Blog Archives

Custom Power BI visual for Line chart with two Y-Axis

Power BI support certain type of visuals that are by default available in the document. These are absolutely great and work perfectly fine, have a lot of capabilities to set properties and change the settings. But every so often in

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What and who is IT community? What does it take to be part?

This blog post is long over due and has been rattling in my head for long time. Simply and boldly put it, community is everyone involved behind the result of your search for a particular problem. And by that I

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Copying Measures between Power BI datasets and Power BI files

Measures in Power BI document are DAX based aggregations for slicing and dicing the tabular datasets using evaluate and filter context and and data relationships. Short hand, measures are DAX formulas stored in Power BI as part the dataset. For

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The palindrome of 02.02.2020

As of writing this blog-post, today is February 2nd, 2020. Or as I would say it, 2nd of February, 2020. There is nothing magical about it, it is just a sequence of numbers. On a boring Sunday evening, what could

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My MSSQL database is corrupt and I can not get to my predictive models. Now what? Stellar to the rescue.

Small project database, with old backup, ended up in corrupt state. This happened.  A corrupted database; all-in-all 150MB.  I was super annoyed. Let alone, I had some R and Python code there and some – yes 🙂 – predictive models,

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Sudoku game with R

Sudoku is a classical logical game based on combinatorial number replacement puzzle. Objective is to to fill 9×9 matrix with digits so that each column, each row, and each box (3×3 sub-grid) of nine contain all of the digits from

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Working with Windows CMD system commands in R

From time to time, when developing in R, working and wrangling data , preparing for machine learning projects, it comes the time, one would still need to access the operating system commands from/in R. In this blog post, let’s take

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