How to create a dotplot using lattice package in R?
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How to create a dotplot using lattice package in R?

This recipe helps you create a dotplot using lattice package in R

Recipe Objective

How to create a dotplot using lattice package in R? A dot plot or dot chart is a graphical representation of data points on the graph as circles (dots). A dot plot is similar to a bar plot with the exception of plotting dots instead of bars. Dot plots are used for quantitative/ categorical type of data. Lattice is a data visualization and graphics package in R. This recipe demonstrates an example of dot plots.

Step 1 - Install necessary package and library

``` install.packages("lattice") library(lattice) ```

Step 2 - Create a dataframe

``` data <- data.frame(values = c(10,20,30,40,50,60,70,80,90,100), count = c(5,5,5,5,6,6,6,7,7,7)) print(data) "Input data is : " values count 1 10 5 2 20 5 3 30 5 4 40 5 5 50 6 6 60 6 7 70 6 8 80 7 9 90 7 10 100 7 ```

Step 3 - Plot a dot plot

Syntax - dotplot(y ~ x , data , main , xlab, ylab) where, x , y - input variables data - input dataframe main -title of the plot xlab - title of the x axis ylab - title of the y axis

``` dotplot(values ~ count , data = data,main = "dot plot", xlab="x_data", ylab="y_data") ```
``` " Output of the code is :"

```

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