jubatus::core::regression Namespace Reference

Classes
class	passive_aggressive
class	regression_base
class	regression_factory

Functions
static float	squared_norm (const common::sfv_t &fv)

Function Documentation

static float jubatus::core::regression::squared_norm ( const common::sfv_t &  fv )

static

Definition at line 54 of file passive_aggressive.cpp.

Referenced by jubatus::core::nearest_neighbor::euclid_lsh::neighbor_row_from_hash(), and jubatus::core::regression::passive_aggressive::train().

                                                 {
  float norm = 0.f;
  for (size_t i = 0; i < fv.size(); ++i) {
    norm += fv[i].second * fv[i].second;
  }
  return norm;
}

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