Clones a given object by serializing it to a byte array and reading it back. This is useful for testing serialization methods. @param obj @return A

Returns the total constraint value. @return Constraint value

Return the standard deviation

Print to System.out how much time has passed, resetting this Timing's start time to the current time. Time is measured from the most recent <code>tic

Return true iff this pipe expects and processes information in the <tt>target</tt> slot.

Return a random double drawn from a Gaussian distribution with mean 0 and variance 1.

Returns the number of assignments of this clique.

Adds all indices that are present in some other feature vector with value 1.0. Beware that this may have unintended effects if <tt>fv.dictionary

Computes marginal distributions for a factor graph. @throws UnsupportedOperationException If this inferencer does not support undirected models (unli

Take input sequence from instance.data and put the output sequence in instance.data.

This method should be called whenever the CRFs weights (parameters) are changed.

Performs some operation at the end of each iteration of a maximizer. @param maxable Function that's being optimized. @param iter Number of just-fi

Saves memory by allowing ilist to be garbage collected (deletes this node's associated instance list)

Returns the variables in this clique as an array, that should not be modified. @return An array of Variables.

Calculate digamma using an asymptotic expansion involving Bernoulli numbers.

Returns a potential phi over the given variables obtained by taking phi (x) = max_[all v that contain x] this.prob (x)

Returns a unique numeric index for a variable in this model. Every UndirectedModel <tt>mdl</tt> maintains a mapping between its variables and the

Returns the number of labels in the map.

Convenience method that can often implement alphabetsMatch in classes that implement the AlphabetsCarrying interface.

Computes this /= pot <P> If both potentials are currently in log space, then does subtraction instead. @throws UnsupportedOperationException If o

Returns an iterator of all the factors in the graph.

Returns a variable from this model with a given index. Every UndirectedModel <tt>mdl</tt> maintains a mapping between its variables and the intege

@return the total number of nodes in this tree

Returns the elementwise product of this factor with another.

Searches this model for a variable with a given name. @param name Name to find. @return A variable <tt>var</tt> such that <tt>var.getLabel().equals

Returns an Assignment object that corresponds to the LabelSequence for which this graph was unrolled.

Returns an alphabet of the features used by the extractor. The alphabet maps strings describing the features to indices. @return the input alphabet

Returns the natural logarithm of the joint probability of a given assignment, computed in some factorized fashion. Before using this method, <tt>com

Draw a single sample from multinomial "a".

Sets every element of a double array to a given value. @param m The array to modify @param v The value