R: Reads one of the columns

extractMatrix.GenericTabularFile {R.filesets} | R Documentation

## Reads one of the columns

### Description

Reads one of the columns.

### Usage

    ## S3 method for class 'GenericTabularFile'
    extractMatrix(this, column=1L, drop=FALSE, ..., verbose=FALSE)

### Arguments

`column` | An `integer` specifying the column to read.
`drop` | If `TRUE`, a `vector` is returned, otherwise a one-column `matrix`.
`...` | Additional arguments passed to `*readColumns()`.
`verbose` | A `logical` or a `Verbose` object.

### Value

Returns a Jx1 `matrix`, or if `drop=TRUE` a `vector` of length J.

### Author(s)

Henrik Bengtsson

### See Also

For more information see `GenericTabularFile`.

[Package R.filesets version 2.11.0 Index]