Method Idf
Idf(Int64, Int64)
Implemented as log(1 + (numDocs - docFreq + 0.5)/(docFreq + 0.5)).
Declaration
protected virtual float Idf(long docFreq, long numDocs)Parameters
| Type | Name | Description |
|---|---|---|
| System.Int64 | docFreq | |
| System.Int64 | numDocs |
Returns
| Type | Description |
|---|---|
| System.Single |
