Category Archives for "Data Analysis"

End to End Data Analysis Project

You’ll take on the role of a data analyst and create an end-to-end analysis using the provided data. Your goal is to build a dashboard that gives insights into various projects and their details. All the data files you need are included, along with video instructions to guide you through each step of the process. […]

Tableau vs. Power BI in 2023

Power BI and Tableau are the two most important data visualization tools. Both tools are used for data analysis, manipulation, and visualization to get insight from the data. However, both have their own unique selling point. Diving under the hood will tell you which solution is best for your specific use-case. In this blog, we […]

Extracting Zip Codes from Data in SQL

When dealing with large datasets, particularly those related to addresses or geographical locations, there’s a good chance you’ll need to extract or work with zip codes. SQL, as a powerful language for managing and querying databases, offers a range of tools and techniques to help you handle zip codes efficiently. 1. Basics of Zip Codes […]

SQL Union vs Union ALL

Union and Union All are two of the most important functions you will come across in SQL. There are must-to learn and easy to master. So I am going to provide you with a a few examples of using these SQL functions. Here’s what we’ll cover: What is the Difference between Union and Union All […]

3 Ways to RANK Data in SQL

What are the Ranking Functions in SQL There are 3 simple functions that you can use to rank data in SQL. If you are in a rush and want to dive right into learning how to use these ranking functions in SQL. Check out the YouTube short: Here are the ranking functions that will show […]

Analysis vs Analytics

Have you ever wondered if these two terms are different or the same? Let’s explore the details and use cases. In a nutshell, while both analysis and analytics are vital in the modern world, they serve different purposes. Analysis is about understanding and interpreting data to explain past or current phenomena. In contrast, analytics is […]

How to Pick the Right Analysis for Your Use Case

Entering the world of data analysis can be very confusing. However, the spectrum of techniques helps to address several use cases. Let’s explore all the different types of analysis that are used in data analysis. However, this list isn’t exhaustive but it will cover the fundamentals. Types of Analysis Description Comparison Prediction Time Series Categorization […]

What is an Outlier – Understanding and Detection

What is an Outlier? An outlier is a data point that differs significantly from other observations. Whether due to genuine variance or errors in data collection, outliers stand out from the rest. Why are Outliers Important? Outliers can skew results, misleading interpretations or significantly affecting statistical measures. Hence, it’s essential to detect and address them […]