def test_cpp_het(self):
# testing output with generic inputs
A = [0, .9, .1]
t_stop = 10 * 1000 * ms
t_start = 5 * 1000 * ms
rate = [3, 4] * Hz
cpp_het = stgen.cpp(rate, A, t_stop, t_start=t_start)
# testing the ouput formats
self.assertEqual([type(train) for train in cpp_het],
[neo.SpikeTrain] * len(cpp_het))
self.assertEqual(cpp_het[0].simplified.units, 1000 * ms)
self.assertEqual(type(cpp_het), list)
# testing units
self.assertEqual([train.simplified.units for train in cpp_het],
[1000 * ms] * len(cpp_het))
# testing output t_start and t_stop
for st in cpp_het:
self.assertEqual(st.t_stop, t_stop)
self.assertEqual(st.t_start, t_start)
# testing the number of output spiketrains
self.assertEqual(len(cpp_het), len(A) - 1)
self.assertEqual(len(cpp_het), len(rate))
# testing the units
A = [0, 0.9, 0.1]
t_stop = 10000 * ms
t_start = 5 * 1000 * ms
rate = [3, 4] * Hz
cpp_unit = stgen.cpp(rate, A, t_stop, t_start=t_start)
self.assertEqual(cpp_unit[0].units, t_stop.units)
self.assertEqual(cpp_unit[0].t_stop.units, t_stop.units)
self.assertEqual(cpp_unit[0].t_start.units, t_stop.units)
# testing without copying any spikes
A = [1, 0, 0]
t_stop = 10 * 1000 * ms
t_start = 5 * 1000 * ms
rate = [3, 4] * Hz
cpp_het_empty = stgen.cpp(rate, A, t_stop, t_start=t_start)
self.assertEqual(len(cpp_het_empty[0]), 0)
# testing output with rate equal to 0
A = [0, .9, .1]
t_stop = 10 * 1000 * ms
t_start = 5 * 1000 * ms
rate = [0, 0] * Hz
cpp_het_empty_r = stgen.cpp(rate, A, t_stop, t_start=t_start)
self.assertEqual([len(train) for train in cpp_het_empty_r],
[0] * len(cpp_het_empty_r))
# testing completely sync spiketrains
A = [0, 0, 1]
t_stop = 10 * 1000 * ms
t_start = 5 * 1000 * ms
rate = [3, 3] * Hz
cpp_het_eq = stgen.cpp(rate, A, t_stop, t_start=t_start)
self.assertTrue(
np.allclose(cpp_het_eq[0].magnitude, cpp_het_eq[1].magnitude))
def test_cpp_hom(self):
# testing output with generic inputs
A = [0, .9, .1]
t_stop = 10 * 1000 * ms
t_start = 5 * 1000 * ms
rate = 3 * Hz
cpp_hom = stgen.cpp(rate, A, t_stop, t_start=t_start)
# testing the ouput formats
self.assertEqual([type(train) for train in cpp_hom],
[neo.SpikeTrain] * len(cpp_hom))
self.assertEqual(cpp_hom[0].simplified.units, 1000 * ms)
self.assertEqual(type(cpp_hom), list)
# testing quantities format of the output
self.assertEqual([train.simplified.units for train in cpp_hom],
[1000 * ms] * len(cpp_hom))
# testing output t_start t_stop
for st in cpp_hom:
self.assertEqual(st.t_stop, t_stop)
self.assertEqual(st.t_start, t_start)
self.assertEqual(len(cpp_hom), len(A) - 1)
# testing the units
A = [0, 0.9, 0.1]
t_stop = 10000 * ms
t_start = 5 * 1000 * ms
rate = 3 * Hz
cpp_unit = stgen.cpp(rate, A, t_stop, t_start=t_start)
self.assertEqual(cpp_unit[0].units, t_stop.units)
self.assertEqual(cpp_unit[0].t_stop.units, t_stop.units)
self.assertEqual(cpp_unit[0].t_start.units, t_stop.units)
# testing output without copy of spikes
A = [1]
t_stop = 10 * 1000 * ms
