row.names
Row Names Attribute

### Description

Returns or changes the row.names attribute of a data frame, an array, or a matrix.

### Usage

    row.names(x)
    row.names(x) <- value

### Arguments

x | any object; usually a data frame.
value | a vector with the same length as the number of rows in x. (If value is not a vector of character strings, it is coerced to one.)

### Details

The value can be a character vector or anything that can be coerced to a character vector.
Value
returns a character vector containing the row names.
Side Effects
In the assignment form, the row names of x are changed to value.
Differences between Spotfire Enterprise Runtime for R and Open-source R
Unlike Spotfire Enterprise Runtime for R, open-source R has no function rowIds.
See Also
data.frame, rownames.
Examples

    # create a data frame, with the row names as default.
    df <- data.frame(c(1, 2, 3, 4))
    row.names(df)
    # [1] "1" "2" "3" "4"
    row.names(df) <- c("a", "b", "c", "d")
    row.names(df)
    # [1] "a" "b" "c" "d"

Package base version 6.1.5-18
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