Description Usage Arguments Author(s) References See Also Examples

The method for seperating the nodes in the two-dimensional spaces is the non-dimensional scaling technique, which can take the similarity matrices of the nodes as the input and generate the positions of the nodes in the space.

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`gemat` |
standard graph square matrix |

`type` |
if type="both", the node similarity is calculated based on the the vertex similarity from the inward/outward links for each pair of nodes. if type="in", the node similarity is calculated based on the the vertex similarity from the inward links for each pair of nodes. if type="out", the node similarity is calculated based on the the vertex similarity from the outward links for each pair of nodes. |

`metric` |
node similarity methods, currently supporting two basic similarity indices: "jaccard" and "sorensen". |

`addlabels` |
if you want to label each node/vertex, set it's status as TRUE; default is FALSE |

`scaled` |
if you want to the links showing relative weights, set it's status as TRUE; default is FALSE links with larger weights will have thicker line width, vice versa. |

`weighted` |
if TRUE, the links/edges will be weighted based on the cell value present in the matrix of gemat, different edges then will have different line widths for representing them. Otherwise, all edges have the same line width. Default is TRUE |

`pch` |
this pch is for nodes/vertex |

`bg` |
bg is for nodes/vertex filled background colors, will function when pch=21:25. |

`pcex` |
pcex is for nodes/vertex size |

`pcol` |
pcol is for nodes/vertex color |

`lty` |
lty is the line style for the links |

`lcol` |
lcol is the line color for the links |

`tfont` |
tfont is the font size for the labels of the nodes |

`tcol` |
tcol is the color for the labels of the nodes |

Youhua Chen <[email protected]>

Chen Y (2012) loop: an R package for performing decomposition of weighted directed graphs, food web analysis and flexible network plotting. Submitted.

`fplot.foodweb`

,
`groupplot.foodweb`

,
`gplot`

,
`gplot1`

,
`groupplot`

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