Page 256 - Data Science class 11
P. 256

barplot(H)
             # Save the file
             dev.off()
        When you execute the above code, it produces the following result:


























        7.5.1 labels, title and colours Bar chart
        The bar chart can be provided with more parameters. The main parameter is used to add a title. The col parameter is
        used to add colours to the bars. The args.name is a vector having the same number of values as the input vector to
        describe the meaning of each bar.
        Enter the following code snippet in the script panel:

             # Creating the data for the chart
             H <- c(6,13,25,3,42)
             M <- c("Mar","Apr","May","Jun","Jul")
             # Giving the chart file a name
             png(file = "barchart_months_revenue.png")
             # Plotting the bar chart
             barplot(H,names.arg=M,xlab="Month",ylab="Revenue",col="orange",
             main="Monthwise Revenue chart",border="red")
             # Saving the file
             dev.off()
        When you execute above code, it produces following result:























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