def train(cuda=False, resume=False, batch_size=10):
cudaAvailable = torch.cuda.is_available()
trainDataet = dataset("Data/train2.txt")
valDataet = dataset("Data/val2.txt")
trainDataLoader = DataLoader(dataset=trainDataet,
batch_size=batch_size,
drop_last=True)
valDataLoader = DataLoader(dataset=valDataet,
batch_size=batch_size,
drop_last=True)
if resume:
model = torch.load('./work-dir/40.pth')
else:
model = OurNet(batch_size)
if cudaAvailable:
model = model.cuda()
# device = torch.device("cuda:1" if torch.cuda.is_available() else "cpu")
# model.to_device(device)
loss_fn = nn.MSELoss()
optimizer = torch.optim.SGD(model.parameters(),
lr=0.5,
momentum=0.9,
weight_decay=1e-5)
optimizer = torch.optim.Adamax(model.parameters(),
lr=0.1,
weight_decay=1e-4)
epoches = 1
train_loop(trainDataLoader, valDataLoader, model, loss_fn, optimizer,
epoches, cudaAvailable)
return
def main(args):
print("Loading Training Data:", args.training)
print("args.featureName:", args.features)
print("args.PCA:", args.PCA)
print("args.features:", args.features)
print("args.imbalance:", args.imbalance)
print("args.network:", args.network)
print("args.LR:", args.LR)
print("args.VLAD_k:", args.VLAD_k)
print("args.max_epoch:", args.max_epoch)
print("flush!", flush=True)
from Dataset import dataset
my_dataset = dataset()
my_dataset.loadTrainingDataset(
path_data=args.training,
featureName=args.features,
PCA=args.PCA,
imbalance=args.imbalance,
batch_size=args.batch_size,
window_size_sec=args.WindowSize,
)
my_dataset.loadValidationDataset(
path_data=args.validation,
featureName=args.features,
PCA=args.PCA,
window_size_sec=args.WindowSize,
)
my_dataset.loadTestingDataset(
path_data=args.testing,
featureName=args.features,
PCA=args.PCA,
window_size_sec=args.WindowSize,
)
# define Network
from Network import networkMinutes
my_network = networkMinutes(my_dataset, args.network, VLAD_k=args.VLAD_k)
# define Trainer
from Trainer import Trainer
my_trainer = Trainer(my_network, my_dataset)
vals_train, vals_valid, vals_test, model = my_trainer.train(
epochs=args.max_epoch, learning_rate=args.LR, tflog=args.tflog)
#vals_train, vals_valid, vals_test, model = 0,0,0,"pippo"
if (".csv" in args.csv_file and args.jobid >= 0
and ("BUTTA" not in args.tflog.upper())):
print("saving results to csv file")
df = pd.read_csv(args.csv_file, index_col=0)
df.set_value(args.jobid, "train_mAP", vals_train["mAP"])
df.set_value(args.jobid, "train_Acc", vals_train["accuracy"])
df.set_value(args.jobid, "valid_mAP", vals_valid["mAP"])
df.set_value(args.jobid, "valid_Acc", vals_valid["accuracy"])
df.set_value(args.jobid, "test_mAP", vals_test["mAP"])
df.set_value(args.jobid, "test_Acc", vals_test["accuracy"])
print(model)
df.set_value(args.jobid, "model", model)
df.to_csv(args.csv_file, sep=',', encoding='utf-8')
def process_dataset_test(data_dir, base, num, pca_comp, topk, test):
images = dataset(data_dir, num)
pca_combined = np.zeros([images.layer, images.layer])
print(f'ThreadPoolExecutor Initiated for {images.N_img} images with size {images.size} ')
with ThreadPoolExecutor() as executor:
futures = []
for idx in images.idxs:
futures.append(executor.submit(lambda x: run_step_covariance(x, images, test), idx))
print(f" No.{idx} image is loaded")
cov_combined = np.zeros([images.layer,images.layer])
result = []
for future in as_completed(futures):
result = future.result()
cov_combined += result
# print('processed result',result[:5,:5])
print("Done?", future.done())
pc_eigens, pc_vals = images.get_pc_eigens(cov_combined, pca_comp)
print(np.log(pc_vals))
# for val images.data.items()
# print('pc_eigens',pc_eigens[0:2,:], np.shape(pc_eigens))
'''
futures = []
for idx in images.idxs:
futures.append(executor.submit(lambda x: run_step_pca(x, pc_eigens, images, base, pca_comp), idx))
stream_concat = []
stream_1D = []
vec = np.zeros(base**pca_comp)
print('################################## Preparing 1D frequency vector ###################################')
for future in as_completed(futures):
stream_1D = future.result()
print(stream_1D)
stream_concat = np.append(stream_concat,stream_1D)
for item in stream_1D:
vec[item] +=1
print("Done?", future.done())
print('non-zero in vec', np.sum(vec!=0))
# print('processed result',result[[0,1,-2,-1]])
print(np.shape(stream_concat))
