Q. Which of the following evaluate the Normal probability density (with a given mean/SD) at a point?

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Q. _________ is the most common probability distribution to work with.

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Q. _________ ensures reproducibility of the sequence of random numbers.

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Q. Point out the correct statement?

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Q. 5 Normal random numbers can be generated with rnorm() by setting seed value to ______________

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Q. _______ function is used to simulate binary random variables.

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Q. Point out the wrong statement?

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Q. __________ distribution is commonly used to model data that come in the form of counts.

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Q. Which of the following code represents count with mean of 2?

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Q. ________ is a systematic way to examine how much time is spent in different parts of a program.

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Q. Point out the correct statement?

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Q. R comes with a ________ to help you optimize your code and improve its performance.

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Q. The _______ function computes the time (in seconds) needed to execute an expression.

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Q. Point out the correct statement?

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Q. system.time function returns an object of class _______ which contains two useful bits of information.

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Q. _________ time is time charged to the CPU(s) for the R expression.

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Q. The elapsed time may be ________ than the user time if your machine has multiple cores/processors.

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Q. Parallel processing is done via __________ package can make the elapsed time smaller than the user time.

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Q. You can time ________ expressions by wrapping them in curly braces within the call to system.time().

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Q. The profiler can be turned off by passing _________ to Rprof().

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