2020-02-18 15:50:36 +00:00
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open Jest;
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open Expect;
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2020-02-23 13:27:52 +00:00
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let shape: DistTypes.xyShape = {xs: [|1., 4., 8.|], ys: [|8., 9., 2.|]};
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2020-02-18 15:50:36 +00:00
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2020-07-08 15:52:41 +00:00
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// let makeTest = (~only=false, str, item1, item2) =>
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// only
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// ? Only.test(str, () =>
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// expect(item1) |> toEqual(item2)
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// )
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// : test(str, () =>
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// expect(item1) |> toEqual(item2)
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// );
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2020-02-18 15:50:36 +00:00
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2020-07-08 15:52:41 +00:00
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// let makeTestCloseEquality = (~only=false, str, item1, item2, ~digits) =>
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// only
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// ? Only.test(str, () =>
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// expect(item1) |> toBeSoCloseTo(item2, ~digits)
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// )
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// : test(str, () =>
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// expect(item1) |> toBeSoCloseTo(item2, ~digits)
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// );
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2020-04-18 21:20:59 +00:00
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2020-07-08 15:52:41 +00:00
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// describe("Shape", () => {
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// describe("Continuous", () => {
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// open Distributions.Continuous;
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// let continuous = make(`Linear, shape, None);
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// makeTest("minX", T.minX(continuous), 1.0);
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// makeTest("maxX", T.maxX(continuous), 8.0);
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// makeTest(
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// "mapY",
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// T.mapY(r => r *. 2.0, continuous) |> getShape |> (r => r.ys),
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// [|16., 18.0, 4.0|],
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// );
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// describe("xToY", () => {
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// describe("when Linear", () => {
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// makeTest(
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// "at 4.0",
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// T.xToY(4., continuous),
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// {continuous: 9.0, discrete: 0.0},
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// );
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// // Note: This below is weird to me, I'm not sure if it's what we want really.
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// makeTest(
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// "at 0.0",
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// T.xToY(0., continuous),
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// {continuous: 8.0, discrete: 0.0},
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// );
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// makeTest(
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// "at 5.0",
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// T.xToY(5., continuous),
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// {continuous: 7.25, discrete: 0.0},
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// );
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// makeTest(
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// "at 10.0",
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// T.xToY(10., continuous),
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// {continuous: 2.0, discrete: 0.0},
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// );
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// });
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// describe("when Stepwise", () => {
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// let continuous = make(`Stepwise, shape, None);
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// makeTest(
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// "at 4.0",
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// T.xToY(4., continuous),
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// {continuous: 9.0, discrete: 0.0},
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// );
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// makeTest(
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// "at 0.0",
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// T.xToY(0., continuous),
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// {continuous: 0.0, discrete: 0.0},
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// );
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// makeTest(
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// "at 5.0",
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// T.xToY(5., continuous),
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// {continuous: 9.0, discrete: 0.0},
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// );
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// makeTest(
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// "at 10.0",
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// T.xToY(10., continuous),
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// {continuous: 2.0, discrete: 0.0},
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// );
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// });
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// });
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// makeTest(
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// "integral",
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// T.Integral.get(~cache=None, continuous) |> getShape,
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// {xs: [|1.0, 4.0, 8.0|], ys: [|0.0, 25.5, 47.5|]},
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// );
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// makeTest(
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// "toLinear",
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// {
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// let continuous =
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// make(`Stepwise, {xs: [|1., 4., 8.|], ys: [|0.1, 5., 1.0|]}, None);
