absdiffcat-ergmTerm | R Documentation |

This term adds one statistic for every possible nonzero distinct
value of `abs(attr[i]-attr[j])`

in the network. The value of each such
statistic is the number of edges in the network with the corresponding
absolute difference.

```
# binary: absdiffcat(attr,
# base=NULL,
# levels=NULL)
# valued: absdiffcat(attr,
# base=NULL,
# levels=NULL,
# form="sum")
```

`attr` |
a vertex attribute specification (see Specifying Vertex attributes and Levels ( |

`base` |
deprecated |

`levels` |
specifies which nonzero difference to include in or exclude from the model. (See Specifying Vertex
attributes and Levels ( |

`form` |
character how to aggregate tie values in a valued ERGM |

ergm versions 3.9.4 and earlier used different arguments for this
term. See `ergm-options`

for how to invoke the old behaviour.

The argument `base`

is retained for backwards compatibility and may be
removed in a future version. When both `base`

and `levels`

are passed,
`levels`

overrides `base`

.

`ergmTerm`

for index of model terms currently visible to the package.

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