Description Usage Arguments Details Value Author(s) Examples

View source: R/component.adj.matrix.R

Create an adjacency matrix from SSURGO component data

1 2 3 | ```
component.adj.matrix(d, mu='mukey', co='compname', wt='comppct_r',
method='community.matrix', standardization='max', metric='jaccard',
rm.orphans=TRUE, similarity=TRUE)
``` |

`d` |
a |

`mu` |
name of the column containing the map unit ID (typically 'mukey') |

`co` |
name of the column containing the component ID (typically 'compname') |

`wt` |
name of the column containing the component weight percent (typically 'comppct_r') |

`method` |
one of either: 'community.matrix', or 'occurrence'; see details |

`standardization` |
community matrix standardization method, passed to |

`metric` |
community matrix dissimilarity metric, passed to |

`rm.orphans` |
logical, should map units with a single component be ommitted? (typically yes) |

`similarity` |
logical, return a similarity matrix? (if FALSE, a distance matrix is returned) |

Pending...

a similatiy matrix / ajacency matrix suitable for use with `igraph`

functions or anything else that can accomodate a _similarity_ matrix.

D.E. Beaudette

1 2 3 4 5 6 7 8 | ```
# load sample data set
data(amador)
# convert into adjacency matrix
m <- component.adj.matrix(amador)
# plot network diagram, with Amador soil highlighted
plotSoilRelationGraph(m, s='amador')
``` |

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