Numbers in R are generally treated as _______ precision real numbers. - R Quiz

R - Quiz(MCQ)

Numbers in R are generally treated as _______ precision real numbers.

A)

real

B)

single

C)

double

D)

imaginary

Correct Answer : double

Explanation : This means that even if you see a number like “1” or “2” in R, which you might think of as integers, they are likely represented behind the scenes as numeric objects something like “1.00” or “2.00”.

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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