Data Analysis

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Excel running with multiple PIVOTBY tables
Your Pivot Tables are okay, but rebuilding them this way takes 5 minutes and saves hours

Pivot Tables, but without the pain.

The Excel Analysis ToolPak with a Moving Average Chart on an Excel spreadsheet on a Dell laptop.
I replaced SPSS with a free Excel add-in that was already there — I just never looked

Not every research project needs SPSS, especially when Excel can do the job well.

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Sparklines in Microsoft Excel on Windows 11.
You’re ignoring one of Excel’s simplest and smartest visual tools

Small charts, big difference.

The Excel logo on a spreadsheet
These 5 Excel dashboard tricks would have saved me hours as a beginner

I wish I'd known these techniques when I was starting, but you can learn them right now.

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The 5 Best Google Sheets Add-ons for Easier Data Analysis

Tired of manual data manipulation in Google Sheets? These add-ons will change the game.

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How I Get Spotify Wrapped-Style Stats All Year-Round

Can't wait 12 months to see your Spotify stats? Try this alternative for more frequent recaps.

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How to Use Excel's Goal Seek and Solver to Solve for Unknown Variables

Excel can solve for unknown variables, either for a single cell with Goal Seek or multiple cells with Solver.

An Excel spreadsheet highlighting the trend chart.
How to Use the TREND Function in Excel

Visualize your series' performance and project the unknown values by plotting a trend line.

A laptop showing a spreadsheet with data, a pie graph, and a bar chart
How to Do a VLOOKUP in an Excel Spreadsheet

You can use VLOOKUP to search for different values in a column of your Excel spreadsheet. We'll show you how.

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How to Create a Spotify Pie Chart Based on Your Listening Stats

A third-party tool allows you to create a pie chart of your Spotify data. But is it safe to use?

financial graphs on a laptop
How to Use Excel for Financial Analysis

Excel is an excellent tool for better understanding the health of your business. Here's how to use it for some common financial analysis computations.

A person with code and Scikit-LLM logo overlayed on top
How to Use Scikit-LLM for Text Analysis With Large Language Models

Powerful language models + Scikit-learn = Scikit-LLM. Perform text analysis tasks on the go with the help of this library.

Person working on a laptop using Google Sheets
6 Ways to Use Google Sheets for Data Analysis

Want to get more out of your data? Here are some powerful ways to use Google Sheets for data analysis and visualization.

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How to Analyze Documents With LangChain and the OpenAI API

With a small amount of code and some useful libraries, you can build this powerful document analysis tool.

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How to Check if Two Values Are Equal in Excel

In Excel, there are plenty of formulas you can use to determine if two values are equal. Here are some examples.

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How to Count SQL NULL and NOT NULL Values in a Column
SQL

Handling NULL values is essential during data analysis. Learn how to count empty and non-empty values within a column.

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Frameworks vs. Libraries: What Are They and How Do They Differ?

Frameworks and libraries might be mistaken for one another. It's crucial for developers to understand these differences.

An icon of Microsoft Excel in 3D floating in a green background
How to Use the RANDARRAY Function to Randomly Sort Data in Excel

Want to add a little excitement to your data analysis? Learn how to use the RANDARRAY function to randomly sort your data in Excel.

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How to Use the Aggregation Pipeline in MongoDB

If MapReduce has been your go-to, now could be the time to transition to MongoDB's Aggregation Pipeline for tackling complex operations.

A laptop with data visualization displayed on it
Getting Started With Streamlit: A Practical Guide

Create interactive web applications for data science and machine learning projects using only Python, all thanks to Streamlit!

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