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  • 58 – How to use Eigenvalues and Eigenvectors to Analyse Sales Data

    Throughout university, I came across various concepts, but didn’t fully understand how I could implement them into real-world situations. Over those years in my Economics and Commerce degrees, it always felt like I was chasing the understanding as it had been a few years since leaving high school and I hadn’t thought about particular concepts,

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  • 56 – How to Test for Collusion in Google Sheets

    Whilst considering ways to implement statistics and algorithms into my workplace tasks, I came across the idea of collusion. The definition of collusion is ‘secret or illegal cooperation or conspiracy in order to deceive others’, but I’m essentially looking for a way to detect if there’s been interference between 2 or more persons in regards

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  • 55 – School Lesson Plans

    After the last post, I realised how beneficial it might be to someone, somewhere on the internet, to have access to some of the lesson plans/units that I had created. The early days for me were spent looking over individual lessons, lesson plans, and unit plans. I was attempting to understand how they all connected

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  • 53 – 1 Year Blog Anniversary

    Today marks my 53rd blog and the one year anniversary of this blog! On the 7th July, 2023, I quit my job as a school teacher on the north east coast of Tasmania. It had been an extremely intense year and a half where I had spent so much time doing reflection as opposed to

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  • 52 – How I Constructed the Final Data Analyst Roadmap Milestone

    Homework Review It’s been two weeks since this post, but how did you go with the homework? Here is a link to the solutions, which I crafted, and the (shorted) implemented solution (below): https://docs.google.com/spreadsheets/d/1SMesfxuEwgVPPm3O8UJgaeQ4RtWNrkd39y2UEkgb9jc/edit#gid=1362202755 =SUBSTITUTE(SheetB!A1,“want”,“here”) =SUBSTITUTE(SUBSTITUTE(SheetB!A2,“here”,“guilty”),“alibi”,“guilty”) =SUM(SheetB!A5:A12) =AVERAGE(SheetB!A5:A12) =MEDIAN(SheetB!A5:A12) =IFERROR(VLOOKUP(A3,$A$2:$B2,2,0),“EMP”&MAX(RIGHT($B$2:B2,LEN($B$2:B2)-SEARCH(“p”,$B$2:B2))+1)) =REGEXREPLACE(REGEXREPLACE(REGEXREPLACE(A1, “\d+”, “Y”), “e”, “x”),“[.’,]”, “p”) =IFERROR(ARRAYFORMULA({{1;2;3;4},{1;2;3;4}^2,{1;2;3;4}^(1/2),{1;2;3;4}/(RANDBETWEEN(0,4))}),“WHOOPSY!”) =QUERY(QUERY(‘FAQ7’!A2:I25,“SELECT Col2, Col4, Col5, Col6”,1),“SELECT Col1, Col2, Col3,

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  • 51 – 8/8 Learn Data Storytelling

    This is the “final” instalment of the Data Analyst Roadmap. Honestly, this particular post has taken a lot of mental energy to create, but I will delve into that next week. For now, enjoy this ultimate roadmap post. Unlocking the Melody of Commerce: Exploring the Impact of Music on Financial and Psychological Dynamics https://docs.google.com/spreadsheets/d/1ZKZ3brAg-23wxU4UD5ZJy4t7O6qAl2eqZjZCvvl8gvQ/edit#gid=584651760 Caveat:

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  • 50 – 10 Google Sheets Troubleshooting with some FAQs and not so FAQs

    I thought it would be a good idea to collate some Google Sheets Troubleshooting information. This guide includes some Frequently Asked Questions and some not so Frequently Asked Questions, but still interesting nonetheless. When I originally set out to make this post, I thought it would be a short and sweet entry into the log.

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