Q. Which is the function used to add the vectors?

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Q. Which of the following list contains multiple data types?

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Q. Which function is used to create data frames?

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Q. What is the purpose of the method plot()?

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Q. How many parameters does the method plot() accept?

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Q. What is the need for bubble charts?

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Q. Which of the following is the initial function used to create a bubble chart natively in R?

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Q. What is the purpose of the method symbols in R?

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Q. How to save chart as a Window metafile?

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Q. Which is the method used to save chart as a ps file?

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Q. Which of the following are methods used to save charts?

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Q. Which is the method used to draw a bar plot?

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Q. What is the purpose of the method par()?

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Q. How many parameters does the WebPageTest API accept?

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Q. What is the purpose of getting the parameter block?

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Q. What will happen if you set the private flag as 1?

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Q. What is the purpose of getting the paramerer fvonly?

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Q. What is the purpose of the file_get_contents()?

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Q. What will the file_get_contents() return?

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Q. How will you convert the returned API into an XML object?

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