Awesome R Tips and Tricks Archives - Datanovia https://www.datanovia.com/en/blog/category/r-tips-and-tricks/ Data Mining and Statistics for Decision Support Wed, 25 Dec 2019 09:17:36 +0000 en-US hourly 1 https://wordpress.org/?v=6.8.2 R Histogram Example Quick Reference https://www.datanovia.com/en/blog/r-histogram-example-quick-reference/ https://www.datanovia.com/en/blog/r-histogram-example-quick-reference/#respond Wed, 16 Jan 2019 01:27:04 +0000 https://www.datanovia.com/en/?p=8436             This article shows some R histogram examples. Demo data Weight data by sex: set.seed(1234) wdata = data.frame( sex = factor(rep(c("F", "M"), each=200)), weight = c(rnorm(200, 55), rnorm(200, 58)) ) […]

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]]> https://www.datanovia.com/en/blog/r-histogram-example-quick-reference/feed/ 0 How to Create Icon in R https://www.datanovia.com/en/blog/how-to-create-icon-in-r/ https://www.datanovia.com/en/blog/how-to-create-icon-in-r/#respond Wed, 16 Jan 2019 01:02:20 +0000 https://www.datanovia.com/en/?p=8432              Create Icon in R This article describes how to create icon in R with transparent background from a ggplot. Contents: Prerequisites Load ggplot2 and create a helper theme for […]

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]]> https://www.datanovia.com/en/blog/how-to-create-icon-in-r/feed/ 0 How to Add Title to a GGPlot https://www.datanovia.com/en/blog/how-to-add-title-to-a-ggplot/ https://www.datanovia.com/en/blog/how-to-add-title-to-a-ggplot/#respond Wed, 02 Jan 2019 00:08:47 +0000 https://www.datanovia.com/en/?p=8338             This tutorial shows how to add title to a ggplot. The function labs() is used. Prerequisites Load required packages and set the theme function theme_minimal() as the default theme: […]

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]]> https://www.datanovia.com/en/blog/how-to-add-title-to-a-ggplot/feed/ 0 How to Stimulate Colorblindness Vision in R Figures https://www.datanovia.com/en/blog/how-to-stimulate-colorblindness-vision-in-r-figures/ https://www.datanovia.com/en/blog/how-to-stimulate-colorblindness-vision-in-r-figures/#comments Tue, 20 Nov 2018 06:16:51 +0000 https://www.datanovia.com/en/?p=8215             This article describes how to simulate colorblindness vision in production-ready R figures using the colorblinr package. We’ll also present some colorblind-friendly palette. In some populations, up to 10% of […]

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]]> https://www.datanovia.com/en/blog/how-to-stimulate-colorblindness-vision-in-r-figures/feed/ 1 How to Create Beautiful Color Palettes in R https://www.datanovia.com/en/blog/how-to-create-beautiful-color-palettes-in-r/ https://www.datanovia.com/en/blog/how-to-create-beautiful-color-palettes-in-r/#respond Tue, 20 Nov 2018 05:41:09 +0000 https://www.datanovia.com/en/?p=8213             This tutorial describes how to generate color palettes in R. Color is crucial for elegant data visualization. You will learn the basics for using the power of color and, […]

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]]> https://www.datanovia.com/en/blog/how-to-create-beautiful-color-palettes-in-r/feed/ 0 Easy Way To Expand Color Palettes in R https://www.datanovia.com/en/blog/easy-way-to-expand-color-palettes-in-r/ https://www.datanovia.com/en/blog/easy-way-to-expand-color-palettes-in-r/#comments Mon, 19 Nov 2018 20:53:19 +0000 https://www.datanovia.com/en/?p=8211 1    1     2Shares This article describes how to use the colorRampPalette() R function to expand color palettes. We’ll provide practical example with ggplot2. The color scales defined in the RColorBrewer and in […]

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]]> https://www.datanovia.com/en/blog/easy-way-to-expand-color-palettes-in-r/feed/ 5 GGPlot Gradient Color https://www.datanovia.com/en/blog/ggplot-gradient-color/ https://www.datanovia.com/en/blog/ggplot-gradient-color/#respond Mon, 19 Nov 2018 20:35:22 +0000 https://www.datanovia.com/en/?p=8209 1      11  3Shares This article describes how create a ggplot with gradient color. You will learn how to change the ggplot2 default gradient color, as well as, how to set gradient between […]

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]]> https://www.datanovia.com/en/blog/ggplot-gradient-color/feed/ 0 R Colors: Amazing Resources You Want to Know https://www.datanovia.com/en/blog/r-colors-amazing-resources-you-want-to-know/ https://www.datanovia.com/en/blog/r-colors-amazing-resources-you-want-to-know/#respond Sun, 18 Nov 2018 15:30:15 +0000 https://www.datanovia.com/en/?p=8205             This article provides amazing list of R colors that you can use to create beautiful graphics. Colors can be specified either by names or by hexadecimal color codes. There […]

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]]> https://www.datanovia.com/en/blog/r-colors-amazing-resources-you-want-to-know/feed/ 0 Awesome List of Hexadecimal Colors You Should Have https://www.datanovia.com/en/blog/awesome-list-of-hexadecimal-colors-you-should-have/ https://www.datanovia.com/en/blog/awesome-list-of-hexadecimal-colors-you-should-have/#comments Sun, 18 Nov 2018 11:07:04 +0000 https://www.datanovia.com/en/?p=8201   11       2Shares This article presents an awesome list of hexadecimal colors chart. You will also learn how to use these colors in R. When creating a plot, colors can be specified […]

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]]> https://www.datanovia.com/en/blog/awesome-list-of-hexadecimal-colors-you-should-have/feed/ 1 The A – Z Of Rcolorbrewer Palette https://www.datanovia.com/en/blog/the-a-z-of-rcolorbrewer-palette/ https://www.datanovia.com/en/blog/the-a-z-of-rcolorbrewer-palette/#respond Sun, 18 Nov 2018 08:45:59 +0000 https://www.datanovia.com/en/?p=8199 122 21 3   11Shares  RColorBrewer is an R package that contains a ready-to-use color palettes for creating beautiful graphics. This article presents the different color palettes available in the RColorBrewer package. You will […]

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