def test_bivariate_optimise():
w_spams = FistaFlat(**{
"intercept": True,
"loss":"square",
"regul":"l1"
})
u_spams = FistaFlat(**{
"intercept": True,
"loss":"square",
"regul":"l1"
})
learner = BatchBivariateLearner(w_spams,u_spams)
gen = RandomBiGen()
ndays = 20
Xt,Y = gen.generate(n=ndays)
Xt = vstack(Xt)
Y = vstack(Y)
folds = [x for x in tscv.tsfi(ndays,ntest=2)]
lrng = np.arange(0.1,1,0.1)
fold = folds[0]
X = ssp.csc_matrix(Xt.transpose())
Xparts,Yparts = BatchBivariateLearner.XYparts(fold,X,Y)
learner.optimise_lambda(lrng,lrng,Yparts,Xparts)
print w_spams.params
print u_spams.params
def test_bivariate_model():
spamsDict = {"lambda1": 0.01, "intercept": True}
spamsDict["loss"] = "square"
spamsDict["regul"] = "l1"
w_spams = FistaFlat(**spamsDict)
u_spams = FistaFlat(**spamsDict)
learner = BatchBivariateLearner(w_spams, u_spams)
gen = RandomBiGen()
ndays = 4
Xt, Y = gen.generate(n=ndays)
Xt = vstack(Xt)
Y = vstack(Y)
learner.process(Y, Xt=ssp.csc_matrix(Xt))
def test_bivariate_model():
w_func = FistaFlat(
**{
"intercept": True,
"loss": "square",
"regul": "l1l2",
"it0": 50,
"max_it": 1000,
"verbose": True
})
u_func = FistaFlat(
**{
"intercept": True,
"loss": "square",
"regul": "l1l2",
"it0": 50,
"max_it": 1000,
"verbose": True
})
learner = BatchBivariateLearner(w_func, u_func, **spamsDict)
gen = RandomBiGen(noise=0.01)
allX = []
allY = []
for i in range(1000):
X, Y = gen.generate()
allX += [X]
allY += [Y]
X = hstack(allX)
Y = vstack(allY)
# learner.process(Y,X)
print X.shape
print Y.shape
def test_bivariate_model():
spamsDict = {
"lambda1": 0.01,
"intercept": True
}
spamsDict["loss"] = "square"
spamsDict["regul"] = "l1"
w_spams = FistaFlat(**spamsDict)
u_spams = FistaFlat(**spamsDict)
learner = BatchBivariateLearner(w_spams,u_spams)
gen = RandomBiGen()
ndays = 4
Xt,Y = gen.generate(n=ndays)
Xt = vstack(Xt)
Y = vstack(Y)
learner.process(Y,Xt=ssp.csc_matrix(Xt))
def test_bivariate_optimise():
w_spams = FistaFlat(**{"intercept": True, "loss": "square", "regul": "l1"})
u_spams = FistaFlat(**{"intercept": True, "loss": "square", "regul": "l1"})
learner = BatchBivariateLearner(w_spams, u_spams)
gen = RandomBiGen()
ndays = 20
Xt, Y = gen.generate(n=ndays)
Xt = vstack(Xt)
Y = vstack(Y)
folds = [x for x in tscv.tsfi(ndays, ntest=2)]
lrng = np.arange(0.1, 1, 0.1)
fold = folds[0]
X = ssp.csc_matrix(Xt.transpose())
Xparts, Yparts = BatchBivariateLearner.XYparts(fold, X, Y)
learner.optimise_lambda(lrng, lrng, Yparts, Xparts)
print w_spams.params
print u_spams.params
})
u_spams = FistaFlat(**{
"intercept": True,
"loss":"square",
"regul":"elastic-net",
"max_it":1000,
"lambda2":0.5,
"lambda1":0.3
})
es.exp("randomExp",fake=False)
es.state("random")
gen = randomgen.RandomBiGen(noise=0.01,brng=(100,1000),ntasks=1,wu_sparcity=0.6,wrng=(2,3),urng=(2,3),nusers=100,nwords=400)
x,y = gen.generate(n=1000)
x = ssp.csc_matrix(vstack(x).T)
y = array(y)
fold = [f for f in tscv.tsfi(y.shape[0],ntest=100,ntraining=900)][0]
Xparts,Yparts = BatchBivariateLearner.XYparts(fold,x,y)
learner = BatchBivariateLearner(w_spams,u_spams,bivar_max_it=10)
learner.process(Yparts.train_all,Xparts.train_all,tests={"test":(Xparts.test,Yparts.test)})
print learner.w.todense()
print gen._w
print learner.u.todense()
