How do we create a new environment using baseenv() as the parent?A) e = new.env(parent = baseenv())B) e = new.env()C) e = new.env(parent.env(baseenv())D) e= new.env(globalenv())How do you list the objects inside the environment for the package: stats?A) ls()B) ls(e)C) ls("Package:stats"0D) ls(as.environment("package:stats"))x = c(12,13,14,NA,18). Which of the following functions are vectorized functions A) sum(x)B) mean(x)C) sqrt(x) D) x**xE) length(x)

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Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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How do we create a new environment using baseenv() as the parent?

A) e = new.env(parent = baseenv())
B) e = new.env()
C) e = new.env(parent.env(baseenv())

D) e= new.env(globalenv())
How do you list the objects inside the environment for the package: stats?

A) ls()

B) ls(e)
C) ls("Package:stats"0
D) ls(as.environment("package:stats"))
x = c(12,13,14,NA,18). Which of the following functions are vectorized functions A) sum(x)

B) mean(x)
C) sqrt(x)
D) x**x
E) length(x)

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