Excel Real world Applications

HOW EXCEL IS USED IN REAL WORLD DATA ANALYSIS

What really is Excel, in simple terms it is just an application from Microsoft to help ordinary people to keep their records either groceries records, building materials records, names of people traveling, basically anything involving records keeping for future references.
But for professionals like Data Analytics it is a software used to organize, analyze and visualize data. It is like a digital notebook comprising of columns and rows where you can:

• create charts
• perform calculations
• store data of different data type eg; text, dates, numbers

Excel worksheet is made of collection of cells.

What you can do with Excel

• Data analysis
• Data Visualization
• Automation
• Data Organization
• Perform Calculations

How Excel is Used in Real-world:

• Track monthly expenses either by an individual or in an industrial set up.
• Widely used in finance, engineering, business and data analysis.
• Used to clean and prepare data before its used in other tools like SQL and Python.
• It is an essential skill for careers like accountant, data engineer and data analyst.
• Analyzing products performance and help in decision making in a company.
• Create reports to derive clear insights.

Key Features found in Microsoft Excel

Charts And Graphs

Charts and graphs are used for data visualization which help in creating dashboard reports, some examples of charts and graphs includes:

• Bar Charts
• Line Graphs
• Pie Charts

Example of a Pie and Bar Chart

An example of dashboard reports created from different charts and graphs

Sorting And Filtering

It is a feature used to Analyze large datasets quickly, you can either sort data from largest to smallest, smallest to largest or filter specific data.
Filter marks are always located on top of every column but are activated from the tab editing under sort and filter.

Filter Marks on every column to filter specific data

Pivot Tables

It is one of the powerful feature used for analysis in Excel

Example of how pivot table is used in data analysis

Conditional Formatting

The feature automatically changes the color of cell based on highlight rule either;

• High/Low values
• Duplicates
• Trends Example of conditional formatting used to highlight top most performing product, using Top/Bottom Rule

Data Validation

The feature helps to keep data clean and consistent.

Data Organization

Helps make the data readable and manageable by;

• Storing data in rows and columns
• Format as table
• structured referencing

Formulas And Functions

This feature helps excel to perform calculations using formulas
Formulas and functions are excel built-in features which are activated by typing equal sign (=) followed by specific formula or function example (VLOOKUP()) on any excel cell containing data to be filtered, aggregated or edited.

• Basic operators in Excel: +,-,*,/

• Functions:

  • SUM() adds Values
  • AVERAGE() finds mean
  • IF() logical decisions
  • VLOOKUP()/XLOOKUP() search data

Import And Export Data

With this feature will help in importing data from CSV files and Databases, and Export to a different formats

Conclusion
Learning Microsoft excel has transformed how I understand and interpret data, before data felt overwhelming, I would look at dataset without knowing how to extract useful insights.

Features like formulas and functions helped move far from manual calculations and start focusing on what dataset actually represent.

features like filtering, pivot table and sorting showed me data is not just static, it can be explored from different perspectives to reveal hidden insights.

Excel has also made me improve on data handling, the importance of missing values, ensuring data validation. Working with any dataset has made me more careful knowing small errors can lead to incorrect conclusions.

Overall, learning Excel has helped in a way that when I look at the data , I can understand, question and develop analytical reports to the organization for better decision making.