Which function takes a dim attribute which creates the required number of dimensions? - R Quiz

R - Quiz(MCQ)

Which function takes a dim attribute which creates the required number of dimensions?

A)

Array

B)

Lists

C)

Matrix

D)

Vector

Correct Answer : Array

Explanation : The array function takes a dim attribute which creates the required number of dimensions. While matrices are confined to two dimensions, arrays could be of any number of dimensions.

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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