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// continuous |> toLinear |> E.O.fmap(getShape);
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// },
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// Some({
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// xs: [|1.00007, 1.00007, 4.0, 4.00007, 8.0, 8.00007|],
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// ys: [|0.0, 0.1, 0.1, 5.0, 5.0, 1.0|],
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// }),
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// );
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// makeTest(
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// "toLinear",
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// {
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// let continuous = make(`Stepwise, {xs: [|0.0|], ys: [|0.3|]}, None);
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// continuous |> toLinear |> E.O.fmap(getShape);
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// },
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// Some({xs: [|0.0|], ys: [|0.3|]}),
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// );
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// makeTest(
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// "integralXToY",
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// T.Integral.xToY(~cache=None, 0.0, continuous),
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// 0.0,
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// );
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// makeTest(
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// "integralXToY",
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// T.Integral.xToY(~cache=None, 2.0, continuous),
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// 8.5,
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// );
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// makeTest(
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// "integralXToY",
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// T.Integral.xToY(~cache=None, 100.0, continuous),
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// 47.5,
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// );
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// makeTest(
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// "integralEndY",
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// continuous
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// |> T.normalize //scaleToIntegralSum(~intendedSum=1.0)
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// |> T.Integral.sum(~cache=None),
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// 1.0,
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// );
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// });
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2020-04-18 21:27:24 +00:00
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2020-07-08 15:52:41 +00:00
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// describe("Discrete", () => {
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// open Distributions.Discrete;
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// let shape: DistTypes.xyShape = {
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// xs: [|1., 4., 8.|],
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// ys: [|0.3, 0.5, 0.2|],
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// };
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// let discrete = make(shape, None);
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// makeTest("minX", T.minX(discrete), 1.0);
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// makeTest("maxX", T.maxX(discrete), 8.0);
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// makeTest(
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// "mapY",
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// T.mapY(r => r *. 2.0, discrete) |> (r => getShape(r).ys),
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// [|0.6, 1.0, 0.4|],
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// );
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// makeTest(
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// "xToY at 4.0",
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// T.xToY(4., discrete),
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// {discrete: 0.5, continuous: 0.0},
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// );
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// makeTest(
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// "xToY at 0.0",
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// T.xToY(0., discrete),
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// {discrete: 0.0, continuous: 0.0},
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// );
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// makeTest(
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// "xToY at 5.0",
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// T.xToY(5., discrete),
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// {discrete: 0.0, continuous: 0.0},
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// );
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// makeTest(
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// "scaleBy",
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// scaleBy(~scale=4.0, discrete),
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// make({xs: [|1., 4., 8.|], ys: [|1.2, 2.0, 0.8|]}, None),
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// );
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// makeTest(
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// "normalize, then scale by 4.0",
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// discrete
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// |> T.normalize
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// |> scaleBy(~scale=4.0),
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// make({xs: [|1., 4., 8.|], ys: [|1.2, 2.0, 0.8|]}, None),
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// );
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// makeTest(
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// "scaleToIntegralSum: back and forth",
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// discrete
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// |> T.normalize
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// |> scaleBy(~scale=4.0)
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// |> T.normalize,
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// discrete,
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// );
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// makeTest(
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// "integral",
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// T.Integral.get(~cache=None, discrete),
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// Distributions.Continuous.make(
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// `Stepwise,
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// {xs: [|1., 4., 8.|], ys: [|0.3, 0.8, 1.0|]},
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// None
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// ),
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// );
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// makeTest(
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// "integral with 1 element",
