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Array Functions in MS Excel

Working with MS Excel Array Functions (FILTER, RANDARRAY, SEQUENCE, UNIQUE, SORT, SORTBY)

It’s hard to keep up with seemingly non-stop additions to Excel’s impressive catalog of functions. If you happen to belong to Office Beta channel you might have started working with the newest release of text and array functions. As a regular Office 365 subscriber I’ve already covered newish XLOOKUP and LAMBDA functions on this blog. It was last year when the Excel team introduced dynamic array functions, also known as spilled array functions. These functions return arrays of of values of different sizes and spill them into adjacent cells. You can usually specify how long and how wide the output ranges should be. These functions include – UNIQUE (returns unique values from the range of values), SEQUENCE (retrieves a sequence of values), SORT, SORTBY, RANDARRAY(array of random numbers based on specified parameters), and FILTER. In this post we will explore examples on how to use these functions.

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LAMBDA Function - MS Excel - MPG

Having fun with Excel LAMBDA function – building a BMI calculator and MPG conversion formulas

Let’s face it, despite the ever-growing catalog of 500(!) or so Excel functions, we cannot expect Microsoft developers to create all functions that meet the needs of every Excel user. Even if this feat were possible, the program itself would become unusable due to the sheer number of functions made available blocking us from using a few that we actually need. Traditional solution is age-old – using VBA to code a User Defined Function (UDF.) In fact, we’ve already covered the process of creating UDFs here and here.

Fast forward to 2016, when Excel teased the idea of the LAMBDA function, initially limiting its release to Office 365 subscribers opted in into the Office Insider edition. Since then this “ultimate” Excel function went through a number of revisions and enhancements and while it didn’t make its wider debut in time for Excel 2021 version, it was eventually released to the general public (i.e. all current Office 365 subscribers) earlier this month. We can now create a custom Excel function without having to deal with the Visual Basic Editor window ever again.

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US COVID-19 Cases

During these uncertain times, how can you make sense of the data tsunami being presented on the state of pandemic in US? For the last couple of months, many Americans found themselves checking the spread of COVID-19 cases on a daily basis. As most of US states went into shelter-in-place mode, resources like Johns Hopkins and 91-DIVOC became a daily refuge for those seeking to stay informed. In today’s post, we will work on creating our own version of a web-based, interactive and visually appealing COVID-19 dashboard using Google DataStudio. Doing so we will gain a better understanding of the data used, decide on the type of data we deem most relevant, and maintain control over the best ways to visualize such data to help our audience make most sense of it. In the process of building this data viz, we will utilize various objects and features of the mighty GDS application: Google Sheets connector, Calculated fields, Scorecard, Table, Geo Map, Line and Combo charts, Date range, Filter controls and recently released optional metrics – are some but not all features we will cover.

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Google Dataset Search

Google has been dominating web search for nearly two decades and it’s acquisition of YouTube resulted in the second most popular search engine in the world. Yet, it seemingly lost the product search niche to Amazon. It’s not surprising that amidst growing interest in all things data, including public and open data, this tech giant would be keen on developing a search product geared towards making dataset search easier. What is surprising, is how long it took them to develop and release this product, which was officially introduced to general public on January 23rd, 2020 after spending more than 16 months in beta testing. You can embark on your own dataset search journey here.

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