Blog Archives

Time functions in DAX

Time functions in DAX are besides simple calculation functions, the most useful functions; mainly because time slicers are one of the most frequently used slicers in Power BI. New functions are coming to DAX (Data Analysis Expression Language) regularly, and

Tagged with: , , , ,
Posted in Uncategorized

Advent of Code 2019 challenge with R

I have decided to tackle this year’s Advent Of Code using R (more or less). I know there are more preferred languages, such as Python, C#, Java, JavaScript, Go, Kotlin, C++, Elixir, but it was worth trying. Into the 8th

Tagged with: , , , ,
Posted in Uncategorized

November 2019 update and decomposition tree

I am super excited about all the new features that November 2019 update brought to Power BI Desktop. Complete list is here. Great new visual for all the data analysts is: decomposition tree. To enable the decomposition tree, navigate to

Tagged with: , , , , ,
Posted in Uncategorized

Hangman game with R

Hangman is a classic word game in which you need to need to guess as many possible letters in word, so you can guess the word, before running out of tries (lives). Upon running out of tries, you are hanged!

Tagged with: , , , , ,
Posted in Uncategorized

Installing SSIS, SSRS and SSAS with Visual Studio 2019

Visual Studio 2019 brings new installation of SQL Server Integration services and SQL Server Analysis Services and SQL Server Reporting Services. There is no need to download SSDT (SQL Server Data Tools for Visual Studio) as used to do with

Tagged with: , , , , , , ,
Posted in Uncategorized

Finding duplicates in data frame across columns and replacing them with unique values using R

Suppose you have a dataset with many variables, and you want to check: if there are any duplicated for each of the observation replace duplicates with random value from pool of existing values.   In this manner, let’s create a

Tagged with: , , , ,
Posted in Uncategorized

Python Pandas MultiIndex and reading data from SQL Server

Python Pandas multiIndex is a hierarchical indexing over multiple tuples or arrays of data, enabling advanced dataframe wrangling and analysis on higher data dimensionality. Everyone have had come across multiIndex in Python Pandas and had little annoyancens as the first

Tagged with: , , , , , , ,
Posted in Uncategorized
Categories
Follow TomazTsql on WordPress.com
Programs I Use
Programs I Use
Programs I Use
Rdeči Noski – Charity

Rdeči noski

100% of donations made here go to charity, no deductions, no fees. For CLOWNDOCTORS - encouraging more joy and happiness to children staying in hospitals (http://www.rednoses.eu/red-noses-organisations/slovenia/)

€2.00

Top SQL Server Bloggers 2018
TomazTsql

Tomaz doing BI and DEV with SQL Server and R, Python and beyond

Discover

A daily selection of the best content published on WordPress, collected for you by humans who love to read.

Revolutions

Tomaz doing BI and DEV with SQL Server and R, Python and beyond

tenbulls.co.uk

attaining enlightenment with sql server, .net, biztalk, windows and linux

SQL DBA with A Beard

He's a SQL DBA and he has a beard

Reeves Smith's SQL & BI Blog

A blog about SQL Server and the Microsoft Business Intelligence stack with some random Non-Microsoft tools thrown in for good measure.

SQL Server

for Application Developers

Business Analytics 3.0

Data Driven Business Models

SQL Database Engine Blog

Tomaz doing BI and DEV with SQL Server and R, Python and beyond

Search Msdn

Tomaz doing BI and DEV with SQL Server and R, Python and beyond

R-bloggers

Tomaz doing BI and DEV with SQL Server and R, Python and beyond

Ms SQL Girl

Julie Koesmarno's Journey In Data, BI and SQL World

R-bloggers

R news and tutorials contributed by hundreds of R bloggers

Data Until I Die!

Data for Life :)

Paul Turley's SQL Server BI Blog

sharing my experiences with the Microsoft data platform, SQL Server BI, Data Modeling, SSAS Design, Power Pivot, Power BI, SSRS Advanced Design, Power BI, Dashboards & Visualization since 2009

Grant Fritchey

Intimidating Databases and Code

Madhivanan's SQL blog

A modern business theme

Alessandro Alpi's Blog

SQL Server, Azure and DLM in a nutshell :D

Paul te Braak

Business Intelligence Blog

Sql Server Insane Asylum (A Blog by Pat Wright)

Information about SQL Server from the Asylum.

Gareth's Blog

A blog about Life, SQL & Everything ...

SQLPam's Blog

Life changes fast and this is where I occasionally take time to ponder what I have learned and experienced. A lot of focus will be on SQL and the SQL community – but life varies.