1. Which package in R is commonly used for data manipulation and transformation tasks? A. dplyr B. manipulateR C. datawrangler D. reshape2 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. What is the primary purpose of the ggplot2 package in R? A. Statistical analysis and modeling B. Data visualization and plotting C. Machine learning and predictive modeling D. Data import and export Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
3. In R, which package is specifically designed for working with time series data? A. forecast B. timeSeries C. tsdata D. chron 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. Which package provides functions for fitting linear and nonlinear mixed-effects models in R? A. lme4 B. nlme C. mixedmodels D. lmnlme 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 caret package in R facilitate? A. Data cleaning and preprocessing B. Machine learning model training and evaluation C. Bayesian data analysis D. Statistical hypothesis testing Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
6. In R, which package is commonly used for working with data frames and performing SQL-like operations? A. tidyr B. data.table C. dplyr D. sqldf 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 primary functionality of the shiny package in R? A. Web application development B. Time series analysis and forecasting C. Geospatial data visualization D. Bayesian statistics 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. Which package in R is known for providing a set of tools for working with big data using distributed computing? A. bigdataR B. sparkR C. bigR D. distrcomp Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
9. What is the purpose of the tm package in R? A. Text mining and natural language processing B. Time series modeling C. Theme customization in ggplot2 D. Tabular data manipulation 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 conducting statistical hypothesis tests? A. stats B. hypotest C. hypothesis D. infer 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