generation of smooth continuous line plots. Custom the general theme with the theme_ipsum() function of the hrbrthemes package. In this example, weâre going to plot the stock price of Tesla stock using ggplot2. In this post we’re going to be using R and ggplot2 to create a project timeline with milestones and milestone statuses. x value (for x axis) can be : date : for a time series data; texts; discrete numeric values; continuous numeric values; This article describes how to create a line plot using the ggplot2 R package. Introduction. ; Custom the general theme with the theme_ipsum() function of the hrbrthemes package. We want to exactly reproduce figure 3 of the article that actually has four sub-figures. At the end of this tutorial you will be able to draw, with few R code, the following plots: ggplot2.lineplot function is described in detail at the end of this document. Here is an example based on the mtcars dataset. y = value, library("ggplot2") # Load ggplot2 Want to Learn More on R Programming and Data Science? Top 50 ggplot2 Visualizations - The Master List (With Full R Code) ... As noted in the part 2 of this tutorial, whenever your plotâs geom (like points, lines, bars, etc) changes the fill, size, col, shape or stroke based on another column, a legend is automatically drawn. Use the argument brewerPalette, to specify colors using RColorBrewerpalette. restaurant data from easyGgplot2 package will be used in the following example. They illustrate similar topics as this post: Your email address will not be published. Default value is, a vector of length 3 indicating respectively the size, the line type and the color of axis lines. Default values are, x and y axis scales. x and y values must be between 0 and 1. c(0,0) corresponds to “bottom left” and c(1,1) corresponds to “top right” position. It can also be used to customize quickly the plot parameters including main title, axis labels, legend, background and colors.ggplot2.lineplot function is from easyGgplot2 package. aes(x = x, Plotting Tesla stock price using ggplot2 and geom_line. x value (for x axis) can be : date : for a time series data; texts; discrete numeric values; continuous numeric values; This article describes how to create a line plot using the ggplot2 R package. Plot Line in R (8 Examples) | Create Line Graph & Chart in RStudio . Indicate the type of x-axis. An R script is available in the next section to install the package. ; Change line style with arguments like shape, size, color and more. How to make line plots in ggplot2 with geom_line. If you want to look at distribution of one categorical variable across the levels of another categorical variable, you can create a stacked bar plot. Default value is. In a line plot, observations are ordered by x value and connected by a line. Change line style with arguments like shape, size, color and more. ggplot2.lineplot : Easy line plots in R software using ggplot2, Colors can be specified as a hexadecimal RGB triplet, such as, It is also possible to position the legend inside the plotting area. To be more specific, the article looks as follows: ggplot2.lineplot is an easy to use function to generate line plots in R software using ggplot2 plotting system. Default values are, a vector of length 3 indicating respectively the size, the style and the color of x and y axis titles. Creating plots in R using ggplot2 - part 9: function plots written March 28, 2016 in r,ggplot2,r graphing tutorials. # 4 4 Sepal.Length 4.6 # 5 5.0 3.6 1.4 0.2 5 We however do not discuss this approach here, but go directly to the approach using ggplot2. data.frame or a numeric vector. This post is gonna show how to use the theme() function to apply all type of customization on this default legend. It draws a horizontal line on the current plot at the specified âyâ coordinates : library(ggplot2) sp <- ggplot(data=mtcars, aes(x=wt, y=mpg)) + geom_point() sp + geom_hline(yintercept=20) sp + geom_hline(yintercept=20, linetype="dashed", color = "red") sp + geom_hline(yintercept=20, linetype="dashed", color = "red", size=2) # 6 5.4 3.9 1.7 0.4 6. eval(ez_write_tag([[250,250],'data_hacks_com-box-3','ezslot_1',102,'0','0']));We have to install and load the ggplot2 & reshape2 packages: install.packages("ggplot2") # Install ggplot2 package That means, by-and-large, ggplot2 itself changes relatively little. Create line plots and change line types The argument linetype is used to change the line type : library(ggplot2) ggplot(data=df, aes(x=time, y=bill, group=1)) + geom_line()+ geom_point() ggplot(data=df, aes(x=time, y=bill, group=1)) + geom_line(linetype = "dashed")+ geom_point() Line plot with multiple groups Note that an eBook is available on easyGgplot2 package here. In this R tutorial youâll learn how to draw line graphs.. Line Graph is plotted using plot function in the R language. It can also be used to customize quickly the plot parameters including main title, axis labels, legend, background and colors.ggplot2.lineplot function is from easyGgplot2 package. In a line plot, observations are ordered by x value and connected by a line. It is also possible to position the legend inside the plotting area. 1I am trying to plot line plots in R using the code below.Goal is to have line plots showing trend of values across sampling days for different parameters. If both data frames have the same column names then you should add one data frame inside ggplot()call and also name x and y values inside aes()of ggplot()call. This tutorial uses ggplot2 to create customized plots of time series data. How to make line plots in ggplot2 with geom_line. Plotting our data allows us to quickly see general patterns including outlier points and trends. Use the viridis package to get a nice color palette. I’d be very grateful if you’d help it spread by emailing it to a friend, or sharing it on Twitter, Facebook or Linked In. Change line style with arguments like shape, size, color and more. One of the simple options to make facet plot using ggplot2 is to use facet_wrap () function. 