Jobs By Abekus

How many atomic vector types does R have?

1

5

2

6

3

8

4

10

Solution:

Which of the following will be called inside par() to set margins

1

Mai

2

Smai

3

May

4

Jay

Solution:

______ finds the position of a quantile in a dataset.

1

quantile()

2

barplot()

3

barchart()

4

rep()

Solution:

Which of the following tests each element of x for membership in y?

1

y%in%x

2

x%in%y

3

all(x)

4

any(x)

Solution:

________ level plotting functions that add elements to an existing plot.

1

High

2

Low

3

Medium

4

Simple

Solution:

Which command removes all the variables from the workspace?

1

rm(x)

2

rm(list=ls())

3

ls()

4

attach(mat)

Solution:

Which R function is used for outputting a textual representation of an R object?

1

dput

2

dump

3

dget

4

dset

Solution:

What would be the value of the following expression in R?

log(-1)

1

Warning in log(-1): NaNs produced

2

1

3

Null

4

0

Solution:

What plot(s) are commonly used to visualize and analyze linear regression?

1

Density plot

2

Scatter plot

3

Box plot

4

Scatter plot and box plot

Solution:

Which of the function can be used to add datasets in R provided with the columns in the datasets should be the same.?

1

hbind()

2

jbind()

3

bbind()

4

rbind()

R Questions Set 17:

How many atomic vector types does R have?

Solution:

Which of the following will be called inside par() to set margins

Solution:

______ finds the position of a quantile in a dataset.

Solution:

Which of the following tests each element of x for membership in y?

Solution:

________ level plotting functions that add elements to an existing plot.

Solution:

Which command removes all the variables from the workspace?

Solution:

Which R function is used for outputting a textual representation of an R object?

Solution:

What would be the value of the following expression in R?

Solution:

What plot(s) are commonly used to visualize and analyze linear regression?

Solution:

Which of the function can be used to add datasets in R provided with the columns in the datasets should be the same.?

Solution:

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