What is the purpose of the Hmisc package in R?
A. Data manipulation and transformation
B. Visualization of decision trees
C. Statistical analysis and modeling
D. Tools for advanced regression modeling
Answer: Option D
This Question Belongs to R Programming >> R Programming Packages
Which package in R is commonly used for data manipulation and transformation tasks?
A. dplyr
B. manipulateR
C. datawrangler
D. reshape2
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
In R, which package is specifically designed for working with time series data?
A. forecast
B. timeSeries
C. tsdata
D. chron
Which package provides functions for fitting linear and nonlinear mixed-effects models in R?
A. lme4
B. nlme
C. mixedmodels
D. lmnlme
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