Create Dot Charts in R Programming - dotchart () Function Last Updated : 15 Jul, 2025 Comments Improve Suggest changes 3 Likes Like Report dotchart() function in R Language is used to create a dot chart of the specified data. A dot chart is defined as a plot which is used to draw a Cleveland dot plot. Syntax: dotchart(x, labels = NULL, groups = NULL, gcolor = par("fg"), color = par("fg")) Parameters: x: it is defined as numeric vector or matrix labels: a vector of labels for each point. groups: a grouping variable indicating how the elements of x are grouped. gcolor: color to be used for group labels and values. color: the color(s) to be used for points and labels. Example 1: r # Dot chart of a single numeric vector dotchart(mtcars$mpg, labels = row.names(mtcars), cex = 0.9, xlab = "mpg") Output: Example 2: r # Plot and color by groups cyl grps <- as.factor(mtcars$cyl) my_cols <- c("blue", "darkgreen", "orange") dotchart(mtcars$mpg, labels = row.names(mtcars), groups = grps, gcolor = my_cols, color = my_cols[grps], cex = 0.9, pch = 22, xlab = "mpg") Output: Example : R # Create a vector of data data <- c(3, 8, 12, 15, 19, 22, 24, 27, 30) # Create a vector of labels for the data points labels <- c("A", "B", "C", "D", "E", "F", "G", "H", "I") # Create a dot chart dotchart(data, labels = labels, main = "Dot Chart Example", xlab = "Value", ylab = "Label") output : Comment K kaurbal1698 Follow 3 Improve K kaurbal1698 Follow 3 Improve Article Tags : R Language R Plot-Function Explore R Tutorial | Learn R Programming Language 4 min read IntroductionR Programming Language - Introduction 4 min read Interesting Facts about R Programming Language 4 min read R vs Python 5 min read Environments in R Programming 3 min read Introduction to R Studio 4 min read How to Install R and R Studio? 4 min read Creation and Execution of R File in R Studio 5 min read Clear the Console and the Environment in R Studio 2 min read Hello World in R Programming 2 min read Fundamentals of RBasic Syntax in R Programming 3 min read Comments in R 3 min read R-Operators 5 min read R-Keywords 2 min read R-Data Types 5 min read VariablesR Variables - Creating, Naming and Using Variables in R 5 min read Scope of Variable in R 5 min read Dynamic Scoping in R Programming 5 min read Lexical Scoping in R Programming 4 min read Input/OutputTaking Input from User in R Programming 7 min read Printing Output of an R Program 4 min read Print the Argument to the Screen in R Programming - print() Function 2 min read Control FlowControl Statements in R Programming 4 min read Decision Making in R Programming - if, if-else, if-else-if ladder, nested if-else, and switch 3 min read Switch case in R 2 min read For loop in R 5 min read R - while loop 5 min read R - Repeat loop 2 min read goto statement in R Programming 2 min read Break and Next statements in R 3 min read FunctionsFunctions in R Programming 5 min read Function Arguments in R Programming 4 min read Types of Functions in R Programming 6 min read Recursive Functions in R Programming 4 min read Conversion Functions in R Programming 4 min read Data StructuresData Structures in R Programming 4 min read R Strings 6 min read R-Vectors 4 min read R-Lists 6 min read R - Array 7 min read R-Matrices 10 min read R-Factors 4 min read R-Data Frames 6 min read Object Oriented ProgrammingR-Object Oriented Programming 7 min read Classes in R Programming 3 min read R-Objects 3 min read Encapsulation in R Programming 3 min read Polymorphism in R Programming 6 min read R - Inheritance 7 min read Abstraction in R Programming 3 min read Looping over Objects in R Programming 5 min read S3 class in R Programming 8 min read Explicit Coercion in R Programming 3 min read Error HandlingHandling Errors in R Programming 3 min read Condition Handling in R Programming 5 min read Debugging in R Programming 3 min read Like