print gen._u
print learner.w_bias
print learner.u_bias
print gen._bias
embed()
def experiment(o):
logger.info("Reading initial data")
start = o["start"];ndays = o["ndays"];end = start + ndays
folds = tscv.tsfi(ndays,ntest=o['f_ntest'],nvalidation=o['f_nval'],ntraining=o['f_ntrain'])
tasks = billdata.taskvals(o["task_file"])
ndays_total = tasks.yvalues.shape[0]
if o["user_file_corrected"] is None or not os.path.exists(o["user_file_corrected"]):
logger.info("...Loading and correcting from source")
if "voc_file" in o and not o["word_subsample"] < 1:
logger.info("...Reading vocabulary")
voc = billdata.voc(o["voc_file"]).voc()
# voc = None
else:
voc = None
logger.info("...Reading user days")
user_col, word_col = billdata.suserdayword(
o["user_file"],ndays_total,
nwords=billdata.count_cols_h5(o["word_file"])
).mat(
days=(start,end),
voc=voc
)
if o["user_file_corrected"] is not None:
logger.info("...Saving corrected user_mat")
sio.savemat(o["user_file_corrected"],{"data":user_col.data,"indices":user_col.indices,"indptr":user_col.indptr,"shape":user_col.shape})
else:
logger.info("...Loading corrected user_mat")
# csc_matrix((data, indices, indptr), [shape=(M, N)])
user_col_d = sio.loadmat(o["user_file_corrected"])
user_col = ssp.csc_matrix((user_col_d["data"][:,0],user_col_d["indices"][:,0],user_col_d["indptr"][:,0]),shape=user_col_d["shape"])
logger.info("...User Col read, dimensions: %s"%str(user_col.shape))
logger.info("...Reading task data")
tasks = tasks.mat(days=(start,end),cols=[3,4,5])
logger.info("...Reading tree file")
tree = billdata.tree(o["tree_file"]).spamsobj()
if o["word_subsample"] < 1 or o["user_subsample"] < 1:
user_col=billdata.subsample(user_col,word_subsample=o["word_subsample"],user_subsample=o["user_subsample"],ndays=ndays)
# At this point we've just loaded all the data
# Prepare the optimisation functions
u_lambdas = [float(x) for x in o['u_lambdas_str'].split(",")]
w_lambdas = [float(x) for x in o['w_lambdas_str'].split(",")]
u_lambdas = np.arange(*u_lambdas)
w_lambdas = np.arange(*w_lambdas)
spams_avail = {
"tree":FistaTree(tree,**{
"intercept": True,
"loss":"square",
"regul":"multi-task-tree",
"it0":10,
"lambda2":1000,
"max_it":1000,
"verbose":True
}),
"treecheck":FistaTree(tree,**{
"intercept": True,
"loss":"square",
"regul":"multi-task-tree",
"it0":10,
"max_it":100,
"lambda2":1000,
"verbose":True
}),
"flatcheck":FistaFlat(**{
"intercept": True,
"loss":"square",
"regul":"l1l2",
"it0":50,
"max_it":100,
"verbose":True
}),
"flat":FistaFlat(**{
"intercept": True,
"loss":"square",
"regul":"l1l2",
"it0":50,
"max_it":1000,
"verbose":True
})
}
w_spams = copy.deepcopy(spams_avail[o["w_spams"]])
u_spams = copy.deepcopy(spams_avail[o["u_spams"]])
lambda_set = False
if o["lambda_file"] is not None and os.path.exists(o["lambda_file"]):
logger.info("... loading existing lambda")
lambda_d = sio.loadmat(o["lambda_file"])
w_spams.params["lambda1"] = lambda_d["w_lambda"][0][0]
u_spams.params["lambda1"] = lambda_d["u_lambda"][0][0]
lambda_set = True
# Prepare the learner
learner = BatchBivariateLearner(w_spams,u_spams,bivar_max_it=o["bivar_max_it"])
fold_i = 0
es.exp(os.sep.join([o['exp_out'],"ds:politics_word:l1_user:l1_task:multi"]),fake=False)
