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 frameI had been asked this question in final exam.My question is from Basics topic in section History, Overview and Getting Started of R Programming

What is the function to set row names for a data frame?(a) row.names()

1.	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 frameI had been asked this question in final exam.My question is from Basics topic in section History, Overview and Getting Started of R Programming
Answer» The CORRECT choice is (a) ROW.NAMES() EXPLANATION: row.names() is the function to set row names for a DATA frame. Data frames have a special attribute called row.names, which indicate information about each row of the data frame.

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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 frameI had been asked this question in final exam.My question is from Basics topic in section History, Overview and Getting Started of R Programming

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