Hello, Namaste & Kia Ora. Welcome to Chandoo.org.
My name is Chandoo. My mission is to make you awesome in Excel and Power BI.
I do this by sharing Excel & Power BI tutorials, examples, tips, videos and articles on this website. I live in Wellington, New Zealand with my beautiful wife Jo & our twins Nishanth & Nakshatra. Take a minute to browse various topics of the site to see how I can help you.
Thank you and welcome.
Power BI is a data analytics & visualization software. It is one of the most popular and powerful way to work with complex business data. In this page, you will find a comprehensive guide to start your Power BI journey.
It’s Halloween time. As adults, we can’t go trick or treating. We can of course dress up in costumes and entertain others. But what about the poor spreadsheets. Don’t they deserve some of this fun too?
Hell yeah! So I made a spider web generator in Excel. Just use it to make a spooky cob web pattern and add it to your report / dashboard / time sheet or whatever else. Surprise your colleagues.
Do you want to simulate multiple cash-flow scenarios and calculate the rate of return? Then this article is for you. In this page, learn how to,
It’s tornado season. Don’t freak out, I am talking about Excel tornado charts. Use them to visualize age and gender-wise KPIs. Here is a quick demo of interactive tornado chart made in Excel. Watch it and read on to learn how to make your own tornado in a spreadsheet.
Validating your data as you type can prevent any surprises when you are doing analysis / follow-up on the data. Thankfully, excel has the right
I have been playing Zelda: Breath of the wild a lot these days and I LOVE the game. Considered one of the BEST video games all time, BOTW is beautifully designed and offers a lot of entertainment. Don’t freak out yet, Chandoo.org hasn’t suddenly branched into a video gaming blog. Instead, I am here to talk about Stamina Wheel Chart.
Learn how to calculate weighted averages in excel using formulas. In this article we will learn what a weighted average is and how to Excel’s SUMPRODUCT formula to calculate weighted average / weighted mean.
What is weighted average?
Wikipedia defines weighted average as, “The weighted mean is similar to an arithmetic mean …, where instead of each of the data points contributing equally to the final average, some data points contribute more than others.”
Calculating weighted averages in excel is not straight forward as there is no built-in formula. But we can use SUMPRODUCT formula to easily calculate them. Read on to find out how.
As part of our Excel Interview Questions series, today let’s look at another interesting challenge. How can you analyze more than 1 million rows data in Excel?
You may know that Excel has a physical limit of 1 million rows (well, its 1,048,576 rows). But that doesn’t mean you can’t analyze more than a million rows in Excel.
The trick is to use Data Model.
for more videos…
BeginnerTables & Structural Referencing
Cell referencing
Excel operators
IF
IntermediateSUMIFS, COUNTIFS
VLOOKUP
INDEX + MATCH lookups
AdvancedMulti-condition lookups
Array Formulas
OFFSET
INDEX
Lists100+ Excel Formulas list
Top 10 formulas
15 Everyday formulas
Challenges & Home workExcel Homework
BeginnerExcel Pivot Table Tutorial
Multi-table pivots with data model
AdvancedDistinct count in Pivots
Ranking values in Pivots
GETPIVOTDATA
How to use slicers
Lists35 shortcuts & tricks for data analysis
Top 10 pivot table tricks
15 quick & powerful ways to analyze business data
ResourcePivot Tables Page
BasicsHow to pick right charts
Why bar charts should start at 0
Add a line to column chart
Correlation vs. Causation
ExamplesHand-drawn charts
Budget vs. Actual chart
Interactive charts
Chart typesHistograms & Pareto charts
Forecasting with charts
Gantt chart
Funnel chart
5 star chart
Indexed charts
Panel charts - Small multiples
AdvancedTarget vs. Actual progress - Biker on a hill chart
Stacked chart with indicators
Cropped chart - when some values are too big
Jitter plot
Joy plot
Step chart
Dynamic chart with check boxes
Lists & TricksCharting shortcuts & tricks
Using shapes in charts
Awesome chart titles with this trick
Use chart themes and styles
Use selection pane to work with charts faster
If you are new to Excel or have never used it, use below links to come up to speed.
Have been using Excel for a while? Check out these tutorials to learn more and become awesome.
Work with Excel a lot and know your game well? We have some very-advanced topics for you too. Check out:
Power BI is the most exciting thing to happen for your data since spreadsheets. If you are looking for a new skill to learn this year, I highly recommend Power BI. Check out below tutorials and get started today.
Introduction to Power BI – your first tutorial
Power BI Example – Commonwealth games tracker
Power Mondays – Learn all about Power BI, Power Query & Power Pivot
Learn how to work with data, make calculations, pivots, create amazing charts and powerful dashboards from scratch using Excel School + Dashboards program. Suitable for analysts, managers or professionals who need to use Excel often.
Use VBA to automate your tasks and build powerful spreadsheet based apps. In this course, learn all about how to program with VBA, how to use the language and object model to your advantage. Suitable for people who build a lot of things with Excel.
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