t_start = 5 * 1000 * ms
rate = 3 * Hz
cpp_hom_empty = stgen.cpp(rate, A, t_stop, t_start=t_start)
self.assertEqual([len(train) for train in cpp_hom_empty],
[0] * len(cpp_hom_empty))
# testing output with rate equal to 0
A = [0, .9, .1]
t_stop = 10 * 1000 * ms
t_start = 5 * 1000 * ms
rate = 0 * Hz
cpp_hom_empty_r = stgen.cpp(rate, A, t_stop, t_start=t_start)
self.assertEqual([len(train) for train in cpp_hom_empty_r],
[0] * len(cpp_hom_empty_r))
# testing output with same spike trains in output
A = [0, 0, 1]
t_stop = 10 * 1000 * ms
t_start = 5 * 1000 * ms
rate = 3 * Hz
cpp_hom_eq = stgen.cpp(rate, A, t_stop, t_start=t_start)
self.assertTrue(
np.allclose(cpp_hom_eq[0].magnitude, cpp_hom_eq[1].magnitude))
def test_cpp_jttered(self):
# testing output with generic inputs
amplitude_distribution = np.array([0, .9, .1])
t_stop = 10 * 1000 * pq.ms
t_start = 5 * 1000 * pq.ms
rate = 3 * pq.Hz
cpp_shift = stgen.cpp(
rate,
amplitude_distribution,
t_stop,
t_start=t_start,
shift=3 * pq.ms)
# testing the ouput formats
self.assertEqual(
[type(train) for train in cpp_shift], [neo.SpikeTrain] * len(
cpp_shift))
self.assertEqual(cpp_shift[0].simplified.units, 1000 * pq.ms)
self.assertEqual(type(cpp_shift), list)
# testing quantities format of the output
self.assertEqual(
[train.simplified.units for train in cpp_shift],
[1000 * pq.ms] * len(cpp_shift))
# testing output t_start t_stop
for spiketrain in cpp_shift:
self.assertEqual(spiketrain.t_stop, t_stop)
self.assertEqual(spiketrain.t_start, t_start)
self.assertEqual(len(cpp_shift), len(amplitude_distribution) - 1)
def test_cpp_jttered(self):
# testing output with generic inputs
A = [0, .9, .1]
t_stop = 10 * 1000 * ms
t_start = 5 * 1000 * ms
rate = 3 * Hz
cpp_shift = stgen.cpp(rate, A, t_stop, t_start=t_start, shift=3 * ms)
# testing the ouput formats
self.assertEqual([type(train) for train in cpp_shift],
[neo.SpikeTrain] * len(cpp_shift))
self.assertEqual(cpp_shift[0].simplified.units, 1000 * ms)
self.assertEqual(type(cpp_shift), list)
# testing quantities format of the output
self.assertEqual([train.simplified.units for train in cpp_shift],
[1000 * ms] * len(cpp_shift))
# testing output t_start t_stop
for st in cpp_shift:
self.assertEqual(st.t_stop, t_stop)
self.assertEqual(st.t_start, t_start)
self.assertEqual(len(cpp_shift), len(A) - 1)
def test_cpp_jttered(self):
# testing output with generic inputs
A = [0, .9, .1]
t_stop = 10 * 1000 * ms
t_start = 5 * 1000 * ms
rate = 3 * Hz
cpp_shift = stgen.cpp(
rate, A, t_stop, t_start=t_start, shift=3*ms)
# testing the ouput formats
self.assertEqual(
[type(train) for train in cpp_shift], [neo.SpikeTrain]*len(
cpp_shift))
self.assertEqual(cpp_shift[0].simplified.units, 1000 * ms)
self.assertEqual(type(cpp_shift), list)
# testing quantities format of the output
self.assertEqual(
[train.simplified.units for train in cpp_shift],
[1000 * ms]*len(cpp_shift))
# testing output t_start t_stop
for st in cpp_shift:
