head,big.matrix-method

tail,big.matrix-method

Returns the first or last parts of a <code>big.matrix</code>
object.

Create, store, access, and manipulate massive matrices.
Matrices are allocated to shared memory and may use memory-mapped
files.  Packages 'biganalytics', 'bigtabulate', 'synchronicity', and
'bigalgebra' provide advanced functionality.

Michael J Kane

bigmemory

Manage Massive Matrices with Shared Memory and Memory-Mapped
Files

Michael J. Kane

John W. Emerson

Peter Haverty

Charles Determan

head,big.matrix-method function

<dl><dt>x</dt>
<dd>A big.matrix object</dd>
<dt>n</dt>
<dd>A single integer for the number of rows to return</dd></dl>

Arguments

Return First or Last Part of a big.matrix Object — head,big.matrix-method

<dl>

<dt>x</dt>
<dd>A big.matrix object</dd>


<dt>n</dt>
<dd>A single integer for the number of rows to return</dd>

</dl>

head,big.matrix-method: Return First or Last Part of a big.matrix Object

Description

Usage

Arguments