# Return the Top Left Corner of a DSM Matrix (wordspace)

### Description

Returns the first `n`

rows and first `k`

columns of the co-occurrence matrix stored in a `dsm`

object.
If a scored matrix is available, it is automatically used; otherwise the raw frequencies are shown.

### Usage

1 2 |

### Arguments

`x` |
an object of class |

`n` |
a single integer specifying the number of rows to extract |

`k` |
a single integer specifying the number of columns to extract (default: same as number of rows) |

`...` |
all other arguments are silently ignored |

### Details

Note that in contrast to other `head`

methods, negative values of `n`

(and `k`

) are not supported. There is also currently no corresponding `tail`

method.

### Value

A dense or sparse co-occurrence matrix with `n`

rows and `k`

columns.

### Author(s)

Stefan Evert (http://purl.org/stefan.evert)

### See Also

`head`

for the generic method.

### Examples

1 2 3 | ```
head(DSM_TermTerm, Inf, Inf) # show full co-occurrence matrix
head(DSM_TermTerm, 3, 4)
``` |