self.assertEqual(st.t_stop, t_stop)
self.assertEqual(st.t_start, t_start)
self.assertEqual(len(cpp_shift), len(A) - 1)
def setUp(self):
np.random.seed(0)
# Spade parameters
self.bin_size = 1 * pq.ms
self.winlen = 10
self.n_subset = 10
self.n_surr = 10
self.alpha = 0.05
self.stability_thresh = [0.1, 0.1]
self.psr_param = [0, 0, 0]
self.min_occ = 4
self.min_spikes = 4
self.max_occ = 4
self.max_spikes = 4
self.min_neu = 4
# Test data parameters
# CPP parameters
self.n_neu = 100
self.amplitude = [0] * self.n_neu + [1]
self.cpp = stg.cpp(rate=3 * pq.Hz,
amplitude_distribution=self.amplitude,
t_stop=5 * pq.s)
# Number of patterns' occurrences
self.n_occ1 = 10
self.n_occ2 = 12
self.n_occ3 = 15
# Patterns lags
self.lags1 = [2]
self.lags2 = [1, 3]
self.lags3 = [1, 2, 4, 5, 7]
# Length of the spiketrain
self.t_stop = 3000
# Patterns times
self.patt1_times = neo.SpikeTrain(
np.arange(0, 1000, 1000 // self.n_occ1) * pq.ms,
t_stop=self.t_stop * pq.ms)
self.patt2_times = neo.SpikeTrain(
np.arange(1000, 2000, 1000 // self.n_occ2)[:-1] * pq.ms,
t_stop=self.t_stop * pq.ms)
self.patt3_times = neo.SpikeTrain(
np.arange(2000, 3000, 1000 // self.n_occ3)[:-1] * pq.ms,
t_stop=self.t_stop * pq.ms)
# Patterns
self.patt1 = [self.patt1_times] + [
neo.SpikeTrain(self.patt1_times.view(pq.Quantity) + lag * pq.ms,
t_stop=self.t_stop * pq.ms) for lag in self.lags1
]
self.patt2 = [self.patt2_times] + [
neo.SpikeTrain(self.patt2_times.view(pq.Quantity) + lag * pq.ms,
t_stop=self.t_stop * pq.ms) for lag in self.lags2
]
self.patt3 = [self.patt3_times] + [
neo.SpikeTrain(self.patt3_times.view(pq.Quantity) + lag * pq.ms,
t_stop=self.t_stop * pq.ms) for lag in self.lags3
]
# Data
self.msip = self.patt1 + self.patt2 + self.patt3
# Expected results
self.n_spk1 = len(self.lags1) + 1
self.n_spk2 = len(self.lags2) + 1
self.n_spk3 = len(self.lags3) + 1
self.elements1 = list(range(self.n_spk1))
self.elements2 = list(range(self.n_spk2))
self.elements3 = list(range(self.n_spk3))
self.elements_msip = [
self.elements1,
list(range(self.n_spk1, self.n_spk1 + self.n_spk2)),
list(
range(self.n_spk1 + self.n_spk2,
self.n_spk1 + self.n_spk2 + self.n_spk3))
]
self.occ1 = np.unique(
conv.BinnedSpikeTrain(self.patt1_times,
self.bin_size).spike_indices[0])
self.occ2 = np.unique(
conv.BinnedSpikeTrain(self.patt2_times,
self.bin_size).spike_indices[0])
self.occ3 = np.unique(
conv.BinnedSpikeTrain(self.patt3_times,
self.bin_size).spike_indices[0])
self.occ_msip = [list(self.occ1), list(self.occ2), list(self.occ3)]
self.lags_msip = [self.lags1, self.lags2, self.lags3]
self.patt_psr = self.patt3 + [self.patt3[-1][:3]]
def test_cpp_het(self):
# testing output with generic inputs
A = [0, .9, .1]
t_stop = 10 * 1000 * ms
t_start = 5 * 1000 * ms
rate = [3, 4] * Hz
with warnings.catch_warnings():
warnings.simplefilter("ignore")
"""
Catch RuntimeWarning: divide by zero encountered in true_divide
mean_interval = 1 / rate.magnitude, when rate == 0 Hz.
