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R Questions Set 12:

Quiz Mode

Which keyword is used to skip an iteration of a loop?

sample

skip

group

Solution:

What is the abbreviation for Cumulative Distribution Function?

CDFN

CMDF

CMD

CDF

Solution:

Which function in R is used to draw an axis on the current plot?

axis()

par()

mar()

jar()

Solution:

Which of the following functions is not used to create vectors in R?

c()

typeof()

seq()

rep()

Solution:

If the programmers want the output to be a data frame or a vector, then which function is used?

Sapply

Lapply

Vapply

Zapply

Solution:

The four most frequently used types of data objects in R are vectors, matrices, data frames, and _____.

Function

Lists

Packages

Interfaces

Solution:

The corresponding R function for the cumulative distribution function (CDF) of the binomial distribution is:

Dbinom

Pbinom

Cbinorm

Hbinorm

Solution:

The logistic distribution comes up in differential equations as a model for population growth under certain assumptions.

Logistic

Linear

Discrete

Beta

Solution:

The split() function takes a vector or other objects and splits it into groups determined by a factor or list of factors.

apply()

lsplit()

split()

mapply()

Solution:

The sum of squares of the difference between the observations and the line in the horizontal direction in the scatter diagram can be minimized to obtain the estimates is generally called?

Logistic Regression

reverse regression method

Simple Regression

None of these

R Questions Set 12:

Which keyword is used to skip an iteration of a loop?

Solution:

What is the abbreviation for Cumulative Distribution Function?

Solution:

Which function in R is used to draw an axis on the current plot?

Solution:

Which of the following functions is not used to create vectors in R?

Solution:

If the programmers want the output to be a data frame or a vector, then which function is used?

Solution:

The four most frequently used types of data objects in R are vectors, matrices, data frames, and _____.

Solution:

The corresponding R function for the cumulative distribution function (CDF) of the binomial distribution is:

Solution:

The logistic distribution comes up in differential equations as a model for population growth under certain assumptions.

Solution:

The split() function takes a vector or other objects and splits it into groups determined by a factor or list of factors.

Solution:

The sum of squares of the difference between the observations and the line in the horizontal direction in the scatter diagram can be minimized to obtain the estimates is generally called?

Solution:

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