datatable.models.Ftrl.mantissa_nbits

datatable.models.Ftrl.
mantissa_nbits
=
newmantissa_nbits
source

Number of mantissa bits to take into account for hashing floats. This option is read-only for a trained model.

Parameters

return
int

Current mantissa_nbits value.

newmantissa_nbits
int

New mantissa_nbits value, should be non-negative and less than or equal to 52, that is a number of mantissa bits in a C++ 64-bit double.

except
ValueError

The exception is raised when

  • trying to change this option for a model that has already been trained;

  • newmantissa_nbits value is negative or larger than 52.