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VAST Challenge 2018 MC3:
Catch the Unsub – Who hurts Eurasian Pipit?
Question 1: Company Development over Time
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Analysis
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 Overview of the Company Events
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This image shows the frequency of calls, emails, purchases and meetings from May 2015 to December 2017.
- The darker the color is, the more frequent this type of events happens.
- Among four types of events, frequency of events is emails > calls > purchases > meetings.
- The general trend of counts for 4 types is increasing over time.
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Event Calendar
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Event calendar displayes the frequency of events in each day in collected period. And the filter of event type can help to generate corresponding frequency.
- The color of calender is deeper over time, which tells that daily events happen more and more frequently.
- The blank cell of meetings shows that this type of event does not necessarily happen every day. However other three types are daily routine.
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% Difference to Last Month
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The diagram shows the change rate month-to-month of each event types.
- Orange line represents absolute number of event monthly, while blue bar calculates the change rate comparing to last month.
- There are upwards and downwards bar in the diagram, meaning that in some months events number decrease than previous month.
- Judging from the trend of line graphs, event counts of all types increase. And obviously meeting events increase fast.
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Waterfall Diagram of Event Types
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The diagram calculates the running sum number to show the change of events counts.
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