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[init] now returns normalized values

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mzwiessele 2014-05-13 08:33:26 +01:00
parent 4f627c904f
commit 4b1577178c
1 changed files with 7 additions and 3 deletions
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10
GPy/util/initialization.py
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@ -13,7 +13,11 @@ def initialize_latent(init, input_dim, Y):
p = pca(Y) p = pca(Y)
PC = p.project(Y, min(input_dim, Y.shape[1])) PC = p.project(Y, min(input_dim, Y.shape[1]))
Xr[:PC.shape[0], :PC.shape[1]] = PC Xr[:PC.shape[0], :PC.shape[1]] = PC
vars = p.fracs[:input_dim]
else: else:
var = Xr.var(0) vars = Xr.var(0)
return Xr, var/var.max()
return Xr, p.fracs[:input_dim] Xr -= Xr.mean(0)
Xr /= Xr.var(0)
return Xr, vars/vars.max()