R Programming MCQs with answers Page - 109

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Q. In R, what is the purpose of the caretEnsemble package?

  • (A) Ensemble learning and model stacking
  • (B) Bayesian data analysis
  • (C) Natural language processing (NLP)
  • (D) Interactive data tables and data exploration

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Q. What is the primary purpose of the rJava package in R?

  • (A) Integration of R with Java
  • (B) Handling large datasets with parallel computing
  • (C) Creating and modifying choropleth maps
  • (D) Machine learning model training and evaluation

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Q. In R, which package is commonly used for working with large and complex datasets efficiently?

  • (A) bigR
  • (B) bigdataR
  • (C) data.table
  • (D) dplyr

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Q. What does the stringi package in R provide?

  • (A) Text manipulation and string handling
  • (B) Spatial data analysis
  • (C) Statistical modeling
  • (D) Time series forecasting

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Q. In R, which package is commonly used for conducting sentiment analysis and text mining tasks?

  • (A) sentimentR
  • (B) textR
  • (C) NLPtools
  • (D) tm

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Q. What is the purpose of the data.table package in R?

  • (A) Enhances data manipulation and provides fast operations
  • (B) Efficiently reading and writing data frames
  • (C) Creating interactive and animated plots for time series data
  • (D) Functional programming and iteration

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Q. In R, which package provides functions for creating and modifying interactive 3D plots?

  • (A) rgl
  • (B) plot3D
  • (C) threeDplot
  • (D) interactive3D

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Q. What is the primary use of the archivist package in R?

  • (A) Managing and sharing data artifacts
  • (B) Creating dynamic documents and reports
  • (C) Geospatial data analysis
  • (D) Machine learning model training and evaluation

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Q. In R, which package provides tools for working with HDF5 files?

  • (A) hdf5R
  • (B) hdf5tools
  • (C) rhdf5
  • (D) h5py

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Q. What does the RCurl package in R enable you to do?

  • (A) Handling URLs and performing HTTP requests
  • (B) Natural language processing (NLP)
  • (C) Machine learning model training and evaluation
  • (D) Creating and customizing interactive maps

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