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17 Jan 2015

Freelance R Integration with D3 charts

Opevel – Posted by charyorde Anywhere

Job Description

  • Implement an r-script that creates a mysql db instance and stores the instance object in an in-memory database (e.g redis) for future reusability. The r-script takes base 64 unique hash, dbname, dbuser, dbpass, dbhost as command arguments.
  • Implement an r-script that updates redis with a mysql connection instance taking an old hash and new hash as arguments.
  • Using some sample data, implement an r-script that analyzes most active users. Data representation support for table, histogram, bar chart. The r-script should takes a unique hash, filters as command arguments.
    • Script execution should be able to:
      • Parse the command arguments
      • Retrieve a dataset from a remote mysql database using the stored mysql db instance (residing in an in-memory datastore)
      • Outputs HTML charts with d3 support


  • Example filters: filterDateRange=[]&session=2012/2013&level=grade12&programme=mathematics&period=year

How to Apply

Simply submit a sample implementation hosted on a public code repository like github using the apply form. You can also ask further questions when applying using the apply form. Full specs would be shared with applicant with an interesting implementation.

Job Categories: R Developer. Job Types: Freelance. Job Tags: r redis mysql. Salaries: Less than $100,000.

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