Visualising data flows using Custom Visuals

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Assume a 4 column dataset (a small sample) as follows:

City of Origin City of destination Mode of Transport Passengers travelled
New Delhi Pune Air 123
New Delhi Mumbai Air 213
New Delhi Kolkata Air 125
Chandigarh Jammu Bus 785
Chandigarh Amritsar Train 567

Given this dataset, one may want answers to the following questions:

1. Of all those passengers who originated their journey (City of Origin) from Chandigarh, how many terminated their journey (City of destination) in New Delhi via different modes of transport; and
2. Of all those passengers who terminated their journey (City of destination) in Jammu, how many arrived in Amritsar (City of Origin) via different modes of transport; and
3. Of all those passengers who travelled by Bus, how many travelled from City A (City of Origin) to City X,Y,Z (City of destination)

While one can analyse/slice and dice this data using Pivot Tables, one cannot visualize this data very clearly (even after creating a Pivot chart).  I have attempted to visualize this data using a software called PowerBI desktop (a free for download and use Business Intelligence software from Microsoft which rolls all of Excel’s BI tools into 1 – PowerPivot, Power Query, Power Map and Power View).

You may download the source Excel workbook and the Power BI desktop workbook from this link.

You may also watch a short video here:

 

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