ASSIGNMENT 4
CREATE A NETWORK VISUALIZATION
Task 1 (30): You are given two datasets. The dataset gemstone15.csv is a list of the gemstone trade
transactions among countries in 2015. The lat and lon of the countries are located in CountryList.csv
Write a d3 code to Read CountryList and gemstone15 to create a trade network visualization.
Task 2 (40): Create the nodes for the countries and edges that represent the trade relationships.
Each edge represents an import or an export. Therefore, there can be at most two edges between
two countries (one for import and the other is for export).
A pair of countries may have many transactions in the dataset, so sum all imports and all exports
to create one edge for import and the other for export. If a pair of countries do not have trade relation, then they must not be connected by an edge.
Task 3 (30): Clear up the layout by mapping import and export edge weights to the opacity.
An example expected output is given at the end of this document.
Add interaction such that clicking on a node x shows only the nodes that it exported to and the
corresponding edges. Clicking on x again will show the nodes that it imports from, and clicking on it
the third time resets the visualization.
SUBMISSION
Submit a zip file containing all your code and supporting files. Mark is based on task completion.
Submission Deadline: See Moodle 1
Submission Deadline: See Moodle 2
