GFI-Projects

This repository is intended to be a mirror of the home folder of GFI's data analyst on AWS, which may include multiple projects.

Some files in vars/ are modified to prevent leaking sensitive information such as our user credentials.

System Environment

• Computing: AWS EC2

  • Operation System: Ubuntu Linux
  • Type: t2.micro

• Memory: AWS EBS

  • 9G root, gp2
  • 12G - 21G swap, gp2

• Storage: AWS S3 + EFS

  • S3
    • gfi-comtrade: downsized Comtrade datasets
    • gfi-supplemental: supplemental files
    • gfi-mirror-analysis: paired data for mirror analysis
    • gfi-work: intermediate results that used repeatly
    • gfi-archive: backup files
  • EFS
    • mounted to /efs
    • /efs/work: results of each project

Structure of Repository

• vars/: Files shared by multiple projects, usually user credentials and environment settings.

• UN-Comtrade/: Dealing with Comtrade data

• WB-WITS/: Dealing with World Bank WITS data

• pkg/: package for GFI projects

• norm/: normalizing legacy data for new process

• documentation.docx: documentation of all the projects; refer to the master flow chart in each project folder for detailed process in a technical aspect.

• spacious.sh: environment setup for processes that run in a single computing unit.

• spark-master.sh: environment setup of the master node for processes that run on multiple computing units.

• spark-worker.sh: environment setup of the worker nodes for processes that run on multiple computing units.

• .Renviron: environment setting for R sessions; complementing the *.sh environment setup files.

Related Repos

• Trade Misinvoicing Analysis Using DOTS

Update History

• 01/30/2019: repository creation, with vars/ and UN-Comtrade/
• 02/19/2019: debuging, improving efficiency and robustness
• 03/10/2019: implemented distributed computing