Chapter 4. Sources of Data

Since our society entered a so-called information era, we have been engulfed by a huge amount of information or data. For this very reason, there is an increasing demand for persons armed with data handling skills, such as data scientists or graduates from business analytics programs. Kane (2006) proposed an open source finance concept which consists of three components:

  • The use of open source software in testing hypotheses and implementing investment strategies
  • Cheap access to financial data
  • Replication to confirm published research results

In this book, these three components are simply called: open software, open data, and open codes. Python is one of the best-known pieces of open source software. At the moment, usage ...

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