"""
cpp_het = stgen.cpp(rate, A, t_stop, t_start=t_start)
# testing the ouput formats
self.assertEqual([type(train) for train in cpp_het],
[neo.SpikeTrain] * len(cpp_het))
self.assertEqual(cpp_het[0].simplified.units, 1000 * ms)
self.assertEqual(type(cpp_het), list)
# testing units
self.assertEqual([train.simplified.units for train in cpp_het],
[1000 * ms] * len(cpp_het))
# testing output t_start and t_stop
for st in cpp_het:
self.assertEqual(st.t_stop, t_stop)
self.assertEqual(st.t_start, t_start)
# testing the number of output spiketrains
self.assertEqual(len(cpp_het), len(A) - 1)
self.assertEqual(len(cpp_het), len(rate))
# testing the units
A = [0, 0.9, 0.1]
t_stop = 10000 * ms
t_start = 5 * 1000 * ms
rate = [3, 4] * Hz
cpp_unit = stgen.cpp(rate, A, t_stop, t_start=t_start)
self.assertEqual(cpp_unit[0].units, t_stop.units)
self.assertEqual(cpp_unit[0].t_stop.units, t_stop.units)
self.assertEqual(cpp_unit[0].t_start.units, t_stop.units)
# testing without copying any spikes
A = [1, 0, 0]
t_stop = 10 * 1000 * ms
t_start = 5 * 1000 * ms
rate = [3, 4] * Hz
cpp_het_empty = stgen.cpp(rate, A, t_stop, t_start=t_start)
self.assertEqual(len(cpp_het_empty[0]), 0)
# testing output with rate equal to 0
A = [0, .9, .1]
t_stop = 10 * 1000 * ms
t_start = 5 * 1000 * ms
rate = [0, 0] * Hz
cpp_het_empty_r = stgen.cpp(rate, A, t_stop, t_start=t_start)
self.assertEqual([len(train) for train in cpp_het_empty_r],
[0] * len(cpp_het_empty_r))
# testing completely sync spiketrains
A = [0, 0, 1]
t_stop = 10 * 1000 * ms
t_start = 5 * 1000 * ms
rate = [3, 3] * Hz
cpp_het_eq = stgen.cpp(rate, A, t_stop, t_start=t_start)
self.assertTrue(
np.allclose(cpp_het_eq[0].magnitude, cpp_het_eq[1].magnitude))
def test_cpp_het(self):
# testing output with generic inputs
A = [0, .9, .1]
t_stop = 10 * 1000 * ms
t_start = 5 * 1000 * ms
rate = [3, 4] * Hz
cpp_het = stgen.cpp(rate, A, t_stop, t_start=t_start)
# testing the ouput formats
self.assertEqual(
[type(train) for train in cpp_het], [neo.SpikeTrain]*len(cpp_het))
self.assertEqual(cpp_het[0].simplified.units, 1000 * ms)
self.assertEqual(type(cpp_het), list)
# testing units
self.assertEqual(
[train.simplified.units for train in cpp_het], [1000 * ms]*len(
cpp_het))
# testing output t_start and t_stop
for st in cpp_het:
self.assertEqual(st.t_stop, t_stop)
self.assertEqual(st.t_start, t_start)
# testing the number of output spiketrains
self.assertEqual(len(cpp_het), len(A) - 1)
self.assertEqual(len(cpp_het), len(rate))
# testing the units
A = [0, 0.9, 0.1]
t_stop = 10000*ms
t_start = 5 * 1000 * ms
rate = [3, 4] * Hz
cpp_unit = stgen.cpp(rate, A, t_stop, t_start=t_start)
self.assertEqual(cpp_unit[0].units, t_stop.units)
self.assertEqual(cpp_unit[0].t_stop.units, t_stop.units)
self.assertEqual(cpp_unit[0].t_start.units, t_stop.units)
# testing without copying any spikes
A = [1, 0, 0]
t_stop = 10 * 1000 * ms
t_start = 5 * 1000 * ms
rate = [3, 4] * Hz
cpp_het_empty = stgen.cpp(rate, A, t_stop, t_start=t_start)
self.assertEqual(len(cpp_het_empty[0]), 0)
# testing output with rate equal to 0
A = [0, .9, .1]
t_stop = 10 * 1000 * ms
t_start = 5 * 1000 * ms
rate = [0, 0] * Hz
cpp_het_empty_r = stgen.cpp(rate, A, t_stop, t_start=t_start)
self.assertEqual(
[len(train) for train in cpp_het_empty_r], [0]*len(
cpp_het_empty_r))
