Lab | Data Visualization in R

Load dataset and libraries

Load the Superstore dataset and libraries needed.

Boxplot

A summary table or boxplot can be useful to visualize the distribution of key variables. Generate a boxplot to visualize Sales and another to visualizr Profit

Bar Plots

Create a bar plot to show the top 10 orders with highest value of sales.

Heatmap

Use a heatmap to visualize the pattern of missing data.

# Install and load the VIM package if not already installed
library(VIM)

# Visualize missing data pattern
missing_pattern <- aggr(dataset, col=c('navyblue','red'), numbers=TRUE, sortVars=TRUE, labels=names(dataset), cex.axis=.7, gap=3, ylab=c("Missing data","Pattern"))

Histogram

Generate a histogram that can show the distribution of the Profit column.

Bar Plots for Aggregated Data

Generate a bar plot that shows Total Sales by Category and a barplot that shows Profit by Category.

Deliverables

• Submitted notebook (or file) with your responses to each of the exercises.

Submission

• Upon completion, add your deliverables to git.
• Then commit git and push your branch to the remote.
• Make a pull request and paste the PR link in the submission field in the Student Portal.

Good luck!