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Modelling Inventory Run Rate & Cash Flows using Excel

Imagine you run an office furniture company. You want to stop reordering two brands of furniture – Relaxer (a type of chair) and Boca Top (a type of table). You currently have 20,000 Relaxer chairs and 5,000 Boca Tops. These are valued at $200,000 and $100,000 respectively. When sold, they will yield $100,000 and $25,000 gross profit. You are hoping to sell them off in 2 or 3 years. You forecast that we can sell off these as per some yearly schedule.

You need to analyze this and prepare a cash flow model.

Let’s learn how to answer such open ended questions using various analysis techniques in Excel.

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April 19, 2017

There are 5 hidden cells in this workbook – Find them all [Excel Easter Eggs]

It is Easter time, and that means time for another fun Easter Egg hunt in the spreadsheet. For the last 8 years (since 2009), I have been running Easter Egg hunt at Chandoo.org. This year too, I have prepared an exciting egg extraction enigma for you. Check it out.

Can you find all the 5 hidden cells in this workbook?

First step. Download this workbook. There are five worksheets, each containing one egg. You need to find the hidden cell in each worksheet.

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April 14, 2017

How many employees are on leave during Easter holidays [Homework]

Easter is around the corner. After what seemed like weeks of lousy weather, finally the sun shone today. I capitalized on the day by skipping work, walking kids to school, taking Jo out for some shopping, enjoying a leisurely walk / cycling with Nishanth in the park and almost forgetting about the blog. But it is dark now and before tucking the kids in, let me post a short but interesting home work problem.

Let’s say you are HR manager at Egg Co. and you are looking at the vacation plans of your team.

Easter is your busiest time and it would be a bummer if a majority of your staff are on leave during the Easter season (14th of April to 28th of April, 2017). So you want to know how many people are on leave. A snapshot of your data (table name: lvs) is shown above.

Click here to download the sample file.

You want to answer below three questions:

How many employees are on leave during Easter holidays (14th of April to 28th of April)?
How many employees are on approved vacation during Easter holidays?
How many employees in “Team ninja” are on approved leave during Easter holidays? Assume team employee numbers are in named range ninja

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April 7, 2017

Hide columns one one tab same way as they were in another place [quick tip]

One of the regular reporting tasks I do involves a manual step I hated. It goes like this:

Dump several columns of data in the template file.
Hide a particular set of columns (these are not together, so must be done one at a time or with CTRL+selection)
Save and publish the file.

After doing this manually for last few fortnights, today I wanted to automate the column hide process. I was about to write a VBA macro to clone the hide settings from one workbook to another. But then I thought, may be paste special can be of use.

And what do you know. It does exactly that.

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April 5, 2017

Sand Pendulums – Lissajous Patterns in Excel

Few days ago, I saw a beautiful homemade science experiment on Sand Pendulums on Bruce Yeany‘s YouTube channel. Go ahead and check it out. It is a cool project to do with your kids.

I will try this experiment with kids during school term holidays around Easter. But first, I wanted to try the simulation in Excel.

Simulating sand pendulum pattern in Excel

Take a look at the final simulation above. This is what we will create in Excel.

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April 3, 2017

Reshaping your data easily – Case study [Pivot tables FTW]

Late. Jayaram, my uncle is also a teacher. When I was a kid, I used to spend a lot of time with him, learning all sorts of things. He taught me chess, maths and so many life lessons. I remember one such lesson very vividly. One day, he asked me to do something. I did it in a very long way. After seeing me struggle for several minutes, he chipped in and showed me how to do it easily. He then said, “when someone asks you where your nose is, you don’t twist arm around your head. You just point to your nose directly.”

The idea is that when you have a direct, simple way to do something, you should use it.

Nose and pivot tables… how are they connected?

We are coming to the point. Read on for full case study and solution.

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March 16, 2017

Figuring out Employee Churn with Power Query [HR Analytics]

Let’s say you are the people manager at ACME Inc. You are looking staff list for the months – January and February 2017. You see that we had 4,000 employees in Jan and 4,200 employees in Feb. So what is the churn?

Is it just 200?
Or is it the sum of people who left and who joined?
What if you want to find out how many people moved to new designations / departments or groups?

You see, churn is tricky to figure out.

So why not invite the pros? ie Power Query.

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March 13, 2017

Kill NULLs – a Simple macro to save time when importing data from SQL Server

As part of a my ongoing consulting gig, I often run painfully long queries on SQL Server to fetch data. This data obviously ends up in Excel for further analysis. Now, some of these queries return NULL values in several columns (did I tell you that the queries have a gazillion left joins on them, oh yeah, they do). Although technically NULL is nothing, when you import this data to Excel, we get the text value NULL in the cells. And I don’t need these NULL values messing up all the calculations and pivots.

Of course, we can go ahead and use the isnull() SQL function to deal with them at the query level. But since the queries have 100s of columns and used by various teams for different purposes, changing them causes a lot of pain. So I did what any sensible Excel user would do. Just kill those NULLs mercilessly once they are in Excel.

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March 6, 2017