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* @license Apache-2.0
*
* Copyright (c) 2026 The Stdlib Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
'use strict';
// MODULES //
var typedarray2json = require( '@stdlib/array/to-json' );
// MAIN //
/**
* Serializes an SGD trainer params object as a JSON object.
*
* @param {Object} params - SGD trainer params object
* @returns {Object} serialized object
*
* @example
* var Float64Array = require( '@stdlib/array/float64' );
*
* var params = {
* 'penaltyParams': new Float64Array( [ 2.5, 0.0 ] ),
* 'learningRateParams': new Float64Array( [ 0.01, 0.0 ] ),
* 'lossFunctionParams': new Float64Array( [ 0.0 ] ),
* 'intercept': 0.0,
* 'maxIter': 1000,
* 'penalty': 'l2',
* 'learningRate': 'constant',
* 'lossFunction': 'hinge',
* 'fitIntercept': true,
* 'method': 'Stochastic Gradient Descent'
* };
*
* var obj = toJSON( params );
* // returns {...}
*/
function toJSON( params ) {
return {
'fitIntercept': params.fitIntercept,
'intercept': params.intercept,
'maxIter': params.maxIter,
'penalty': params.penalty,
'learningRate': params.learningRate,
'lossFunction': params.lossFunction,
'penaltyParams': typedarray2json( params.penaltyParams ),
'learningRateParams': typedarray2json( params.learningRateParams ),
'lossFunctionParams': typedarray2json( params.lossFunctionParams ),
'method': params.method
};
}
// EXPORTS //
module.exports = toJSON;
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