# Go through the folds!
for fold in folds:
es.state("fold_%d"%fold_i)
logger.info("Working on fold: %d"%fold_i)
logger.info("... preparing fold parts")
Xparts,Yparts = BatchBivariateLearner.XYparts(fold,user_col,tasks)
if not o["optimise_lambda_once"] or (o["optimise_lambda_once"] and not lambda_set):
logger.debug("... Setting max it to optimisation mode: %d"%o["opt_maxit"])
w_spams.params["max_it"] = o["opt_maxit"]
u_spams.params["max_it"] = o["opt_maxit"]
logger.info("... optimising fold lambda")
ulambda,wlambda = learner.optimise_lambda(
w_lambdas,u_lambdas,Yparts,Xparts,
w_lambda=o["w_lambda"],u_lambda=o["u_lambda"]
)
lambda_set = True
if o["lambda_file"] is not None:
logger.info("... saving optimised lambdas")
sio.savemat(o["lambda_file"],{"w_lambda":wlambda[1],"u_lambda":ulambda[1]})
logger.info("... training fold")
logger.debug("... Setting max it to training mode: %d"%o["train_maxit"])
w_spams.params["max_it"] = o["train_maxit"]
u_spams.params["max_it"] = o["train_maxit"]
learner.process(
Yparts.train_all,Xparts.train_all,
tests={
"test":(Xparts.test,Yparts.test),
"val_it":(Xparts.val_it,Yparts.val_it)
}
)
es.add(locals(),"fold_i","w_lambdas","u_lambdas","fold","Yparts","o")
es.state()["w_spams_params"] = w_spams.params
es.state()["u_spams_params"] = u_spams.params
logger.info("... Saving output")
es.flush()
fold_i += 1
if o["f_maxiter"] is not None and fold_i >= o["f_maxiter"]: break
"loss": "square",
"regul": "l1",
"it0": 10,
"max_it": 1000
})
u_spams = FistaFlat(
**{
"intercept": True,
"loss": "square",
"regul": "elastic-net",
"max_it": 1000,
"lambda2": 0.5
})
# Prepare the learner
learner = BatchBivariateLearner(w_spams, u_spams)
fold_i = 0
es.exp("%s/Experiments/EMNLP2013/ds:politics_word:l1_user:l1_task:multi" %
home)
