Q. Which of the following functions is typically used to add elements to a plot in the base graphics system?

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Q. Which function opens the screen graphics device for the Mac?

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Q. What does the ‘pch’ option to par() control?

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Q. If I want to save a plot to a PDF file, which of the following is a correct way of doing that?

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Q. __________ produces box-and-whisker plots.

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Q. __________ produces bivariate scatterplots or time-series plots.

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Q. Annotation of plots in any plotting system involves adding points, lines, or text to the plot, in addition to customizing axis labels or adding titles. Different plotting systems have different sets of functions for annotating plots in this way. Which of the following functions can be used to annotate the panels in a multi-panel lattice plot?

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Q. ____________ produces one-dimensional scatterplots.

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Q. Which of the following functions can be used to finely control the appearance of all lattice plots ?

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Q. What is ggplot2 an implementation of?

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Q. For barchart and _________ non-trivial methods exist for tables and arrays, documented at barchart.table.

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Q. What is a geom in the ggplot2 system?

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Q. Logical flag is applicable to which of the following plots?

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Q. ___________ is used to determine what is plotted for each group.

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