R: Uniform Rectangular Data Subscripting Function

subscript2d {splus2R} | R Documentation

## Uniform Rectangular Data Subscripting Function

### Description

subscript2d is for subscripting matrices and data frames.

### Usage

    subscript2d(x,i,j)
    subscript2dMatrix(x,i,j)
    subscript2dDataFrame(x,i,j)

### Arguments

`x` | a matrix or data frame
`i` | first (row) subscript.
`j` | second (column) subscript.

### Value

`subscript2d(x,i,j)` is like `x[i,j,drop=F]`, except that it allows `x[,1]` (for example) for atomic vectors as well, and it always returns an object of the same class as `x` (that is, it does not support a drop argument).

### See Also

`as.data.frame`, `matrix`.

### Examples

    x <- 1:10
    subscript2d(x,3,1)
    subscript2d(data.frame(x),3,1)
    subscript2d(matrix(x),3,1)

[Package splus2R version 1.3-3 Index]