# Go through the folds!
for fold in folds:
es.state("fold_%d" % fold_i)
logger.info("Working on fold: %d" % fold_i)
logger.info("... preparing fold parts")
Xparts, Yparts = BatchBivariateLearner.XYparts(fold, user_col, tasks)
logger.info("... optimising fold lambda")
learner.optimise_lambda(w_lambdas, u_lambdas, Yparts, Xparts)
logger.info("... training fold")
learner.process(Yparts.train_all,
Xparts.train_all,
tests={
es.exp("randomExp", fake=False)
es.state("random")
gen = randomgen.RandomBiGen(noise=0.01,
brng=(100, 1000),
ntasks=1,
wu_sparcity=0.6,
wrng=(2, 3),
urng=(2, 3),
nusers=100,
nwords=400)
x, y = gen.generate(n=1000)
x = ssp.csc_matrix(vstack(x).T)
y = array(y)
fold = [f for f in tscv.tsfi(y.shape[0], ntest=100, ntraining=900)][0]
Xparts, Yparts = BatchBivariateLearner.XYparts(fold, x, y)
learner = BatchBivariateLearner(w_spams, u_spams, bivar_max_it=10)
learner.process(Yparts.train_all,
Xparts.train_all,
tests={"test": (Xparts.test, Yparts.test)})
print learner.w.todense()
print gen._w
print learner.u.todense()
print gen._u
print learner.w_bias
print learner.u_bias
print gen._bias
embed()
import scipy.sparse as ssp
import sys
if len(sys.argv[1:]) != 4:
nusers = 10
nwords = 20
ntasks = 1
ndays = 3
else:
(nusers, nwords, ntasks, ndays) = [int(x) for x in sys.argv[1:]]
print ""
W = np.asfortranarray(zeros((nwords,ntasks)))
U = ssp.csc_matrix(ones((nusers,ntasks)))
X = ssp.rand(nwords,nusers*ndays,format="csc")
Y = np.asfortranarray(rand(ndays,ntasks))
Y = BatchBivariateLearner._expandY(Y)
logger.debug("Input created!")
def cols_for_day(day):
return slice(day * nusers, (day+1) * nusers)
logger.debug("Creating Vprime!")
Vprime = BatchBivariateLearner._calculateVprime(X,U)
logger.debug("Calculating W")
W = spams.fistaFlat(Y,Vprime,W,False,loss="square",regul="l1",lambda1=0.01)
W = ssp.csc_matrix(W)
logger.debug("Creating DPrime")
Dprime = BatchBivariateLearner._calculateDprime(X,W,U.shape)
U = np.asfortranarray(zeros((nusers,ntasks)))
logger.debug("Calculating U")
U = spams.fistaFlat(Y,Dprime,U,False,loss="square",regul="l1",lambda1=0.01)
import scipy.sparse as ssp
import sys
if len(sys.argv[1:]) != 4:
nusers = 10
nwords = 20
ntasks = 1
ndays = 3
else:
(nusers, nwords, ntasks, ndays) = [int(x) for x in sys.argv[1:]]
print ""
W = np.asfortranarray(zeros((nwords, ntasks)))
U = ssp.csc_matrix(ones((nusers, ntasks)))
X = ssp.rand(nwords, nusers * ndays, format="csc")
Y = np.asfortranarray(rand(ndays, ntasks))
Y = BatchBivariateLearner._expandY(Y)
logger.debug("Input created!")
def cols_for_day(day):
return slice(day * nusers, (day + 1) * nusers)
logger.debug("Creating Vprime!")
Vprime = BatchBivariateLearner._calculateVprime(X, U)
logger.debug("Calculating W")
W = spams.fistaFlat(Y,
Vprime,
W,
False,
"intercept": True,
"loss":"square",
"regul":"l1",
"it0":10,
"max_it":1000
})
u_spams = FistaFlat(**{
"intercept": True,
"loss":"square",
"regul":"elastic-net",
"max_it":1000,
"lambda2":0.5
})
# Prepare the learner
learner = BatchBivariateLearner(w_spams,u_spams)
fold_i = 0
es.exp("%s/Experiments/EMNLP2013/ds:politics_word:l1_user:l1_task:multi"%home)
# Go through the folds!
for fold in folds:
es.state("fold_%d"%fold_i)
logger.info("Working on fold: %d"%fold_i)
logger.info("... preparing fold parts")
Xparts,Yparts = BatchBivariateLearner.XYparts(fold,user_col,tasks)
logger.info("... optimising fold lambda")
learner.optimise_lambda(w_lambdas,u_lambdas,Yparts,Xparts)
logger.info("... training fold")
learner.process(Yparts.train_all,Xparts.train_all,tests={"test":(Xparts.test,Yparts.test),"val_it":(Xparts.val_it,Yparts.val_it)})
es.add(locals(),"fold_i","w_lambdas","u_lambdas","fold","Yparts")
es.state()["w_spams_params"] = w_spams.params
es.state()["u_spams_params"] = u_spams.params
