Package hivemall.io.WeightValue

Examples of hivemall.io.WeightValue.WeightValueWithCovar

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                        }
                        Object k = c1oi.getPrimitiveWritableObject(c1oi.copyObject(f0));
                        float v = c2oi.get(f1);
                        float cov = (f2 == null) ? WeightValueWithCovar.DEFAULT_COVAR
                                : c3oi.get(f2);
                        model.set(k, new WeightValueWithCovar(v, cov, false));
                    }
                } finally {
                    IOUtils.closeQuietly(reader);
                }
            }
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            old_cov = old.getCovariance();
        }

        float new_w = old_w + (coeff * old_cov * x);
        float new_cov = 1.f / (1.f / old_cov + (2.f * alpha * phi * x * x));
        return new WeightValueWithCovar(new_w, new_cov);
    }
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                return (T) new WeightValueParamsF2(weights[i], sum_of_squared_gradients[i], sum_of_gradients[i]);
            } else {
                return (T) new WeightValueParamsF1(weights[i], sum_of_squared_gradients[i]);
            }
        } else if(covars != null) {
            return (T) new WeightValueWithCovar(weights[i], covars[i]);
        } else {
            return (T) new WeightValue(weights[i]);
        }
    }
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        private int cursor;
        private final WeightValueWithCovar tmpWeight;

        private Itr() {
            this.cursor = -1;
            this.tmpWeight = new WeightValueWithCovar();
        }
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                v.setTouched(w != 0f);
                return v;
            } else {
                float w = weights[cursor];
                float cov = covars[cursor];
                WeightValueWithCovar v = new WeightValueWithCovar(w, cov);
                v.setTouched(w != 0.f || cov != 1.f);
                return v;
            }
        }
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                return (T) new WeightValueParamsF2(getWeight(i), sum_of_squared_gradients[i], sum_of_gradients[i]);
            } else {
                return (T) new WeightValueParamsF1(getWeight(i), sum_of_squared_gradients[i]);
            }
        } else if(covars != null) {
            return (T) new WeightValueWithCovar(getWeight(i), getCovar(i));
        } else {
            return (T) new WeightValue(getWeight(i));
        }
    }
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        private int cursor;
        private final WeightValueWithCovar tmpWeight;

        private Itr() {
            this.cursor = -1;
            this.tmpWeight = new WeightValueWithCovar();
        }
View Full Code Here
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                v.setTouched(w != 0f);
                return v;
            } else {
                float w = getWeight(cursor);
                float cov = getCovar(cursor);
                WeightValueWithCovar v = new WeightValueWithCovar(w, cov);
                v.setTouched(w != 0.f || cov != 1.f);
                return v;
            }
        }
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Related Classes of hivemall.io.WeightValue.WeightValueWithCovar

  • hivemall.classifier.AROWClassifierUDTF
  • hivemall.classifier.BinaryOnlineClassifierUDTF
  • hivemall.classifier.ConfidenceWeightedUDTF
  • hivemall.classifier.multiclass.MulticlassAROWClassifierUDTF
  • hivemall.classifier.multiclass.MulticlassConfidenceWeightedUDTF
  • hivemall.classifier.multiclass.MulticlassOnlineClassifierUDTF
  • hivemall.classifier.multiclass.MulticlassSoftConfidenceWeightedUDTF
  • hivemall.classifier.SoftConfideceWeightedUDTF
  • hivemall.io.DenseModel
  • hivemall.io.DenseModel$Itr
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