What to do if probability of naive bayes algorithm comes out to be zero

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Ravindu De Silva

the simplest explanation is naive bayes works with categorical variables not much with numerical variables. As Alternative, i suggest you can explore "gini impurity".

Sachin Kumar

https://datascience.stackexchange.com/questions/15526/how-to-handle-a-zero-factor-in-naive-bayes-classifier-calculation

May be above link will be helpfull for you.

I have a question ????

Where is Laplacian formula is used ?

Can be used here in Case of ZERO probability ?

Paramjit Kour

@sachin Kumar add count 1 to every value in this database not easy task.