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Bugfixes in data.artificial.SignalEmulator

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This commit is contained in:
Petrônio Cândido 2019-02-20 20:29:34 -03:00
parent 88bf591dc1
commit 6e4dcf3d90
2 changed files with 35 additions and 9 deletions
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33
pyFTS/data/artificial.py
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@ -164,12 +164,16 @@ def _append(additive, start, before, new):
for k in range(start):
new.insert(0,0)
l = len(before)
l1 = len(before)
l2 = len(new)
if l2 < l1:
new.extend(np.zeros(l1 - l2).tolist())
if len(before) == 0:
tmp = np.array(new)
else:
tmp = np.array(before) + np.array(new[:l])
tmp = np.array(before) + np.array(new)
return tmp.tolist()
@ -198,6 +202,7 @@ class SignalEmulator(object):
parameters = {'mu': mu, 'sigma': sigma}
self.components.append({'dist': 'gaussian', 'type': 'constant',
'parameters': parameters, 'args': kwargs})
return self
def incremental_gaussian(self, mu, sigma, **kwargs):
"""
@ -216,6 +221,7 @@ class SignalEmulator(object):
parameters = {'mu': mu, 'sigma': sigma}
self.components.append({'dist': 'gaussian', 'type': 'incremental',
'parameters': parameters, 'args': kwargs})
return self
def periodic_gaussian(self, type, period, mu_min, sigma_min, mu_max, sigma_max, **kwargs):
"""
@ -235,15 +241,19 @@ class SignalEmulator(object):
'mu_min': mu_min, 'sigma_min': sigma_min, 'mu_max': mu_max, 'sigma_max': sigma_max}
self.components.append({'dist': 'gaussian', 'type': 'periodic',
'parameters': parameters, 'args': kwargs})
return self
def blip(self, intensity, **kwargs):
def blip(self, **kwargs):
"""
:param intensity:
:param kwargs:
:return:
"""
self.components.append({'dist': 'blip', 'type': 'blip', 'parameters': [intensity, kwargs]})
parameters = {}
self.components.append({'dist': 'blip', 'type': 'blip',
'parameters': parameters, 'args':kwargs})
return self
def run(self):
signal = []
@ -275,6 +285,21 @@ class SignalEmulator(object):
else:
tmp = generate_linear_periodic_gaussian(period, mu_min, sigma_min, mu_max, sigma_max,
it=num, num=1, vmin=vmin, vmax=vmax)
elif component['type'] == 'blip':
_mx = np.nanmax(signal)
_mn = np.nanmin(signal)
_mx += 2*_mx if _mx > 0 else -2*_mx
_mn += -2*_mn if _mn > 0 else 2*_mn
if vmax is not None:
_mx = min(_mx, vmax) if vmax > 0 else max(_mx, vmax)
if vmin is not None:
_mn = max(_mn, vmin) if vmin > 0 else min(_mn, vmin)
start = np.random.randint(0, len(signal))
tmp = [_mx] if np.random.rand() >= .5 else [-_mn]
last_num = num
last_it = it

11
pyFTS/tests/general.py
View File

@ -16,9 +16,10 @@ from pyFTS.common import Transformations, Membership
from pyFTS.data import artificial
cd = artificial.SignalEmulator()
cd.stationary_gaussian(1,.2,length=10, it=1)
cd.incremental_gaussian(0.5, 0,start=5,length=5)
#cd.stationary_gaussian(3,.2,length=10, it=1, additive=True)
print(len(cd.run()))
cd = artificial.SignalEmulator()\
.stationary_gaussian(0,.2,length=10, it=1)\
.incremental_gaussian(0.5, 0,start=5,length=5)\
.blip()\
.stationary_gaussian(3,.2,length=10, it=1, additive=False)
print([round(k,3) for k in cd.run()])