# Blog

We provide practical tutorials on data mining, visualization and statistics for decision making.

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This article describes how to create a pie chart and donut chart using the ggplot2 R package. Pie chart is just a stacked bar chart in polar coordinates. The function

#### How to Create a Pie Chart in R using GGPLot2

This article describes how to create a pie chart and donut chart using the ggplot2 R package. Pie chart is just a stacked bar chart in polar coordinates. The function

In this article, you will learn how to create a bubble chart in R using the ggplot2 package. Prerequisites Load the ggplot2 package and set the theme function theme_bw() as

#### How to Create a Bubble Chart in R using GGPlot2

In this article, you will learn how to create a bubble chart in R using the ggplot2 package. Prerequisites Load the ggplot2 package and set the theme function theme_bw() as

In this article, you will learn how to change a ggplot legend order. Prerequisites Load the ggplot2 package and set the theme function theme_classic() as the default theme: library(ggplot2) theme_set(

#### How to Change GGPlot Legend Order

In this article, you will learn how to change a ggplot legend order. Prerequisites Load the ggplot2 package and set the theme function theme_classic() as the default theme: library(ggplot2) theme_set(

In this article, you will learn how to set ggplot breaks for continuous x and y axes. The function scale_x_continuous() and scale_y_continuous() can be used for ggplot axis breaks

#### How to Set GGPlot Breaks

In this article, you will learn how to set ggplot breaks for continuous x and y axes. The function scale_x_continuous() and scale_y_continuous() can be used for ggplot axis breaks

In this article, you will learn how to easily create a histogram by group in R using the ggplot2 package. Prerequisites Load the ggplot2 package and set the theme function

#### How to Create Histogram by Group in R

In this article, you will learn how to easily create a histogram by group in R using the ggplot2 package. Prerequisites Load the ggplot2 package and set the theme function

You will learn how to plot smooth line using ggplot2. Contents: Prerequisites Key R function: geom_smooth() Regression line Loess method for local regression fitting Polynomial interpolation Spline interpolation Prerequisites Load

#### How to Plot a Smooth Line using GGPlot2

You will learn how to plot smooth line using ggplot2. Contents: Prerequisites Key R function: geom_smooth() Regression line Loess method for local regression fitting Polynomial interpolation Spline interpolation Prerequisites Load

There are many R packages/functions for combining multiple ggplots into the same graphics. These include: gridExtra::grid.arrange() and cowplot::plot_grid. Recently, Thomas Lin Pederson developed the patchwork R package to make very

#### GGPlot Multiple Plots Made Ridiculuous Simple Using Patchwork R Package

There are many R packages/functions for combining multiple ggplots into the same graphics. These include: gridExtra::grid.arrange() and cowplot::plot_grid. Recently, Thomas Lin Pederson developed the patchwork R package to make very

This article provide many examples for creating a ggplot map. You will also learn how to create a choropleth map, in which areas are patterned in proportion to a given

#### How to Create a Map using GGPlot2

This article provide many examples for creating a ggplot map. You will also learn how to create a choropleth map, in which areas are patterned in proportion to a given

This article describes how to change easily ggplot facet labels. Contents: Prerequisites Basic ggplot with facet Change the text of facet labels Customize facet labels appearance Change facet background

#### How to Change GGPlot Facet Labels

This article describes how to change easily ggplot facet labels. Contents: Prerequisites Basic ggplot with facet Change the text of facet labels Customize facet labels appearance Change facet background

This article describes how to install ggplot2 in R. Installing ggplot2 The ggplot2 package can be easily installed using the R function install.packages(). You need to type the following R

#### How to Install GGPLOT2 in R

This article describes how to install ggplot2 in R. Installing ggplot2 The ggplot2 package can be easily installed using the R function install.packages(). You need to type the following R