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KUMAZAKI Hiroki
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| // Jubatus: Online machine learning framework for distributed environment | ||
| // Copyright (C) 2012 Preferred Networks and Nippon Telegraph and Telephone Corporation. | ||
| // | ||
| // This library is free software; you can redistribute it and/or | ||
| // modify it under the terms of the GNU Lesser General Public | ||
| // License version 2.1 as published by the Free Software Foundation. | ||
| // | ||
| // This library is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| // Lesser General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU Lesser General Public | ||
| // License along with this library; if not, write to the Free Software | ||
| // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
|
|
||
| #include "classifier_config.hpp" | ||
|
|
||
| #include "jubatus/util/data/serialization.h" | ||
| #include "jubatus/util/data/optional.h" | ||
| #include "jubatus/util/lang/shared_ptr.h" | ||
| #include "../common/jsonconfig.hpp" | ||
| #include "../unlearner/unlearner_config.hpp" | ||
| #include "../storage/column_table.hpp" | ||
| #include "../nearest_neighbor/nearest_neighbor_base.hpp" | ||
|
|
||
| using jubatus::util::lang::shared_ptr; | ||
|
|
||
| namespace jubatus { | ||
| namespace core { | ||
| namespace classifier { | ||
| classifier_config::classifier_config(const std::string& method, | ||
| const common::jsonconfig::config& param) { | ||
| typedef util::lang::shared_ptr<detail::classifier_config_base> conf_ptr; | ||
|
|
||
| if (method == "perceptron" || | ||
| method == "PA" || method == "passive_aggressive") { | ||
| // perceptron passive_aggressive doesn't have parameter | ||
| conf_ = conf_ptr(new classifier_parameter( | ||
| common::config::config_cast_check<unlearning_classifier_config>(param))); | ||
| } else if (name == "PA1" || name == "passive_aggressive_1") { | ||
| if (param.type() == jubatus::util::text::json::json::Null) { | ||
| throw JUBATUS_EXCEPTION( | ||
| common::config_exception() << common::exception::error_message( | ||
| "parameter block is not specified in config")); | ||
| } | ||
|
|
||
| unlearning_classifier_conf_ conf | ||
| = config_cast_check<unlearning_classifier_config>(param); | ||
| unlearner = create_unlearner(conf); | ||
| res.reset(new passive_aggressive_1(conf, storage)); | ||
| } else if (name == "PA2" || name == "passive_aggressive_2") { | ||
| if (param.type() == jubatus::util::text::json::json::Null) { | ||
| throw JUBATUS_EXCEPTION( | ||
| common::config_exception() << common::exception::error_message( | ||
| "parameter block is not specified in config")); | ||
| } | ||
| unlearning_classifier_config conf | ||
| = config_cast_check<unlearning_classifier_config>(param); | ||
| unlearner = create_unlearner(conf); | ||
| res.reset(new passive_aggressive_2(conf, storage)); | ||
| } else if (name == "CW" || name == "confidence_weighted") { | ||
| if (param.type() == jubatus::util::text::json::json::Null) { | ||
| throw JUBATUS_EXCEPTION( | ||
| common::config_exception() << common::exception::error_message( | ||
| "parameter block is not specified in config")); | ||
| } | ||
| unlearning_classifier_config conf | ||
| = config_cast_check<unlearning_classifier_config>(param); | ||
| unlearner = create_unlearner(conf); | ||
| res.reset(new confidence_weighted(conf, storage)); | ||
| } else if (name == "AROW" || name == "arow") { | ||
| if (param.type() == jubatus::util::text::json::json::Null) { | ||
| throw JUBATUS_EXCEPTION( | ||
| common::config_exception() << common::exception::error_message( | ||
| "parameter block is not specified in config")); | ||
| } | ||
| unlearning_classifier_config conf | ||
| = config_cast_check<unlearning_classifier_config>(param); | ||
| unlearner = create_unlearner(conf); | ||
| res.reset(new arow(conf, storage)); | ||
| } else if (name == "NHERD" || name == "normal_herd") { | ||
| if (param.type() == jubatus::util::text::json::json::Null) { | ||
| throw JUBATUS_EXCEPTION( | ||
| common::config_exception() << common::exception::error_message( | ||
| "parameter block is not specified in config")); | ||
|
|
||
| } | ||
| unlearning_classifier_config conf | ||
| = config_cast_check<unlearning_classifier_config>(param); | ||
| unlearner = create_unlearner(conf); | ||
| res.reset(new normal_herd(conf, storage)); | ||
| } else if (name == "NN" || name == "nearest_neighbor") { | ||
| if (param.type() == jubatus::util::text::json::json::Null) { | ||
| throw JUBATUS_EXCEPTION( | ||
| common::config_exception() << common::exception::error_message( | ||
| "parameter block is not specified in config")); | ||
| } | ||
| nearest_neighbor_classifier_config conf | ||
| = config_cast_check<nearest_neighbor_classifier_config>(param); | ||
| unlearner = create_unlearner(conf); | ||
| shared_ptr<storage::column_table> table(new storage::column_table); | ||
| shared_ptr<nearest_neighbor::nearest_neighbor_base> | ||
| nearest_neighbor_engine(nearest_neighbor::create_nearest_neighbor( | ||
| conf.method, conf.parameter, table, "")); | ||
| res.reset( | ||
| new nearest_neighbor_classifier(nearest_neighbor_engine, | ||
| conf.nearest_neighbor_num, | ||
| conf.local_sensitivity)); | ||
| } else { | ||
| throw JUBATUS_EXCEPTION( | ||
| common::unsupported_method("classifier(" + name + ")")); | ||
| } | ||
| } | ||
| }; | ||
|
|
||
| } // namespace classifier | ||
| } // namespace core | ||
| } // namespace jubatus |
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