def _pour(self, a, shape, p):
"""
Parameters
----------
a: 1D np.ndarray or int
The allowed values for to randomly select from
shape: list of ints
The shape of the outputted array of random values.
p: 1D np.ndarray of numbers 0 <= 0 <=1 that sum to one or None
The probability with which to select each value from 'a'
Returns
-------
dict(
target: np.ndarray
The randomly selected values
a: 1D np.ndarray or int
The allowed values for to randomly select from
p: 1D np.ndarray of numbers 0 <= 0 <=1 that sum to one or None
The probability with which to select each value from 'a'
)
"""
target = np.random_choice(a, shape=shape, p=p)
return {'target': target, 'a': ut.maybe_coppy(a), 'p': ut.maybe_coppy(p)}
def main():
samplerate = 30000
duration_sec = 10 # number of timepoints
true_firing_rates_hz = [1, 2, 3, 4, 5]
approx_false_negative_rates = [0, 0.1, 0.2, 0.3, 0.4]
approx_false_positive_rates = [0, 0.2, 0.1, 0.4, 0.3]
extra_unit_firing_rates_hz = [0.5, 1, 1.5]
num_timepoints = samplerate * duration_sec
sorting_true = se.NumpySortingExtractor()
sorting = se.NumpySortingExtractor()
for ii in range(len(true_firing_rates_hz)):
num_events = int(duration_sec * true_firing_rates_hz[ii])
times0 = np.random.choice(np.arange(num_timepoints),
size=num_events,
replace=False).astype(float)
num_hits = int((1 - approx_false_negative_rates[ii]) * num_events)
hits = np.random.choice(times0, size=num_hits, replace=False)
num_extra = int(approx_false_positive_rates[ii] * num_events)
extra = np.random_choice(np.arange(num_timepoints),
size=num_extra,
replace=False).astype(float)
times1 = np.sort(hits + extra)
sorting_true.add_unit(ii + 1, times0)
sorting.add_unit(ii + 1, times1)
for ii in range(len(extra_unit_firing_rates_hz)):
num_events = int(duration_sec * extra_unit_firing_rates_hz[ii])
times0 = np.random.choice(np.arange(num_timepoints),
size=num_events,
replace=False).astype(float)
sorting.add_unit(len(true_firing_rates_hz) + ii + 1, times0)
def _pour(self, a, shape, p):
"""
Parameters
----------
a: 1D np.ndarray or int
The allowed values for to randomly select from
shape: list of ints
The shape of the outputted array of random values.
Returns
-------
dict(
target: np.ndarray
The randomly selected values
a: 1D np.ndarray or int
The allowed values for to randomly select from
)
"""
target = np.random_choice(a, shape=shape, p=p)
return {
'target': target,
'a': ut.maybe_coppy(a),
'p': ut.maybe_coppy(p)
}
def sample_a(policy_f, theta, s):
num_actions = theta.shape[1]
action_probs = []
for a in range(num_actions):
action_probs.append(policy_f(theta, s, a))
action = numpy.random_choice(num_actions, p=action_probs)
return a
def sample(self, mini_batchsize):
current_size = min(self.mem_count, self.mem_size)
idx = np.random_choice(current_size, mini_batchsize, replace=False)
states = self.state_memory[idx]
actions = self.action_memory[idx]
rewards = self.reward_memory[idx]
new_states = self.new_state_memory[idx]
dones = self.done_memory[idx]
return states, actions, rewards, new_states, dones
def get_hash_generator(self, hash_kwargs):
assert self.hash_type in ['tabulation', 'poly', 'random'] #implemented only.
if self.hash_type == 'tabulation':
raise NotImplementedError()
elif self.hash_type == 'poly':
return lambda x: poly_hash(hash_kwargs['k'])(x)
elif self.hash_type == 'random':
return lambda x: np.random_choice([1,-1])
def _retrieve(self, lower_bound, parent_idx = 0):
left_child_idx = 2 * parent_idx + 1
right_child_idx = left_child_idx + 1
if left_child_idx >= len(self.tree):
return parent_idx
if self.tree(left_child_idx) == self.tree(right_child_idx):
return self._retrieve(lower_bound, np.random_choice([left_child_idx, right_child_idx]))
if lower_bound <= self.tree[left_child_idx]:
return self._retrieve(lower_bound, left_child_idx)
else:
return self._retrieve(lower_bound - self.tree[left_child_idx], right_child_idx]
def create_wrong(file_path):
folder = np.random.choice(glob.glob(file_path + "*"))
while floder == "fatalab":
folder = np.random.choice(glob.glob(file_path + "*"))
mat = np.zeros((480, 640), dtype='float32')
i = 0
j = 0
depth_file = np.random_choice(glob.glob(folder + "/*.dat"))
with open(depth_file) as file:
for line in file:
vals = line.split('\t')
for val in vals:
if val == "\n": continue
if int(val) > 1200 or int(val) == -1: val = 1200
mat[i][j] = float(int(val))
j += 1
j = j % 640
i += 1
mat = np.asarry(mat)
mat_small = mat[140:340, 220:420]
mat_small = (mat_small - np.mean(mat_small)) / np.max(mat_small)
plt.imshow(mat_small)
plt.show()
folder2 = np.random.choice(glob.glob(file_path + "*"))
while folder == folder2 or folder2 == "datalab": #it activates if it chose the same folder
folder2 = np.random.choice(glob.glob(file_path + "*"))
mat2 = np.zeros((480, 640), dtype='float32')
i = 0
j = 0
depth_file = np.random.choice(glob.glob(folder2 + "/*.dat"))
with open(depth_file) as file:
for line in file:
vals = line.split('\t')
for val in vals:
if val == "\n": continue
if int(val) > 1200 or int(val) == -1: val = 1200
mat2[i][j] = float(int(val))
j += 1
j = j % 640
i += 1
mat2 = np.asarray(mat2)
mat2_small = mat2[140:340, 220:420]
mat2_small = (mat2_small - np.mean(mat2_small)) / np.max(mat2_small)
plt.imshow(mat2_small)
plt.show()
return np.array([mat_small, mat2_small])
def allocate_group(self, genotype):
na = 0
self.agents = []
while na < n_agents:
allocate = True
ax = np.random.randint(200, self.worldx - 200)
ay = np.random.randint(200, self.worldy - 200)
ae = 50
ao = ag_o + np.random_choice([0, 90, 180, 270])
new_agent = ag.Agent(genotype, ax, ay, ao, ae, self.dt,
self.worldx, self.worldy)
for agent in self.agents:
if new_agent.area.intersects(agent.area):
allocate = False
if allocate:
self.agents.append(new_agent)
na += 1