Q. _______ divides the time spend in each function by the total run time.

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Q. Point out the correct statement?

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Q. Which of the following function actually fits the linear model?

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Q. The final bit of output that summaryRprof() provides is the ______ interval and the total runtime.

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Q. Which of the following statement gives sampling interval?

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Q. Which of the following code is not profiled?

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Q. _______ grammar makes a clear distinction between your data and what gets displayed on the screen or page.

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Q. Point out the wrong statement?

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Q. Which of the following cuts numeric vector into intervals of equal length?

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Q. Which of the following is a plot to investigate the order in which observations were recorded?

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Q. Point out the wrong statement?

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Q. ________ is used for translating between qplot and base graphics.

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Q. __________ modifies geom/stat aesthetic defaults for future plots.

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Q. Which of the following is discrete state calculator?

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Q. Which of the following creates fluctuation plot?

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Q. ________ is used to create a plot to illustrate patterns of missing values.

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Q. _________ generate aesthetic mappings that describe how variables in the data.

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Q. Point out the correct statement?

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Q. ______ generate aesthetic mappings from a string.

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Q. Which of the following is a differentiation related aesthetic?

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