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// T.Integral.get(~cache=None, Distributions.Discrete.make({xs: [|0.0|], ys: [|1.0|]}, None)),
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// Distributions.Continuous.make(`Stepwise, {xs: [|0.0|], ys: [|1.0|]}, None),
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// );
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// makeTest(
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// "integralXToY",
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// T.Integral.xToY(~cache=None, 6.0, discrete),
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// 0.9,
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// );
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// makeTest("integralEndY", T.Integral.sum(~cache=None, discrete), 1.0);
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// makeTest("mean", T.mean(discrete), 3.9);
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// makeTestCloseEquality(
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// "variance",
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// T.variance(discrete),
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// 5.89,
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// ~digits=7,
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// );
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// });
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2020-02-24 11:11:03 +00:00
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2020-07-08 15:52:41 +00:00
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// describe("Mixed", () => {
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// open Distributions.Mixed;
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// let discreteShape: DistTypes.xyShape = {
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// xs: [|1., 4., 8.|],
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// ys: [|0.3, 0.5, 0.2|],
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// };
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// let discrete = Distributions.Discrete.make(discreteShape, None);
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// let continuous =
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// Distributions.Continuous.make(
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// `Linear,
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// {xs: [|3., 7., 14.|], ys: [|0.058, 0.082, 0.124|]},
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// None
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// )
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// |> Distributions.Continuous.T.normalize; //scaleToIntegralSum(~intendedSum=1.0);
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// let mixed = Distributions.Mixed.make(
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// ~continuous,
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// ~discrete,
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// );
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// makeTest("minX", T.minX(mixed), 1.0);
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// makeTest("maxX", T.maxX(mixed), 14.0);
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// makeTest(
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// "mapY",
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// T.mapY(r => r *. 2.0, mixed),
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// Distributions.Mixed.make(
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// ~continuous=
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// Distributions.Continuous.make(
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// `Linear,
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// {
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// xs: [|3., 7., 14.|],
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// ys: [|
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// 0.11588411588411589,
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// 0.16383616383616384,
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// 0.24775224775224775,
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// |],
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// },
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// None
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// ),
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// ~discrete=Distributions.Discrete.make({xs: [|1., 4., 8.|], ys: [|0.6, 1.0, 0.4|]}, None)
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// ),
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// );
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// makeTest(
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// "xToY at 4.0",
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// T.xToY(4., mixed),
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// {discrete: 0.25, continuous: 0.03196803196803197},
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// );
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// makeTest(
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// "xToY at 0.0",
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// T.xToY(0., mixed),
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// {discrete: 0.0, continuous: 0.028971028971028972},
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// );
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// makeTest(
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// "xToY at 5.0",
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// T.xToY(7., mixed),
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// {discrete: 0.0, continuous: 0.04095904095904096},
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// );
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// makeTest("integralEndY", T.Integral.sum(~cache=None, mixed), 1.0);
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// makeTest(
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// "scaleBy",
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// Distributions.Mixed.scaleBy(~scale=2.0, mixed),
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// Distributions.Mixed.make(
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// ~continuous=
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// Distributions.Continuous.make(
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// `Linear,
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// {
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// xs: [|3., 7., 14.|],
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// ys: [|
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// 0.11588411588411589,
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// 0.16383616383616384,
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// 0.24775224775224775,
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// |],
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// },
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// None
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// ),
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// ~discrete=Distributions.Discrete.make({xs: [|1., 4., 8.|], ys: [|0.6, 1.0, 0.4|]}, None),
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// ),
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// );
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// makeTest(
