ISSS608 2017-18 T3 Assign Luo Haoran Q1

VAST Challenge 2018 MC3:
Catch the Unsub – Who hurts Eurasian Pipit?

Question 1: Company Development over Time

Image	Analysis
Overview of the Company Events	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.
Event Calendar	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.
% Difference to Last Month	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.
Waterfall Diagram of Event Types	The diagram calculates the running sum number to show the change of events counts.

Summary

The company seems being developing since May 2015, as the total counts of calls, emails, purchases and meetings are increasing over time.
Breaking down into event type level, meeting is the event type with highest increase rate as its count increased from single digit to 5 digits.