What is the function to set row names for a data frame?
A. row.names()
B. colnames()
C. col.names()
D. column name cannot be set for a data frame
Answer: Option A
Related Questions on Introduction to R Programming
What is the primary purpose of R programming language?
A. Web Development
B. Data Analysis
C. Game Development
D. Mobile App Development
In R, what does the function length() do?
A. Returns the sum of elements
B. Returns the number of elements
C. Sorts the elements
D. Computes the mean
What does the function install.packages() do in R?
A. Load a package
B. Uninstall a package
C. Install a new package
D. Update all packages

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