BLOGS BY TOPIC
BLOGS BY AUTHOR
BLOGS BY YEAR
Wise Owl blogs written by Sam Lowrie (page 1 of 2)
Showing blogs 1-20 (out of 28)
Sam attended our first Power BI meetup at the end of January, and was impressed!
Posted by Sam Lowrie on 29 February 2020
A summary of what happened in the Power BI meet-up at the end of January, from a convert (Sam).
YouTube Silver Award - 100K + subscribers!
Posted by Sam Lowrie on 25 November 2019
We're proud to announce that YouTube have given us their coveted silver award, in recognition of the fact that our video channel has over 100,000 subscribers.
Dynamic comparison calculations in DAX
Posted by Sam Lowrie on 11 November 2019
This blogs shows a clever way in which you can use a slicer to choose which values to compare in a measure.
Explaining the VALUE argument of the RANKX function in DAX
Posted by Sam Lowrie on 29 October 2019
The RANKX function does what the name implies - it ranks values based on a calculation. However, the VALUE argument often causes confusion; this blog explains what it does!
Posted by Sam Lowrie on 05 October 2019
Sam lists out 5 board games you should try, covering everything from matching symbols to killing zombies.
Attending an Expo - 5 things to consider
Posted by Sam Lowrie on 19 August 2019
Having attended our first expo we would like to share some insights into things to consider!
New features introduced in the July 2019 update of Power BI
Posted by Sam Lowrie on 02 August 2019
There are big changes to conditional formatting this month (you can display icons, and use percent-based thresholds), but the biggest change of all is the release - finally - of the new filter pane.
Creating complex custom date periods in calendar tables using calculated columns
Posted by Sam Lowrie on 17 May 2019
This blog shows how to create custom date periods within a date table for 28 day cycles, but the principles shown could be applied to create any custom date periods.
Creating a calendar or date table in Power BI using built-in calendar functions
Posted by Sam Lowrie on 17 May 2019
Learn how to create a basic date table in Power BI, using either the CALENDAR or CALENDARAUTO functions, and also learn how to then add custom columns of your own.
Modelling a fixed or variable custom financial year in Power BI
Posted by Sam Lowrie on 17 May 2019
Whether your financial year ends on a fixed date every year or on the first Monday in June, this blog will show you how to incorporate it into your calendar table.
The mysteries of context transition explained
Posted by Sam Lowrie on 25 February 2019
Context transition happens when a DAX function creates filter context within row context, or vice versa. This blog explains what context transition is, and shows which DAX functions make use of it.
Understanding row context in DAX
Posted by Sam Lowrie on 01 February 2019
Row context (along with its sibling, filter context) is one of the most important concepts in DAX. This blog explains what row context is, and how to use it!
Understanding filter context in DAX
Posted by Sam Lowrie on 28 January 2019
Understanding filter context is the key to understanding how to create measures in DAX. This blog aims to explain this vital subject as succinctly as possible!
How to monitor stock levels from forecast sales using DAX measures in Power BI
Posted by Sam Lowrie on 06 November 2018
Given your current stock levels and forecast sales, it should be possible to report on future stock depletion in Power BI. This two-part blog shows you how to just that!
A DAX formatter to tidy up your code
Posted by Sam Lowrie on 30 July 2018
Use this handy web based formatter to turn shameful code into neat DAX!
Posted by Sam Lowrie on 30 July 2018
Learn to use DAX variables, and understand how they can be used to break up code. Not true debugging, but better than nothing!
How to show current drilldown filters in Power BI Desktop
Posted by Sam Lowrie on 20 July 2018
Some technique to remind users what levels they chose while using drilldown.
Stop automatic grouping in Power BI Desktop
Posted by Sam Lowrie on 20 July 2018
Read this blog to understand the risk of Power BI's automatic grouping of data, and to learn how to avoid getting caught out!
Disappearing data labels in Power BI Desktop
Posted by Sam Lowrie on 20 July 2018
Ever had a data label vanish for no apparent reason? This blog gives two of the most common reasons why this might happen.
Using MERGE and MATCHED in SQL
Posted by Sam Lowrie on 21 June 2018
Learn how to MERGE rows from two tables into one combined table, and how to remove unwanted data from both tables.