Warning message

[Martha Yifiru]

I am developing language models of different order (2 to 5) with Good-Turing discounting and Katz backoff for Smoothing.  I all cases, I have got the following warning message:
    discount coeff 1 is out of range : 6.2135e-17

I could not get the reason for the warning message. I develop language models 5 days ago using the same data and smoothing techniques, but this warning  message was no there.

Could you please tell me the reason behind? Does it affect the quality of my language models?

Waiting for you, I remain.
Martha

 		
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