How to Export DataFrame to CSV in R ?

How to plot a graph in R using CSV file ?

Last Updated : 26 Mar, 2021

To plot a graph in R using a CSV file, we need a CSV file with two-column, 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 looking at the way to plot a graph using a CSV file in R language.

Approach

Import csv file
Pass required parameters to plot function
Plot graph
Display plot

Functions Used:

To import/read the CSV file to the R console, the user must need to use the read.csv() function in R.This function will read a CSV file available in your current working directory.

Syntax:

read.csv(file)

plot() function 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.

Example:

R

data=read.csv('input_gfg.csv') 
  
print(data) 
  
plot(x = data$x,y = data$y, 
     xlab = "x-axis", 
     ylab = "y-axis", 
     main = "Plot"
)

Output:

How to Export DataFrame to CSV in R ?

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