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Added test for Alpha Dropout #2367

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Added test for Alpha Dropout #2367

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8285d3f
Added test for Alpha Dropout
Bhavay-2001 Dec 30, 2023
2125a95
Added additional tests for AlphaDropout
Bhavay-2001 Dec 31, 2023
cb8317b
Changed normalisation.jl
Bhavay-2001 Jan 4, 2024
82cdf42
Delete test/dropout.jl
Bhavay-2001 Jan 6, 2024
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7 changes: 7 additions & 0 deletions test/layers/normalisation.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -88,12 +88,19 @@ end

x = randn(1000) # large enough to prevent flaky test
m = AlphaDropout(0.5; rng_kwargs...)
q = 0.5
u = mean(x)
α′ = -1.7580993408473766

y = evalwgrad(m, x)
# Should preserve unit mean and variance
@test mean(y) ≈ 0 atol=0.2
@test var(y) ≈ 1 atol=0.2

# Should check that the mean and variance matches the formula
# E(xd + α′(1-d)) = qu + (1-q)α′
@test mean(y) ≈ (q*u) + ((1-q)*α′)

testmode!(m, true) # should override istraining
@test evalwgrad(m, x) == x

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