# testing completely sync spiketrains
A = [0, 0, 1]
t_stop = 10 * 1000 * ms
t_start = 5 * 1000 * ms
rate = [3, 3] * Hz
cpp_het_eq = stgen.cpp(rate, A, t_stop, t_start=t_start)
self.assertTrue(np.allclose(
cpp_het_eq[0].magnitude, cpp_het_eq[1].magnitude))
def test_cpp_hom(self):
# testing output with generic inputs
A = [0, .9, .1]
t_stop = 10 * 1000 * ms
t_start = 5 * 1000 * ms
rate = 3 * Hz
cpp_hom = stgen.cpp(rate, A, t_stop, t_start=t_start)
# testing the ouput formats
self.assertEqual(
[type(train) for train in cpp_hom], [neo.SpikeTrain]*len(cpp_hom))
self.assertEqual(cpp_hom[0].simplified.units, 1000 * ms)
self.assertEqual(type(cpp_hom), list)
# testing quantities format of the output
self.assertEqual(
[train.simplified.units for train in cpp_hom], [1000 * ms]*len(
cpp_hom))
# testing output t_start t_stop
for st in cpp_hom:
self.assertEqual(st.t_stop, t_stop)
self.assertEqual(st.t_start, t_start)
self.assertEqual(len(cpp_hom), len(A) - 1)
# testing the units
A = [0, 0.9, 0.1]
t_stop = 10000*ms
t_start = 5 * 1000 * ms
rate = 3 * Hz
cpp_unit = stgen.cpp(rate, A, t_stop, t_start=t_start)
self.assertEqual(cpp_unit[0].units, t_stop.units)
self.assertEqual(cpp_unit[0].t_stop.units, t_stop.units)
self.assertEqual(cpp_unit[0].t_start.units, t_stop.units)
# testing output without copy of spikes
A = [1]
t_stop = 10 * 1000 * ms
t_start = 5 * 1000 * ms
rate = 3 * Hz
cpp_hom_empty = stgen.cpp(rate, A, t_stop, t_start=t_start)
self.assertEqual(
[len(train) for train in cpp_hom_empty], [0]*len(cpp_hom_empty))
# testing output with rate equal to 0
A = [0, .9, .1]
t_stop = 10 * 1000 * ms
t_start = 5 * 1000 * ms
rate = 0 * Hz
cpp_hom_empty_r = stgen.cpp(rate, A, t_stop, t_start=t_start)
self.assertEqual(
[len(train) for train in cpp_hom_empty_r], [0]*len(
cpp_hom_empty_r))
# testing output with same spike trains in output
A = [0, 0, 1]
t_stop = 10 * 1000 * ms
t_start = 5 * 1000 * ms
rate = 3 * Hz
cpp_hom_eq = stgen.cpp(rate, A, t_stop, t_start=t_start)
self.assertTrue(
np.allclose(cpp_hom_eq[0].magnitude, cpp_hom_eq[1].magnitude))
# for i, spiketrain in enumerate(spiketrain_list):
# t = spiketrain.rescale(ms)
# plt.plot(t, i * np.ones_like(t), 'k.', markersize=2)
# plt.axis('tight')
# plt.xlim(0, 1000)
# plt.xlabel('Time (ms)', fontsize=16)
# plt.ylabel('Spike Train Index', fontsize=16)
# plt.gca().tick_params(axis='both', which='major', labelsize=14)
# #plt.show()
# cc_matrix = corrcoef(BinnedSpikeTrain(spiketrain_list, 1 * ms))
# print(cc_matrix[0][1])
rate_correlation = []
for x in permutations(np.divide(np.linspace(0, 100, 11),100), 3):
if sum(x) == 1:
spiketrain_list = cpp(500 * Hz, x, 1000 * ms)
rate = len(LIF_R_ASC_AT(w_e, w_i, spiketrain_list[0], spiketrain_list[1]))
cc_matrix = corrcoef(BinnedSpikeTrain(spiketrain_list, 5 * ms))
rate_correlation.append([cc_matrix[0][1], rate])
print(rate_correlation)
x_val = [x[0] for x in rate_correlation]
y_val = [x[1] for x in rate_correlation]
#plt.scatter(x_val, y_val, marker="x")
sns.regplot(x_val, y_val, ci=None)
plt.ylim((0, 30))
plt.xlim((0, 1))
plt.xlabel("Pearson’s correlation coefficient")
plt.ylabel("Output firing rate (Hz)")
#sns.lmplot("Correlation", "Output firing rate (Hz)", pd.DataFrame((x_val, y_val), columns =['Correlation', 'Output firing rate (Hz)']))
plt.show()
