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Which of the following builds empirical cumulative distribution function?

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Which of the following builds empirical cumulative distribution function?

(a) ecdf()

(b) cum

(c) cumsum

(d) lm()

I got this question at a job interview.

Query is from Visualizing Data topic in section Commands, Packages, Visualizing Data and Linear Regression of R Programming

1 Answer

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Best answer
The correct choice is (a) ecdf()

To elaborate: cumsum() is used to produce running total of values for input vector.

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