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Author	SHA1	Message	Date
Nicolo Fusi	e415dcdd93	GPLVM accepts an initial value for X (in case you don't want to use the default random/PCA init)	2012-12-07 15:16:52 +00:00
Nicolo Fusi	b7021261ea	now passing a reference of the model to the optimizer (used in SGD)	2012-12-07 15:15:59 +00:00
James Hensman	50029ca4a7	implemented default constraints ... via m.ensure_default_constraints()	2012-12-06 11:46:34 -08:00
James Hensman	ac84f4f34c	changed the name of GP_EP (from simple) in the unit test, added a messages option for full EP	2012-12-06 11:30:12 -08:00
James Hensman	9af637e214	changes the naming of kern components ... Kern components now only get a number if their name is duplicated	2012-12-06 11:28:04 -08:00
James Hensman	f634350398	fixed small bugs in linalg, setup.py	2012-12-06 10:16:19 -08:00
James Hensman	c72d1b1a5b	changed the behaviour of pdinv: now returns L and Li as well as the inverse	2012-12-06 09:51:13 -08:00
James Hensman	574f9f4e0a	more tidying in EP, removed examples from _module_ ( and opened discussion on github	2012-12-06 09:21:37 -08:00
James Hensman	69cc506b9e	trivial merge resolution	2012-12-06 08:49:46 -08:00
Nicolo Fusi	f2d6a8a171	fixed bug in rbf_ARD kernel (dK_dX)	2012-12-06 12:38:15 +00:00
Nicolo Fusi	fb8cfc8f34	fixed import error for examples and import error for uncertain inputs GP	2012-12-06 12:35:29 +00:00
Nicolo Fusi	a0f758bb69	Merge branch 'master' of github.com:SheffieldML/GPy	2012-12-06 12:32:39 +00:00
Nicolo Fusi	a0df883ec9	fixed bug in GP_regression	2012-12-06 12:32:31 +00:00
James Hensman	c8e2ca351d	some tidying in the EP code	2012-12-05 22:45:08 -08:00
James Hensman	20a02cc445	removed uncertain gp regression from the model __init__, since it's now ... just a switch in the sparse GP	2012-12-05 22:25:37 -08:00
Neil Lawrence	60fd1c55dc	Merge changes for model.py and optimization.py on comments.	2012-12-05 19:22:36 -08:00
Neil Lawrence	0ee11a2077	Added datasets.py back in and minor changes.	2012-12-05 19:19:15 -08:00
James Hensman	c003b2f34d	Minor edits	2012-12-05 09:10:27 -08:00
James Hensman	4dcf2b85ce	models can now specify a preferred optimser (defaults to tnc)	2012-12-04 13:10:17 -08:00
James Hensman	1a9872c187	Some tidying in the uncollapsed GP	2012-12-03 10:53:37 -08:00
James Hensman	5f22bd00e6	made uncertain inputs a simple swith in the sparse GP class. This simplifies the inherritance structure	2012-12-03 18:35:05 +00:00
James Hensman	b1c2282bfc	Merge branch 'master' of github.com:SheffieldML/GPy	2012-12-03 16:38:12 +00:00
Nicolas	049de98d3b	rbf_ARD now in the updated format for the computation of the derivatives (included for the psi-statistics, but not tested)	2012-12-03 11:26:10 +00:00
Nicolas	908b1d2801	Merge branch 'master' of github.com:SheffieldML/GPy	2012-12-03 10:26:53 +00:00
Nicolas	3edd867ece	GPy: Some rewriting for the exponential and Matern kernels. They now pass the unit test.	2012-12-03 10:26:28 +00:00
Nicolo Fusi	2db9e7bb57	Merge branch 'master' of github.com:SheffieldML/GPy	2012-12-03 10:08:25 +00:00
Nicolo Fusi	8b73dafbae	added precomputation of linear kernel, changed the logic a bit	2012-12-03 10:08:12 +00:00
James Hensman	a5b90fa541	Added a skeleton of the uncollapsed sparse GP	2012-12-02 15:50:16 +00:00
James Hensman	c4761bedf5	minor commenting	2012-12-02 15:12:14 +00:00
James Hensman	1d8104bcc2	general tidying in sparse_GP_regression ... Have also made a small ampount of headway in enabling heteroscedatic noise.	2012-12-02 13:40:19 +00:00
James Hensman	365d069ae8	saved a little computation by exploiting the symmetry of a matrix	2012-12-02 12:35:54 +00:00
James Hensman	1c60e50fed	I think the gradients bug in the sparse GP model is due to Kmm being unstable to invert. REducing M in some of the examples really helps	2012-12-02 12:32:20 +00:00
Nicolas	d71ad99db9	derivatives of the exponential kernel in the right format	2012-11-30 17:39:04 +00:00
James Hensman	fb21a3589b	added sympykern as a 'kernpart' object. ... now we can add sympykerns to any other kern	2012-11-30 17:32:32 +00:00
Nicolo Fusi	46754db658	fixed bug in linear_ARD	2012-11-30 16:57:48 +00:00
Nicolo Fusi	cf6332d164	Merge branch 'master' of github.com:SheffieldML/GPy	2012-11-30 16:11:35 +00:00
Nicolo Fusi	cb5a2c2353	added support for partial derivatives to ARD kern	2012-11-30 16:11:25 +00:00
James Hensman	881b8a2d9d	added vim's swp files to gitignore	2012-11-30 15:50:32 +00:00
James Hensman	207e12fd7f	demo for GP regressio with uncertain inputs	2012-11-30 15:49:47 +00:00
James Hensman	6d0a7afd4c	bias kernel psi stats implemented.	2012-11-30 15:49:20 +00:00
James Hensman	cd22c96e00	new file: uncertain_input_GP_regression.py	2012-11-30 14:04:40 +00:00
James Hensman	821701142a	tidied up some commented code from sparse_GP_regression	2012-11-30 12:43:14 +00:00
James Hensman	31b7a0520e	sparseGPLVM demo now working	2012-11-30 11:59:22 +00:00
James Hensman	ba84a43ea3	sparse GP regression now working on this branch	2012-11-30 11:47:35 +00:00
James Hensman	5ba2099ee9	fixed bias kern for dk_dx	2012-11-30 11:23:22 +00:00
James Hensman	cc98c6f507	fixed some slicing in kern.py	2012-11-30 11:21:23 +00:00
James Hensman	411cd80cdc	refactored the kernpart base class	2012-11-30 11:11:40 +00:00
James Hensman	78d1abfc22	GP_regression demo working with new style gradients for rbf, linear, white, bias	2012-11-30 11:04:14 +00:00
James Hensman	5f92ff6785	GPLVM demo working	2012-11-30 10:31:02 +00:00
James Hensman	4b4f1da128	very basic GP_regression demo is working	2012-11-30 09:11:46 +00:00