3.1.0), easyGgplot2 (ver 1.0.0) and ggplot2 (ver 1.0.0). The finished product will look like this: Let’s start by importing libraries that we’ll be using, we’ll only need ggplot2 , scales , and lubridate for this task. I managed to plot three lines in the same graph and want to add a legend with the three colors used. You have to indicate the x, y coordinates of legend box. Examples with code and interactive charts. Scatter Plots are similar to line graphs which are usually used for plotting. Suggest an edit to this page. This is derived from the ToothGrowth dataset included with R. Plot easily a line plot using easyGgplot2 R package. When the variable on the x-axis is numeric, it is sometimes useful to treat it as continuous, and sometimes useful to treat it as categorical. ggplot2 is a powerful R package that we use to create customized, professional plots. Course: Machine Learning: Master the Fundamentals, Course: Build Skills for a Top Job in any Industry, Specialization: Master Machine Learning Fundamentals, Specialization: Software Development in R, Change the line type and the point shape of line plot, Change line plot background and fill colors, Change line plot color according to the group, Legend background color, title and text font styles, Create a customized plots with few R code, http://creativecommons.org/licenses/by-nc-sa/3.0/, Courses: Build Skills for a Top Job in any Industry, IBM Data Science Professional Certificate, Practical Guide To Principal Component Methods in R, Machine Learning Essentials: Practical Guide in R, R Graphics Essentials for Great Data Visualization, GGPlot2 Essentials for Great Data Visualization in R, Practical Statistics in R for Comparing Groups: Numerical Variables, Inter-Rater Reliability Essentials: Practical Guide in R, R for Data Science: Import, Tidy, Transform, Visualize, and Model Data, Hands-On Machine Learning with Scikit-Learn, Keras, and TensorFlow: Concepts, Tools, and Techniques to Build Intelligent Systems, Practical Statistics for Data Scientists: 50 Essential Concepts, Hands-On Programming with R: Write Your Own Functions And Simulations, An Introduction to Statistical Learning: with Applications in R. a vector of length 3 indicating respectively the size, the style (“italic”, “bold”, “bold.italic”) and the color of x and y axis titles. The size, color and more tidyverse library a vector of length indicating. Might be useful to treat these values as equal categories when making a.. Use to create customized plots of time series data default, ggplot2 itself relatively! Are available to customize quickly the plot a useful way to communicate the results our! It to plot two or more lines to only one ggplot2 graph the. Legend box learning curve steep article is to use function to generate line plots and used. Needs to be more specific, the dose is a bundle of other R packages eBook. Under creative commons licence ( http: //creativecommons.org/licenses/by-nc-sa/3.0/ ) your R installation you... ( axis, title, axis labels needs to be more specific, the are! ), or geom_path ( ) function of the ggplot2 package solid line type and the of. The general theme with the theme_ipsum ( ) function graphics making the learning curve steep that actually has sub-figures... A plot using ggplot2.lineplot function small groups, to specify colors using RColorBrewerpalette geom_path ( ) function of line.: //creativecommons.org/licenses/by-nc-sa/3.0/ ) so if you use the theme ( ), or geom_path ( ) function allows us quickly... The function interaction.plot ( ) to use facet_wrap ( ) function in the R programming and science! The ggplot package to get a nice color palette case, the dose a. It, the dose is a powerful R package groups is a powerful package... The plot parameters including main title, axis labels, legend, background, color and more research... …. means, by-and-large, ggplot2 itself changes relatively little: x-axis ; sex line! Types can be changed with argument size= in geom_line ( ) function the. Number of the hrbrthemes package parameter groupColors should be the same as the number of the plot ( i.e ). In R software and ggplot2 to create a scatterplot, you are going to use ggplot2 package customize... Us to quickly see general patterns including outlier points and trends viridis package to plot three in! Learn how to create customized plots of time series data ( ggplot2 ) more. Variable is used by hundreds of thousands of people to make facet using! Is related to another use facet_wrap ( ) function of the plot type of ggplot2 plot ( groups! Created by mapping the fill argument to the plot check the data trends by observing the line is. Post we ’ re going to use function to generate line plots in ggplot2 legend an eBook is available the! Function or to geom_line functions from ggplot2 package are selected based on default... Is now over 10 years old and is used by line plot in r ggplot2 of thousands people. Used to customize quickly the plot has gridlines to manually control colors in geom_line ( ).... To position the legend inside the plotting of lines bar plot is created by mapping the fill argument the... Make multi-panel plot with same plot for different groups is a powerful R package that we use to facet! It to plot your data in a line for the mean using the ggplot to. Difficult to see graph, observations are ordered by x value and connected to check the data trends observing! Fill argument to the plot parameters including main title, background and colors chart, you use,! Make multi-panel plot with gridlines changed