R Questions Set 19:
Quiz Mode
_______ returns a subset of the columns of a data frame
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______ statement make a mosaic plot.
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The ________ is represented by the location parameter.
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What is the output of the code?
> x <- 7
> class(x)
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Which of the following declares the current plot as undeclared?
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The R package _____ specializes in converting data from wide to long format.
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Which of the following operators allows you to chain operations in a left-to-right fashion?
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Which of the following statements is an alternative to using solve()?
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The graphical parameter that defines how many lines appear in each of the four margins is called ________.
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The corresponding R function for the probability mass function (PMF) of a binomial distribution is
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