Excel files with readxl in R Programming - Mini Project: Build & Apply

Excel files with readxl

📖 Scenario: You work in a small business that keeps sales data in Excel files. You want to read this data into R to analyze it easily.

🎯 Goal: Learn how to use the readxl package to read Excel files into R and display the data.

📋 What You'll Learn

Use the readxl package

Read an Excel file named sales_data.xlsx

Store the data in a variable called sales

Print the sales data frame

💡 Why This Matters

🌍 Real World

Reading Excel files is common in business to analyze sales, inventory, or customer data.

💼 Career

Data analysts and scientists often import Excel data into R for cleaning and analysis.

1

Load the readxl package

Write library(readxl) to load the readxl package.

R Programming

# Load the readxl package
# Your code here

Need a hint?

Use library(readxl) to load the package before reading Excel files.

2

Read the Excel file

Write sales <- read_excel("sales_data.xlsx") to read the Excel file into a variable called sales.

R Programming

library(readxl)
# Read the Excel file into sales
# Your code here

Need a hint?

Use read_excel() with the file name to read the Excel file.

3

Check the data structure

Write str(sales) to display the structure of the sales data frame.

R Programming

library(readxl)
sales <- read_excel("sales_data.xlsx")
# Show the structure of sales
# Your code here

Need a hint?

Use str() to see the data frame structure.

4

Print the sales data

Write print(sales) to display the contents of the sales data frame.

R Programming

library(readxl)
sales <- read_excel("sales_data.xlsx")
str(sales)
# Print the sales data
# Your code here

Need a hint?

Use print() to show the data frame contents.