Wise Owl blogs written by Sam Lowrie (page 2 of 2)

Showing blogs 21-40 (out of 40)

How to configure your webcam, microphone, speakers and much more!

Posted by Sam Lowrie on 19 June 2020

Not sure what you need for our online courses? Here's our definitive guide to setting up your computer sofware and hardware to ensure that everything works smoothly.

Tags:
Training > Online training

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.

Tags:
Hardware/software > General IT

Dynamic comparison calculations in DAX

Posted by Sam Lowrie on 08 November 2019

This blogs shows a clever way in which you can use a slicer to choose which values to compare in a measure.

Tags:
Power BI > Measures / DAX

Explaining the VALUE argument of the RANKX function in DAX

Posted by Sam Lowrie on 28 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!

Tags:
Power BI > Measures / DAX

Creating complex custom date periods in calendar tables using calculated columns

Posted by Sam Lowrie on 15 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.

Tags:
Power BI > Dates and calendars

Creating a calendar or date table in Power BI using built-in calendar functions

Posted by Sam Lowrie on 15 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.

Tags:
Power BI > Dates and calendars

Modelling a fixed or variable custom financial year in Power BI

Posted by Sam Lowrie on 15 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.

Tags:
Power BI > Dates and calendars

The mysteries of context transition explained

Posted by Sam Lowrie on 22 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.

Tags:
Power BI > Measures / DAX

Understanding row context in DAX

Posted by Sam Lowrie on 29 January 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!

Tags:
Power BI > Measures / DAX

Understanding filter context in DAX

Posted by Sam Lowrie on 25 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!

Tags:
Power BI > Measures / DAX

How to monitor stock levels from forecast sales using DAX measures in Power BI

Posted by Sam Lowrie on 05 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!