# diagonals v5.2.0

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## Block Diagonal Extraction or Replacement

Several tools for handling block-matrix diagonals and similar constructs are implemented. Block-diagonal matrices can be extracted or removed using two small functions implemented here. In addition, non-square matrices are supported. Block diagonal matrices occur when two dimensions of a data set are combined along one edge of a matrix. For example, trade-flow data in the 'decompr' and 'gvc' packages have each country-industry combination occur along both edges of the matrix.

# diagonals

Block-diagonal matrices can be extracted or removed using two small functions implemented here, in addition, non-square matrices are supported.

Block diagonal matrices occur when we combine two dimensions of a data set along one edge of a matrix. For example, trade-flow data in the decompr and gvc package have each country-industry combination occur on each edge of the matrix.

## Installation

The stable version of the diagonals package can be install from CRAN using:

install.packages("diagonals")


The development version, to be used at your peril, can be installed using:

if (!require('remotes')) install.packages('remotes')
remotes::install_github("bquast/diagonals")


## Usage

Following installation, the package can be loaded using:

library(diagonals)


For general information on using the package, please refer to the help files .

help("diagonals")
help(package = "diagonals")


For examples of usage, see the function specific help page.

help("fatdiag")


In addition to the help files we provide long form examples in the vignettes .

vignette("fatdiag")

# or
browseVignettes("diagonals")


An overview of the changes is available in the NEWS file.

news(package="diagonals")


There is also a blog post with information on my personal website.

https://qua.st/diagonals/

## Development

Development takes place on the GitHub page.

https://github.com/bquast/diagonals

Bugs can be filed on the issues page on GitHub.

https://github.com/bquast/diagonals/issues

## Functions in diagonals

 Name Description fatdiag Fat Matrix Diagonals diagonals diagonals split_vector Split Vector No Results!