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Set the default predicted value at the beginning of the fit in CLUES #755

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Jan 14, 2024
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Set the default predicted value at the beginning of the fit in CLUES #755

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2 changes: 1 addition & 1 deletion lib/model/clues.js
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Original file line number Diff line number Diff line change
Expand Up @@ -40,7 +40,7 @@ export default class CLUES {
const T = Math.max(1, Math.round(this._alpha * n))
let smax = -Infinity

let clusters_star = null
let clusters_star = Array(n).fill(0)
let g_star = Infinity
let y = datas
for (let t = 1; t <= T; t++) {
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13 changes: 13 additions & 0 deletions tests/lib/model/clues.test.js
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Expand Up @@ -42,4 +42,17 @@ describe('clustering', () => {
const ri = randIndex(y, t)
expect(ri).toBeGreaterThan(0.9)
})

test('small data', () => {
const model = new CLUES(0.8)
const x = Matrix.random(5, 2, -0.1, 0.1).toArray()

model.fit(x)
const y = model.predict()
expect(y).toHaveLength(x.length)
expect(model.size).toBe(1)
for (let i = 0; i < y.length; i++) {
expect(y[i]).toBe(0)
}
})
})