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Review questions and exercises

What is the difference between open data and proprietary databases?
Is it enough for learners in the area of data science to use open data?
Where can we access open public data?
From The UCI Data Depository, http://archive.ics.uci.edu/ml/index.php, download a dataset called Wine. Write a program in R to import it.
From the UCI Data Depository, download a dataset called Forest Fire. Write a program in Python to import it.
From the UCI Data Depository, download a dataset called Bank Marketing. Write a program in Octave to import it. Answer the following questions: 1) How many banks? and 2) What is the cost?
How can we find all R functions with read. as their leading letters? (Note that there is a dot after

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