Blog Archives

Little useless-useful R functions – Date Palindrome

It is a rare thing that a date can be a palindrome. But it happens. And the idea is the following, to cover all different date formats and for the given period And to do some useless extraction of the

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Posted in R, Uncategorized, Useless R functions

Simple custom colour palettes with R ggplot graphs

A simple, yet effective way to set your colour palette in R using ggplot library. After that, we can start “chaining” ggplot graphs. Scatter plot Barchart / Histogram Boxplot 3.14 chart Finally custom colours! As always, the complete code is

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Posted in R, Useless R functions

Calculating data for visualization on stacked 100% bar

Calculating cumulative percentage or percentage per group for each time can sometimes be a task with a slight twist. Let’s check this with ggplot2 and tidyverse. Three (out of many more) ways to show how this can be achieved. using

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Posted in R, Uncategorized

Little useless-useful R functions – How to make R-squared useless

Uselessness is such a long useless word! In statistics, R-squared is a statistical measure, that determines the proportion of variance in dependent variable that can be explained by the independent variable. Therefore, it ranges in value from 0 to 1

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Posted in R, Useless R functions

Long term storage of Power BI activity logs and statistics using Powershell

From previous blogpost(s): Deleting Power BI datasets using Powershell Daily monitoring and using statistics and activity logs for your Power BI tenant is always a great way to track the activity of your end users. If you need statistics to

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Posted in Power BI, Uncategorized

Little useless-useful R functions – Useless Year Progress bar with spinning cursor

Progress bar showing the number of days until end of the year. Yes, only based on the days and not hour. And needless to say, the progress is soothing using ASCII charts. So the function is fair to say, simple

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Posted in Uncategorized, Useless R functions

Little useless-useful R functions – Same function names from different packages or namespaces

This little useless-useful R function is not that useless after-all. Many of the R programmers have had some issues with namespaces in R environment and lost some time debugging, that turned out to be due to variable name or function

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Essential list of useful R packages for data scientists

I have written couple of blog posts on R packages (here | here ) and this blog post is sort of a preset of all the most needed packages for data science, statistical usage and every-day usage with R. Among

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First release and update dates of R Packages statistics

R has been around long time and the packages have evolved through the years as well. From the initial releases, updates, to new packages. Like many open-source and community driven languages, R is not an exception. And getting the first

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Using R in SQL Server Reporting Services (SSRS)

SQL Server Reporting services (SSRS) is an outstanding tool for creating, deploying and managing paginated, mobile, KPI reports as well as Power BI reports. Tool provides simple way to share and get data insights in your corporate environment. (Photo source:

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