diff --git a/stats/base/dists/arcsine/variance/coverage.ndjson b/stats/base/dists/arcsine/variance/coverage.ndjson new file mode 100644 index 000000000..ab3ef6ea8 --- /dev/null +++ b/stats/base/dists/arcsine/variance/coverage.ndjson @@ -0,0 +1 @@ +[182,182,100,7,7,100,2,2,100,182,182,100,"3688b0821bbfc1e99f33b859a4e090c6b75dc3fa","2024-12-16 20:54:40 -0500"] diff --git a/stats/base/dists/arcsine/variance/index.html b/stats/base/dists/arcsine/variance/index.html new file mode 100644 index 000000000..ba8dda5cc --- /dev/null +++ b/stats/base/dists/arcsine/variance/index.html @@ -0,0 +1,146 @@ + + + + +
++ Press n or j to go to the next uncovered block, b, p or k for the previous block. +
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+ 100% | +67/67 | +100% | +2/2 | +100% | +1/1 | +100% | +67/67 | +
+ Press n or j to go to the next uncovered block, b, p or k for the previous block. +
+ +1 +2 +3 +4 +5 +6 +7 +8 +9 +10 +11 +12 +13 +14 +15 +16 +17 +18 +19 +20 +21 +22 +23 +24 +25 +26 +27 +28 +29 +30 +31 +32 +33 +34 +35 +36 +37 +38 +39 +40 +41 +42 +43 +44 +45 +46 +47 | 1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x + | /** +* @license Apache-2.0 +* +* Copyright (c) 2018 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'; + +/** +* Arcsine distribution variance. +* +* @module @stdlib/stats/base/dists/arcsine/variance +* +* @example +* var variance = require( '@stdlib/stats/base/dists/arcsine/variance' ); +* +* var v = variance( 0.0, 1.0 ); +* // returns ~0.125 +* +* v = variance( 4.0, 12.0 ); +* // returns 8.0 +* +* v = variance( 2.0, 8.0 ); +* // returns ~4.5 +*/ + +// MODULES // + +var main = require( './main.js' ); + + +// EXPORTS // + +module.exports = main; + |
+ Press n or j to go to the next uncovered block, b, p or k for the previous block. +
+ +1 +2 +3 +4 +5 +6 +7 +8 +9 +10 +11 +12 +13 +14 +15 +16 +17 +18 +19 +20 +21 +22 +23 +24 +25 +26 +27 +28 +29 +30 +31 +32 +33 +34 +35 +36 +37 +38 +39 +40 +41 +42 +43 +44 +45 +46 +47 +48 +49 +50 +51 +52 +53 +54 +55 +56 +57 +58 +59 +60 +61 +62 +63 +64 +65 +66 +67 +68 +69 +70 | 1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1006x +1006x +4x +4x +1002x +1006x +1x +1x +1x +1x +1x + | /** +* @license Apache-2.0 +* +* Copyright (c) 2018 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 pow = require( '@stdlib/math/base/special/pow' ); + + +// MAIN // + +/** +* Returns the variance of an arcsine distribution. +* +* @param {number} a - minimum support +* @param {number} b - maximum support +* @returns {PositiveNumber} variance +* +* @example +* var v = variance( 0.0, 1.0 ); +* // returns ~0.125 +* +* @example +* var v = variance( 4.0, 12.0 ); +* // returns 8.0 +* +* @example +* var v = variance( -4.0, 4.0 ); +* // returns 8.0 +* +* @example +* var v = variance( 1.0, -0.1 ); +* // returns NaN +* +* @example +* var v = variance( 2.0, NaN ); +* // returns NaN +* +* @example +* var v = variance( NaN, 2.0 ); +* // returns NaN +*/ +function variance( a, b ) { + if ( a >= b ) { + return NaN; + } + return 0.125 * pow( b-a, 2.0 ); +} + + +// EXPORTS // + +module.exports = variance; + |
+ Press n or j to go to the next uncovered block, b, p or k for the previous block. +
+ +1 +2 +3 +4 +5 +6 +7 +8 +9 +10 +11 +12 +13 +14 +15 +16 +17 +18 +19 +20 +21 +22 +23 +24 +25 +26 +27 +28 +29 +30 +31 +32 +33 +34 +35 +36 +37 +38 +39 +40 +41 +42 +43 +44 +45 +46 +47 +48 +49 +50 +51 +52 +53 +54 +55 +56 +57 +58 +59 +60 +61 +62 +63 +64 +65 +66 +67 +68 | 1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1x +1006x +1006x +1006x +1x +1x +1x +1x +1x + | /** +* @license Apache-2.0 +* +* Copyright (c) 2024 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 addon = require( './../src/addon.node' ); + + +// MAIN // + +/** +* Returns the variance of an arcsine distribution. +* +* @private +* @param {number} a - minimum support +* @param {number} b - maximum support +* @returns {PositiveNumber} variance +* +* @example +* var v = variance( 0.0, 1.0 ); +* // returns ~0.125 +* +* @example +* var v = variance( 4.0, 12.0 ); +* // returns 8.0 +* +* @example +* var v = variance( -4.0, 4.0 ); +* // returns 8.0 +* +* @example +* var v = variance( 1.0, -0.1 ); +* // returns NaN +* +* @example +* var v = variance( 2.0, NaN ); +* // returns NaN +* +* @example +* var v = variance( NaN, 2.0 ); +* // returns NaN +*/ +function variance( a, b ) { + return addon( a, b ); +} + + +// EXPORTS // + +module.exports = variance; + |