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

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Q. What is ggplot2 an implementation of?

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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. ____________ produces one-dimensional scatterplots.

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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 bivariate scatterplots or time-series plots.

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Q. __________ produces box-and-whisker plots.

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

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

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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. Bitmapped file formats can be most useful for ____________

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Q. Which of the following is an example of a vector graphics device in R?

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Q. Which of the following is an example of a valid graphics device in R?

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Q. Which of the following is true about the base plotting system?

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Q. What is the role of exploratory graphs in data analysis?

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Q. Which of the following is a principle of analytic graphics?

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Q. Spread function is known as ___________ in spreadsheets.

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Q. _________ extract a subset of rows from a data frame based on logical conditions.

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Q. Point out the correct statement?

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