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// "integral",
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// T.Integral.get(~cache=None, mixed),
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// Distributions.Continuous.make(
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// `Linear,
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// {
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// xs: [|1.00007, 1.00007, 3., 4., 4.00007, 7., 8., 8.00007, 14.|],
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// ys: [|
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// 0.0,
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// 0.0,
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// 0.15,
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// 0.18496503496503497,
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// 0.4349674825174825,
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// 0.5398601398601399,
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// 0.5913086913086913,
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// 0.6913122927072927,
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// 1.0,
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// |],
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// },
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// None,
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// ),
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// );
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// });
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2020-02-24 21:01:29 +00:00
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2020-07-08 15:52:41 +00:00
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// describe("Distplus", () => {
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// open DistPlus;
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// let discreteShape: DistTypes.xyShape = {
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// xs: [|1., 4., 8.|],
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// ys: [|0.3, 0.5, 0.2|],
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// };
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// let discrete = Distributions.Discrete.make(discreteShape, None);
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// let continuous =
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// Distributions.Continuous.make(
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// `Linear,
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// {xs: [|3., 7., 14.|], ys: [|0.058, 0.082, 0.124|]},
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// None
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// )
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// |> Distributions.Continuous.T.normalize; //scaleToIntegralSum(~intendedSum=1.0);
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// let mixed =
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// Distributions.Mixed.make(
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// ~continuous,
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// ~discrete,
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// );
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// let distPlus =
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// DistPlus.make(
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// ~shape=Mixed(mixed),
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// ~guesstimatorString=None,
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// (),
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// );
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// makeTest("minX", T.minX(distPlus), 1.0);
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// makeTest("maxX", T.maxX(distPlus), 14.0);
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// makeTest(
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// "xToY at 4.0",
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// T.xToY(4., distPlus),
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// {discrete: 0.25, continuous: 0.03196803196803197},
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// );
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// makeTest(
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// "xToY at 0.0",
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// T.xToY(0., distPlus),
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// {discrete: 0.0, continuous: 0.028971028971028972},
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// );
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// makeTest(
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// "xToY at 5.0",
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// T.xToY(7., distPlus),
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// {discrete: 0.0, continuous: 0.04095904095904096},
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// );
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|
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// makeTest("integralEndY", T.Integral.sum(~cache=None, distPlus), 1.0);
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|
// makeTest(
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|
// "integral",
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|
// T.Integral.get(~cache=None, distPlus) |> T.toContinuous,
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|
|
// Some(
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|
// Distributions.Continuous.make(
|
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|
|
// `Linear,
|
|
|
|
// {
|
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|
|
// xs: [|1.00007, 1.00007, 3., 4., 4.00007, 7., 8., 8.00007, 14.|],
|
|
|
|
// ys: [|
|
|
|
|
// 0.0,
|
|
|
|
// 0.0,
|
|
|
|
// 0.15,
|
|
|
|
// 0.18496503496503497,
|
|
|
|
// 0.4349674825174825,
|
|
|
|
// 0.5398601398601399,
|
|
|
|
// 0.5913086913086913,
|
|
|
|
// 0.6913122927072927,
|
|
|
|
// 1.0,
|
|
|
|
// |],
|
|
|
|
// },
|
|
|
|
// None,
|
|
|
|
// ),
|
|
|
|
// ),
|
|
|
|
// );
|
|
|
|
// });
|
2020-04-18 21:20:59 +00:00
|
|
|
|
2020-07-08 15:52:41 +00:00
|
|
|
// describe("Shape", () => {
|
|
|
|
// let mean = 10.0;
|
|
|
|
// let stdev = 4.0;
|
|
|
|
// let variance = stdev ** 2.0;
|
|
|
|
// let numSamples = 10000;
|
|
|
|
// open Distributions.Shape;
|
|
|
|
// let normal: SymbolicTypes.symbolicDist = `Normal({mean, stdev});
|
|
|
|
// let normalShape = ExpressionTree.toShape(numSamples, `SymbolicDist(normal));
|
|
|
|
// let lognormal = SymbolicDist.Lognormal.fromMeanAndStdev(mean, stdev);
|
|
|
|
// let lognormalShape = ExpressionTree.toShape(numSamples, `SymbolicDist(lognormal));
|
2020-04-18 21:20:59 +00:00
|
|
|
|
2020-07-08 15:52:41 +00:00
|
|
|
// makeTestCloseEquality(
|
|
|
|
// "Mean of a normal",
|
|
|
|
// T.mean(normalShape),
|
|
|
|
// mean,
|
|
|
|
// ~digits=2,
|
|
|
|
// );
|
|
|
|
// makeTestCloseEquality(
|
|
|
|
// "Variance of a normal",
|
|
|
|
// T.variance(normalShape),
|
|
|
|
// variance,
|
|
|
|
// ~digits=1,
|
|
|
|
// );
|
|
|
|
// makeTestCloseEquality(
|
|
|
|
// "Mean of a lognormal",
|
|
|
|
// T.mean(lognormalShape),
|
|
|
|
// mean,
|
|
|
|
// ~digits=2,
|
|
|
|
// );
|
|
|
|
// makeTestCloseEquality(
|
|
|
|
// "Variance of a lognormal",
|
|
|
|
// T.variance(lognormalShape),
|
|
|
|
// variance,
|
|
|
|
// ~digits=0,
|
|
|
|
// );
|
|
|
|
// });
|
|
|
|
// });
|