Tableau offers some "out of the box" forecasting options. And while these will not be as great as advanced machine learning approaches, they still can offer some guidance on how - for example - your sales might develop. Adding a forecast is simple: as long as you have a decently filled timeline (notice: I will... Continue Reading →
Relationships and (Data Source) Filters – Follow up blog post with Kirk Munroe
Following up on my >> previous blog post << I had the pleasure to virtually meet with Kirk Munroe and discuss the issues outlined in my posting. For those of you not yet familiar with Kirk, he is the author of "Data Modelling with Tableau." He is also a frequent guest on renowned Tableau blogs... Continue Reading →
Tableau 2025.1 Relationships, Data Source Filters and an unexpected behavior.
Today at work I ran into an unexpected behavior when using relationships in Tableau 2025.1.1 with the new feature of table specific data source filters. For those of you who might not be aware, this is the new feature I am talking about: Notice how we are now able to select the scope of the... Continue Reading →
How to do a count distinct over a rolling window
Recently a user on the forums asked how a distinct count over a rolling window could be done. Easy, you might say at first. Just use countd() and all be good. And that is true - and it is not. The problem we are facing here is that the usual countd() combined with say a... Continue Reading →
Tableau Adventurer 