Reduce computing time for reshape

Reduce computing time for reshape

References

Reference NO 1

http://stackoverflow.com/questions/14115357/creating-longitudinal-datasets-with-reshape

Reference NO 2

http://stackoverflow.com/questions/7791283/speeding-up-reshaping-person-to-period-format-dataframe-in-r

Reference NO 3

https://www.opm.gov/policy-data-oversight/workforce-restructuring/reductions-in-force/workforce_reshaping.pdf

Reference NO 4

http://www.cnbc.com/id/48812401

Reference NO 5

http://insuranceblog.accenture.com/how-cloud-computing-is-reshaping-the-insurance-industry/

Reference NO 6

http://www.jstatsoft.org/v21/i12/paper

Reference NO 7

http://www.ats.ucla.edu/stat/spss/modules/reshapel.htm

Reference NO 8

http://www.usenix.org/event/hotcloud09/tech/full_papers/sonnek.pdf