Factors are created using the _______ function. - R Quiz

R - Quiz(MCQ)

Factors are created using the _______ function.

A)

C()

B)

Lists()

C)

Function()

D)

Array()

Correct Answer : Function()

Explanation : Factors are created using the factor() function. The labels are always character irrespective of whether it is numeric or character or also Boolean etc. in the vector. The nlevels functions will give the count of levels.

Recently Updated in R Questions

_____ is simplest class of analytics.

A)

Predictive

B)

Prescriptive

C)

Summarization

D)

Descriptive

Correct Answer : Descriptive

Explanation : Descriptive is the simplest class of analytics. Predictive analytics can only forecast what might happen in the future because all predictive analytics are probabilistic in nature.

Which of the following involves predicting a categorical response?

A)

Classification

B)

Clustering

C)

Regression

D)

Summarization

Correct Answer : Classification

Explanation : Classification techniques are widely used in data mining to classify data.

________ is proprietary tool for predictive analytics.

A)

R

B)

EDR

C)

SAS

D)

SSAS

Correct Answer : SAS

Explanation : SAS (Statistical Analysis System) is a software suite developed by SAS Institute for advanced analytics.

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