Finding the levels of a factor
A data set called sportscar
has been loaded for you. It describes choices between different sports cars that have four features:
- the number of
seat
s - the
trans
mission type - whether it has a
convert
ible roof - the
price
in thousands of dollars
Feel free to inspect the data frame using your favorite functions. When you are done, use summary()
or levels()
to find out what the levels for the seat
variable are in this data set. The levels of the seat
variable in sportscar
are:
This exercise is part of the course
Choice Modeling for Marketing in R
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