My Spreadsheet Lab

The site is about Microsoft Excel.

  • Home
  • Templates
  • Excel Blog
  • About Me
  • Contact Kevin

Why and How to Unpivot Data

posted in Tips on February 8, 2019 by Kevin Lehrbass 1 Comment

Before you analyze your data it’s important to decide if you need to unpivot it. Why unpivot? What’s unpivot? Are there exceptions? Continue reading →

Rearranging Data

posted in Get & Transform, Tips on February 3, 2019 by Kevin Lehrbass 1 Comment

Rearranging data is initially about recognizing the pattern. This screenshot is from Ken Puls. I instantly saw the steps to rearrange the data (thanks to Ken’s online course!) Continue reading →

Dynamic Ranges Using Index Function

posted in Efficiency on January 22, 2019 by Kevin Lehrbass 7 Comments

Robert H. Gascon’s comment from my last post convinced me that I should be using the INDEX function for dynamic ranges not the volatile OFFSET function. Continue reading →

What is this formula doing?

posted in Auditing on January 13, 2019 by Kevin Lehrbass 9 Comments

=SUMPRODUCT(MID(G2,{1;2;3},1)*1)  I found this formula in a notebook. Can you understand it’s purpose? I’ll explain it in this post. I’ll also expand it for a more complex case. Continue reading →

False Friends in Excel

posted in Efficiency, Errors on January 4, 2019 by Kevin Lehrbass 0 Comments

The term False Friends is used in various fields including linguistics and chess. In this post I’ll explain how it applies to Microsoft Excel! Continue reading →

Excel Running Template

posted in T_Planning on December 21, 2018 by Kevin Lehrbass 1 Comment

My super fit cousin Joe Perry contacted me with a few questions about an Excel spreadsheet he uses to track his running.  Continue reading →

Harvard CEO Ranking

posted in Free Data on December 17, 2018 by Kevin Lehrbass 0 Comments

Harvard Business Review ranked the top 100 CEOs with three weighted categories (80%, 10%, 10%). I downloaded their data and added some formulas to modify the weighting. Does it make a difference? Continue reading →

The Learning Curve in Excel

posted in EXCEL Path, T_Business on December 14, 2018 by Kevin Lehrbass 2 Comments

I’ve had this ‘Business Formulas’ book sitting around for years. I decided to explore the learning curve formula:  (a) create it in Excel and (b) think about the factors that go into learning Excel.
Continue reading →

Excel Sorting Challenge

posted in Gurus on November 28, 2018 by Kevin Lehrbass 5 Comments

In this guest post Alan Murray (computergaga) compares two solutions to a challenging data sorting issue. I know my preference, what about you?
Continue reading →

Concatenate Values to Create a Key

posted in Efficiency, Tips on November 4, 2018 by Kevin Lehrbass 5 Comments

Excel users who don’t know this concept waste hours manually looking through their data. A filter helps but creating a valid lookup key is what Mr Carlson needs! Continue reading →

← Older posts
Newer posts →

Sometimes I write a practical 'how to' post and other times I explore a crazy idea and build something unique. I love working with data in Microsoft Excel!

Kevin Lehrbass

Newsletter