In lm(response ~ terms), terms specification of the form first*second is same as __________ - R Quiz

R - Quiz(MCQ)

In lm(response ~ terms), terms specification of the form "first*second" is same as __________

A)

first:second

B)

first+second

C)

first+second+first:second

D)

first:second+second:first

Correct Answer : first+second+first:second

Explanation : A terms specification of the form “first + second” indicates all the terms in first together with all the terms in second with duplicates removed.

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.

New Technologies MCQ's

Machine Learning

Artificial Intelligence

Ethical Hacking

Microsoft Azure

Cloud Computing

Quantum Computing

Neural Networks

Virtual Reality

Augmented Reality

Advertisement