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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 struct = require( '@stdlib/dstructs/struct' );
// MAIN //
/**
* Returns a new struct constructor tailored to a specified floating-point data type.
*
* @param {string} dtype - floating-point data type
* @returns {Function} struct constructor
*
* @example
* var Struct = factory( 'float64' );
* // returns <Function>
*
* var s = new Struct();
* // returns <Struct>
*/
function factory( dtype ) {
var schema = [
{
'name': 'replicates',
'description': 'number of times the data was clustered with different initial centroids',
'type': 'int64',
'castingMode': 'safe'
},
{
'name': 'replicate',
'description': 'index of the initial centroids which produced the best result',
'type': 'int64',
'castingMode': 'safe'
},
{
'name': 'metric',
'description': 'distance metric',
'type': 'int8',
'castingMode': 'none'
},
{
'name': 'iterations',
'description': 'number of iterations for best results',
'type': 'int64',
'castingMode': 'safe'
},
{
'name': 'algorithm',
'description': 'clustering algorithm',
'type': 'int8',
'castingMode': 'none'
},
{
'name': 'inertia',
'description': 'sum of squared distances to the closest centroid for all samples',
'type': dtype,
'castingMode': 'mostly-safe'
},
{
'name': 'k',
'description': 'number of clusters',
'type': 'int64',
'castingMode': 'safe'
},
{
'name': 'samples',
'description': 'number of samples',
'type': 'int64',
'castingMode': 'safe'
},
{
'name': 'features',
'description': 'number of features',
'type': 'int64',
'castingMode': 'safe'
}
];
return struct( schema );
}
// EXPORTS //
module.exports = factory;
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