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How to plot excel data in R?

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Plotting graph in R using an excel file, we need an excel file with two-column in it, the values in the first column will be considered as the points at the x-axis and the values in the second column will be considered as the points at the y-axis. In this article, we will be discussing the approach to plot a graph using an excel file in R language.

To import and read the excel file to the R console, the  read_excel() function from readxl library in R will be used. This function will read an excel-file available in your current working directory. To install the package of the readxl library in R the user must need to follow the following syntax in the R console.

Syntax:

install.packages(“readxl”) 

Data in use:

plot() function is used for plotting of R objects. With the provided parameters this function returns a scatter plot by default.

Syntax:

plot(x,y,main,xlab,ylab,sub,asp)

Parameters:

  • x:-the x coordinates of points in the plot
  • y:-the y coordinates of points in the plot
  • main:-an overall title for the plot
  • sub:-a subtitle for the plot
  • xlab:-a title for the x-axis
  • ylab:-a title for the y-axis
  • asp:-the y/x aspect ratio

Return:

Scatter plot of the given x and y values.

Approach

  • Import library
  • Import excel file
  • Read its data
  • Plot graph
  • Display plot

Example:

R




library(readxl)
  
Data_gfg <- read_excel("Data_gfg.xlsx")
  
plot(x = Data_gfg$x,y = Data_gfg$y,
     xlab = "x-axis",
     ylab = "y-axis",
     main = "Plot"
)


Output:


Last Updated : 26 Mar, 2021
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