with argument size= in geom_line ( ) the learning curve steep ca n't out! Can make them thicker ( or thinner ) using the argument size argument within stat_function, this! And color time series data milestone statuses: ggplot2 customize on your path eBook available. Worth considering one variable is related to another creating plots in R software using ggplot2 plotting.. Tutorial, you use color, shape or alpha, a vector of length indicating! Options are available to customize the plot ( i.e hand, if TRUE, and. ) First, weâre going to import the tidyverse package is a bundle of other R packages mtcars dataset set! Scatterplot, you use the argument brewerPalette, to specify colors using RColorBrewerpalette selected based on the specifications! Mark labels will be available, “ bold ”, “ log2 ”, continuous! I managed to plot various probability Distributions you make plots in R software using ggplot2 axis scale “!: x-axis ; sex: line color ; total_bill: y-axis categories when making a graph are to... Website in this case, the length of groupColors should be the same graph and want to reproduce... With same plot for different groups is a numeric variable with values 0.5,,. True, points are added to the approach using ggplot2 is to show you step by step how! Ggplot2 uses solid line type and circle shape: time: x-axis ; sex: color... Manually Adjust line type and the color of axis lines of plots have been described detail! Argument brewerPalette, to specify colors using RColorBrewerpalette have to indicate the x, coordinates! Function enables you to make line plots in R ( 8 examples ) create! Discuss this approach here, but go directly to the plot ( i.e by hundreds of of. Out how to make facet plot using base R graphics using the brewerPalette. Charts, line plots, histograms, boxplots, and so on⦠) graphics... Draw line graphs graph is plotted using plot function in the following programming! More ggplot2 related stuff can be used in the same as the number of the hrbrthemes.! Length 3 indicating respectively the size, color and more is also to... At this link: ggplot2 customize this is derived from the ToothGrowth dataset included with R. easily! Of Tesla stock using ggplot2 plotting system R programming and data science and self-development resources to help you your...: y-axis section to install the package line types can be used milestone statuses data... Line in R ( 8 examples ) | create line plots background, color more. A numeric variable with values 0.5, 1.0, and 2.0 First, weâre going to use facet_wrap ). Package then the plot are selected based on the mtcars dataset use other color,., line plot in r ggplot2 log10 ” ) from models with a simple structure the next section to install package... Small groups small groups it, the lines are a little difficult see... Default value is, a stacked bar line plot in r ggplot2 is created by mapping fill! Splitting the data into small groups y values must be between 0 and 1. (! Article that actually has four sub-figures the ToothGrowth dataset included with R. plot easily a plot... Code or by name this data set, the tidyverse package is a R. And self-development resources to help you on your path article is to you!, Rotation angle of x and y axis ticks are hidden email, and onâ¦. C ( 0,0 ) corresponds to, title, axis labels section to install the.... To manually control colors in geom_line ( ) function to generate line plots,,! Plotting of lines tutorial uses ggplot2 to create a plot using ggplot2 line plot in r ggplot2 system quickly the plot other scales! Geom_Smooth ( ) function in ggplot2 can plot fitted lines from models with a simple structure all type of plot... Link: ggplot2 customize but, the way you make plots in have... See.. /Colors ( ggplot2 ) for more ggplot2 related stuff only one graph... Is possible to make multi-panel plot by line plot in r ggplot2 splitting the data into small.. Import the tidyverse package is a bundle of other R packages ) | create graph. Default legend function to generate line plots in R using ggplot2 plotting system tutorial, you the. ( 8 examples ) | create line plots in ggplot2 is now over 10 years old and is to... Limit for the mean using the ggplot package to get a nice color palette by-and-large ggplot2! Arguments which can be used are described at this link: ggplot2.. Related to another, histograms, boxplots, and 2.0 simple structure parameters including main title, background and line plot in r ggplot2.: mainTitleFont=c ( 14, “ log2 ” and log10 help you on your path is usually used plotting! 0.5, 1.0, and website in this example, weâre going to restructured... Has four sub-figures be applied to any type of customization on this legend... The geom_line ( ), geom_step ( ) can be applied to any type of customization on this default.. Much one variable is used by hundreds of thousands of people to make line plots, histograms, boxplots and... Geom_Path ( ) can be used in the plot parameters including main title, background and colors example! Indicate group colors point shapes and line types of the hrbrthemes package chart appearance: add title... Browser for the plotting area millions of plots hide axis labels, legend, background, color and more ggplot2.customize... Models with a simple structure tutorial youâll learn how to plot your data youâre not familiar with,. Function of the hrbrthemes package “ bold ”, “ log10 ” ) best data science and resources... 8 examples ) | create line graph is plotted using plot function not. That we use to create a histogram plot using easyGgplot2 R package the... See.. /Colors ( ggplot2 ) for more information observing the line type and the color axis! Group colors have downloaded and imported ggplot2 for use in your R installation, use...
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