print(stream_concat)
exact_HH = run_exact_count(stream_concat, topk)
print('################################## Exact Count Done ###################################')
print('exact_HH',exact_HH[:10])
return exact_HH, vec, stream_concat
'''
return None
def process_dataset(data_dir, base, num, pca_comp, topk, test):
images = dataset(data_dir, num)
num = images.N_img
# pca_combined = np.zeros([images.layer, images.layer])
print(
f'Processing {num} [test :{test}] images with original size {images.size} '
)
with ThreadPoolExecutor() as executor:
futures = []
for idx in range(num):
futures.append(
executor.submit(lambda x: run_step_multiple(x, images, test),
idx))
# print(f" No.{idx} image is loaded")
mul_comb = np.zeros([images.layer, images.layer])
for future in as_completed(futures):
mul = future.result()
mul_comb += mul
pc = run_step_pc(mul_comb, pca_comp)
return images.data1D, pc, mul_comb
Created on Tue Jul 31 19:13:45 2018 @author: WangJianqiao """ from Dataset import dataset from DML import Partial_Linear from sklearn.linear_model import Lasso n = 200 p = 250 # K = 2 K = 2 S = 10 estimator_Y = Lasso(alpha=0.01) estimator_D = Lasso(alpha=0.01) # no interaction X, D, Y = dataset(n, p) partial_linear = Partial_Linear(K, S, estimator_Y, estimator_D, mode='mean') partial_linear.fit(X, D, Y) theta_DML1, theta_DML2 = partial_linear.coef() CI_DML1, CI_DML2 = partial_linear.confidence_interval(alpha=0.95) # interaction X, D, Y = dataset(n, p, interaction=[0, 1]) partial_linear = Partial_Linear(K, S, estimator_Y, estimator_D, mode='mean') partial_linear.fit(X, D, Y, interaction=[0, 1]) theta_DML1, theta_DML2 = partial_linear.coef() theta_CI_DML1, theta_CI_DML2 = partial_linear.confidence_interval(alpha=0.95, i=[0])
from Dataset import dataset
from Network import Net
from Trainer import Trainer
import os
from torch.utils.data import DataLoader
import torchvision
ROOT_DIR = './problem2-CNN'
train_scv = '/train.csv'
test_scv = '/test.csv'
if __name__ == '__main__':
# train set
print('processing training set...')
train_set = face_crop(ROOT_DIR + train_scv)
train_data = dataset(train_set)
# test set
print('processing test set...')
test_set = face_crop(ROOT_DIR + test_scv)
test_data = dataset(test_set)
train_loader = DataLoader(dataset=train_data,
batch_size=10,
shuffle=True,
num_workers=4)
test_loader = DataLoader(dataset=test_data,
batch_size=10,
shuffle=False,
num_workers=4)
import numpy as np
from Dataset import dataset, files
filename = files(
4, 5
) # #false star added to the end as a quick fix to running error ['star3_1.21.txt','star4_1.34.txt','star5_false.txt']
observations = np.empty((len(filename), 1), dtype=object)
observations = [dataset(filename[i]) for i in xrange(len(filename))]
for i in xrange(len(observations)):
observations[i](
3) #recommended interval: star 3 - 4075 to 4175, star 4 - 2500 - 2600
t0 = time.time()
results = function(*args, **kwargs)
t1 = time.time()
print('Total running time: %s minutes' % str((t1 - t0) / 60))
return results
return function_timer
def preview(train_label, test_label):
print('train stat', pd.value_counts(train_label))
print('test stat', pd.value_counts(test_label))
if __name__ == '__main__':
train_fs, test_fs, train_labels, test_labels = dataset(data_type)
print('Load %s' % data_type)
# preview(train_labels, test_labels)
knn = KNeighborsClassifier()
p = np.array([2])
k_range = np.array([1, 7])
param_grid = [{'p': p, 'n_neighbors': k_range}]
grid = GridSearchCV(knn, param_grid, cv=5, n_jobs=-1)
t0 = time.time()
grid.fit(train_fs, train_labels)
t1 = time.time()
print('Total running time: %s seconds' % str(t1 - t0))
score = grid.score(test_fs, test_labels)
print('Score%.3f' % score)
df = pd.DataFrame(grid.cv_results_)
df.to_csv(cvresults_path + '%.3f.csv' % score)
def main(args):
# args.model = "Model/BestModel_Augm_60.ckpt"
print("Loading Testing Data:", args.testing)
print("args.PCA:", args.PCA)
print("args.features:", args.features)
print("args.network:", args.network)
print("args.VLAD_k:", args.VLAD_k)
print("args.model:", args.model)
print("flush!", flush=True)
from Dataset import dataset
my_dataset = dataset()
my_dataset.loadTestingDataset(path_data=args.testing,
featureName=args.features,
PCA=args.PCA,
