ebolabigdata.org is a data science for humanitarian project, which is dedicated to solving real world problems related to Ebola and it's impacts.

List of Languages and tools used:

• R :- predictive modeling, reactive graphics, Shiny
• Python :- machine learning, data analysis and web data mining
• Hadoop: data collection
  • pig
  • Datafu
• Gaffi:- graph visualization
• Tableau:- data visualization
• Bloomberg L.P. API:- realtime feed of stock market data
• Node.js :- used for Watson, Bloomberg L.P. API
• Chef:- automated deployment Digitalocean and AWS

We are using R 3.1.0, because it support's all important packages as latest version doesn't support.
Also, R version >= 3.0 doesn't have problem large vector size upto 64 GB as version 2.15.3 support vector size upto 2GB. If dataframe size > 64Gb; use bigmemory package.

R packages

• ggplot2 :- Graphics in R
• reshape :- restructuring the data
• plyr :- for apply function like S+
• gdata :- reading xls
• rggobi :- GGobi and R
• ggmap :- spatial visualization
• melfy :- model based clustering
• knitr :- report generation
• stringr :- easier to work with strings
• osmar :- OpenStreetMap and R
• twitteR :- twitter api
• shiny :- web application framework
• PIN :- aeasuring asymmetric in in financial markets
• bigmemory:- exceed available RAM

Philosophy

• less is more
• better cognitive visualization
• effective modelling
• precise transformation
• data scinece as a ecosystem such as Python, R, Java, Js, Sql, Regex , DevOps, Xpath

Contribute

Please do send in Pull Requests for source code ,suggestions, typographic errors, and hyperlinks.

Contributors

Vikash Ruhil