# spam v2.5-1

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## Functions in spam

Name | Description | |

adjacency | Administrative districts of Germany | |

chol | Cholesky Factorization for Sparse Matrices | |

Coercion | Coercion to a Vector | |

cleanup | Cleaning up sparse matrices | |

coerce-methods | Force a spam Object to Belong to a Class | |

head | Return the First or Last Part of an Object | |

grid_zoom | grid_zoom | |

circulant | Create Circulant Matrices | |

Math | Mathematical functions | |

crossprod | Spam Matrix Crossproduct | |

germany.data | Meta-data about administrative districts of Germany | |

det | Calculate the determinant of a positive definite Sparse Matrix | |

spam-defunct | Defunct Objects in Package spam | |

map.landkreis | Administrative districts of Germany | |

diff | Lagged Differences | |

grid_trace2 | Two trace plots and a scatter plot. | |

Math2 | Rounding of Numbers | |

covmat | Covariance functions | |

nearestdist | Distance Matrix Computation | |

dim | Dimensions of an Object | |

complexity | Complexity for Sparse Matrices | |

foreign | Transformation to other sparse formats | |

diag | Sparse Matrix diagonals | |

image | Display a spam Object as Color Image | |

import | Read External Matrix Formats | |

large_matrix | Large 64-bit matrices require the R package spam64 | |

toeplitz | Create Toeplitz Matrices | |

s3only | Wappers for Sparse Matrices | |

spam operations | Basic Linear Algebra for Sparse Matrices | |

spam solve | Linear Equation Solving for Sparse Matrices | |

options | Options Settings | |

triplet | Transform a spam format to triplets | |

germany.plot | Plot administrative districts of Germany | |

powerboost | Specific options Setting | |

ordering | Extract the permutation | |

. SPAM . | SPArse Matrix Package | |

spam-class | Class "spam" | |

makeprec | Create Precision Matrices | |

spam.chol.NgPeyton-class | Class "spam.chol.NgPeyton" | |

lower.tri | Lower and Upper Triangular Part of a Sparse Matrix | |

spam methods | Methods for sparse matrices | |

precmat | IGMRF Precision Matrices | |

mle | Maximum likelihood estimates | |

display | Graphially Represent the Nonzero Entries | |

Printing and summarizing sparse matrices | ||

eigen | Eigenvalues for Sparse Matrices | |

spam | Sparse Matrix Class | |

random | Create Random spam Matrices | |

isSymmetric | Test if a spam matrix is Symmetric | |

pad | Padding a (sparse) matrix | |

kronecker | Kronecker Products on Sparse Matrices | |

rowSums | Form Row and Column Sums and Means | |

permutation | Permute a matrix | |

rmvnorm.const | Draw Constrainted Multivariate Normals | |

spam internal | Spam internal and auxiliary functions | |

fields wrapper | Wrapper for Distance Matrix Computation | |

rmvnorm | Draw Multivariate Normals | |

Summary | Rounding of Numbers | |

cbind | Combine spam Matrices by Rows or Columns | |

validate_spam | Validate a spam objects | |

version | Spam Version Information | |

bdiag | Binds Arrays Corner-to-Corner | |

Oral | Oral Cavity Cancer | |

UScounties | Adjacency structure of the counties in the contiguous United States | |

bandwidth | Bandwidth of a Sparse Matrix | |

apply | Apply Functions Over Sparse Matrix Margins | |

allequal | Test if Two 'spam' Objects are (Nearly) Equal | |

USprecip | Monthly total precipitation (mm) for April 1948 in the contiguous United States | |

constructors | Slot modification | |

No Results! |

## Vignettes of spam

Name | ||

figures/fig_ch2_factors.png | ||

figures/ill.png | ||

figures/tree.png | ||

jss15.pdf.asis | ||

spam.Rmd | ||

spam.bib | ||

No Results! |

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