When to use Bump Charts in Tableau
Bump Charts
- When to use Bump Charts:
- Bump Charts helps us to assign Ranks to various Dimensions across the Time series. Here, let’s find the Ranks of each individual Region in each cumulative Month. Database used is Sample Super Store.
- Pull Month (Order date) (cumulative) onto Columns and Region on Colors on Marks card.
- Create a Calculated Field, name it Rank and give the formula as Index().
- Right Click on the Rank, Convert it from Continuous to Discrete.
- Pull the Rank onto Rows.
- Change the Mark type from Box to Line. We can see 12 Ranks now as there are 12 months.
- Click on ‘Ranks’ on the rows, Go to ‘Edit Table Calculations’. In Compute Using, Select Specific Dimensions. Select Month of Order date, Region. In ‘At the level’, select ‘Region’, at ‘Restarting Every’ Select ‘Month of Order date’, at ‘Sort Order’ choose Custom, Select ‘Profit’, aggregation to ‘Sum’, and Sort order ‘Descending’.
- This gives the Ranks such that, in which particular Month, which Region holds the number 1-4 Ranks.
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