window_size_sec=args.WindowSize)
# define Network
from Network import networkMinutes
my_network = networkMinutes(my_dataset, args.network, VLAD_k=args.VLAD_k)
with tf.Session() as sess:
print("global_variables_initializer")
sess.run(tf.global_variables_initializer())
print("restore session")
saver = tf.train.Saver().restore(sess, args.model)
sess.run(tf.local_variables_initializer())
sess.run([my_network.reset_metrics_op])
start_time = time.time()
total_num_batches = 0
for i in tqdm(range(my_dataset.nb_batch_testing)):
batch_features, batch_labels, key = my_dataset.getTestingBatch(i)
feed_dict = {
my_network.input: batch_features,
my_network.labels: batch_labels,
my_network.keep_prob: 1.0,
my_network.weights: my_dataset.weights
}
sess.run([my_network.loss], feed_dict=feed_dict) # compute loss
sess.run(my_network.update_metrics_op,
feed_dict=feed_dict) # update metrics
vals_test = sess.run(my_network.metrics_op,
feed_dict=feed_dict) # return metrics
predictions = sess.run(my_network.predictions,
feed_dict=feed_dict) # return metrics
# print()
# print(key)
# print(os.path.split(key)[0])
# print(os.path.split(key)[1])
# print(predictions.shape)
# print(predictions.dtype)
mean_error = np.mean(np.abs(predictions - batch_labels), axis=0)
# print(mean_error, sum(mean_error))
predictions_name = os.path.join(
os.path.split(key)[0],
args.output + "_" + os.path.split(key)[1])
print(predictions_name)
np.save(predictions_name, predictions)
total_num_batches += 1
vals_test["mAP"] = np.mean([
vals_test["auc_PR_1"], vals_test["auc_PR_2"],
vals_test["auc_PR_3"]
])
good_sample = np.sum(np.multiply(vals_test["confusion_matrix"],
np.identity(4)),
axis=0)
bad_sample = np.sum(
vals_test["confusion_matrix"] -
np.multiply(vals_test["confusion_matrix"], np.identity(4)),
axis=0)
vals_test["accuracies"] = good_sample / (bad_sample + good_sample)
vals_test["accuracy"] = np.mean(vals_test["accuracies"])
print(vals_test["confusion_matrix"])
# print(('Batch number: %.3f Loss: {:<8.3} Accuracy: {:<5.3} mAP: {:<5.3}') % (total_num_batches, vals_test["loss"], training_accuracy, vals_test['mAP']))
print((
'auc: %.3f (auc_PR_0: %.3f auc_PR_1: %.3f auc_PR_2: %.3f auc_PR_3: %.3f)'
) % (vals_test["auc_PR"], vals_test["auc_PR_0"], vals_test["auc_PR_1"],
vals_test["auc_PR_2"], vals_test["auc_PR_3"]))
print(' Loss: {:<8.3} Accuracy: {:<5.3} mAP: {:<5.3}'.format(
vals_test['loss'], vals_test["accuracy"], vals_test['mAP']))
print(' Time: {:<8.3} s'.format(time.time() - start_time))
return vals_test
import numpy as np
from Dataset import dataset, files
filename = files(
0, 5
) #check first star in interval. change min to see a different star or make a for loop
observations = dataset(filename[4])
#observations.reduceData() #if you want to look at a subset of the data
observations(4)
earthMass = 5.972 * 10**24
jupiterMass = 1.898 * 10**27
print "The model gives us \n v = ", observations.modelV_rel, " m/s"
print " P = ", observations.modelP, " days"
print "Planet mass = ", observations.planetMass, " kg"
print "Planet mass = ", observations.planetMass / jupiterMass, " Jupiter masses"
#calculate planet orbits
for i in xrange(numberOfPlanets):
planets[i](T, N)
#create the array required to create the xml file
for p_no in xrange(numberOfPlanets):
for t_i in xrange(N):
if p_no == 0: # only store values from planet 0, 3 & 5
pos_computed[0, 0, t_i] = planets[p_no].planetHistory[t_i][2]
pos_computed[1, 0, t_i] = planets[p_no].planetHistory[t_i][3]
if p_no == 3:
pos_computed[0, 1, t_i] = planets[p_no].planetHistory[t_i][2]
pos_computed[1, 1, t_i] = planets[p_no].planetHistory[t_i][3]
if p_no == 6:
pos_computed[0, 2, t_i] = planets[p_no].planetHistory[t_i][2]
pos_computed[1, 2, t_i] = planets[p_no].planetHistory[t_i][3]
planetMasses = [planetsMass[0], planetsMass[3], planetsMass[5]]
star = starSystem(starMass)
star(pos_computed, planetMasses, 3, T, N)
velocityData = []
for i in xrange(len(star.starHistory)):
velocityData.append(star.starHistory[i][1] * 4743.72) #convert to [m/s]
#process data with an already calculated time, radial velocity, given peculiar velocity and star mass
processData = dataset(velocityData, times, -4213.37, starMass)
processData(2) #0, 1 or 2 depending on what you want to do with the data