infer.chain {CRF} | R Documentation |
Inference method for chain-structured graphs
Description
Computing the partition function and marginal probabilities
Usage
infer.chain(crf)
Arguments
crf |
The CRF |
Details
Exact inference for chain-structured graphs with the forward-backward algorithm
Value
This function will return a list with components:
node.bel |
Node belief. It is a matrix with |
edge.bel |
Edge belief. It is a list of matrices. The size of list is |
logZ |
The logarithmic value of CRF normalization factor Z. |
Examples
library(CRF)
data(Small)
i <- infer.chain(Small$crf)
[Package CRF version 0.4-3 Index]