Donut chart is a variation of a pie. Like a pie chart, a donut chart shows the relationship of parts to a whole, but a donut chart can contain more than one data series. Each data series that is being plotted in a donut chart, adds a ring to the chart. The first data series is displayed in the centre of the chart.
Addressing and partitioning are very similar to scope and direction but are most often used to describe how table calculations are computed with absolute reference to certain fields in the view. With addressing and partitioning, you can define which dimensions in the view define the partition (scope) and which dimensions define the addressing (direction).Addressing and partitioning is a slightly confusing theory in Tableau.
There are two very useful charts which help in analyzing data, heat maps and tree maps. Heat maps and tree maps are very insightful visualizations. However, many a times, there is a confusion between the two due to which analysts either use it wrongly or totally avoid using it. This article will help draw a clear line between heat maps and tree maps, thus enabling analysts to create better visualizations.
Tableau can handle a large amount of data and I’m pretty sure that at one point or another we all have become frustrated at the amount of time it takes the Tableau reports to load. Referential Integrity is one way in which the Tableau processing time can be reduced.
This article helps you find the top and bottom N within the whole data set, and not in a subset of the data. Here, we will create two bar graphs in same worksheet, one is showing Top 5 values and the other is showing Bottom 5 values.Let’s use the sample file, Sample – Superstore Sales (Excel). Open a new worksheet and select Sample – Superstore Sales (Excel) as the data source.
Sometimes we need to change the background image in our dashboard/Worksheet so that we can better represent our analytical goal. As we know that, Tableau allows you to load dynamic image by using Custom maps option. Background Images are images that you display underneath your data in order to add more complex to the marks in the view.
Joining your data can only be done when the data comes from the same source, for example from two sheet tabs within a single Excel file. If that same information was stored in separate Excel files you would need to do a data blend in Tableau. A blend is always required if the data is stored in two separate “data sources” within Tableau. So even if your data is very closely related and exists in two separate files or databases, you will have to do a data blend if you are combining the data in Tableau