- 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 read.)
- How can we find more information on an R function called read.xls()?
- Explain the differences between two R functions: save() and saveRDS...
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