How to plot barchart in R?

This recipe helps you plot barchart in R

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Recipe Objective

How to plot bar chart in R? Bar charts provide visualization of categorical data into discrete groups. They represent a categorical type of data with rectangular bars either horizontally or vertically. A barplot () function is used for plotting a bar chart. The following recipe provides an example on a bar chart.

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Step 1 - Create data for plotting

a <- c(5,10,15,20,15,10,5) b <- c("A","B","C","D","E","F","G")

Step 2 -Apply barplot()

Syntax for bar plots - barplot(x,y,xlab,ylab,main) where, x - x axis input data y - y axis input data xlab - label to x axis ylab - lable to y axis main - title to the bar chart.

barplot(a, names.arg = b, xlab="Category", ylab="Values", col="orange", main="Values Vs Category")

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I come from Northwestern University, which is ranked 9th in the US. Although the high-quality academics at school taught me all the basics I needed, obtaining practical experience was a challenge.... Read More

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