Error in discount estimator

Antoine Ghaoui Antoine.Ghaoui at
Tue Mar 13 08:52:49 PDT 2007


When using fngram-count to generate a Language Model, i'm getting the  
following error:

warning: one of required modified KneserNey count-of-count is zero
error in discount estimator

Can someone help?

knowing that the factor file is

## root trigram
R : 2 R(-1) R(-2) ntextfile_99.flm.cnt ntextfile_99.flm.lm 3
R1R2    R2      kndiscount gtmin 1 interpolate
R1      R1      kndiscount gtmin 1 interpolate
0       0       kndiscount gtmin 1



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