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 afterread.
) - How can we find more information on an R function called
read.xls()
? - Explain the differences between two R functions:
save()
andsaveRDS()
. - Find more information about the
read_clipboard()
function included in the Python pandas package.
- What is the Quandl platform...