1. What is the purpose of the data.table package in R, particularly in comparison to the base R data frames? A. Enhances data manipulation and provides fast operations B. Facilitates spatial data analysis C. Focuses on machine learning and predictive modeling D. Performs statistical hypothesis testing Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
2. In R, what does the Rcpp package primarily enable? A. Integration of R with C++ for improved performance B. Data visualization and plotting C. Natural language processing (NLP) D. Spatial data analysis Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
3. What is the primary functionality of the shinytest package in the context of Shiny applications? A. Automated testing of Shiny applications B. Web scraping and data extraction C. Time series analysis and forecasting D. Creating and modifying network graphs Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
4. In R, which package provides tools for working with parallel computing, especially for loops? A. foreach B. parallelR C. multicore D. parallelCompute Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
5. What does the purrr package in R focus on? A. Functional programming and iteration B. Bayesian data analysis C. Geospatial data analysis D. Machine learning model training and evaluation Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
6. In R, which package is commonly used for working with regular expressions? A. regexR B. rexplore C. stringi D. retext Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
7. What is the role of the RCurl package in R? A. Handling URLs and performing HTTP requests B. Statistical hypothesis testing C. Natural language processing (NLP) D. Machine learning model training and evaluation Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
8. In R, which package is commonly used for Bayesian statistical modeling with probabilistic programming? A. brms B. bayesR C. pymc3 D. bayesianstats Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
9. What is the primary purpose of the shinydashboard package in R Shiny applications? A. Building interactive dashboards for data visualization B. Creating statistical models C. Customizing the appearance of ggplot2 plots D. Web scraping and data extraction Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
10. In R, which package is commonly used for dimensionality reduction and feature extraction in machine learning? A. dimred B. mlr C. featureR D. reduction Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board