def main_clustering_exapnsion(path_to_params):
# change to 200 after debugging
n_clusters_for_expansion = 5
sample_idxs_to_plot = [0, 1, 2, 3, 4]
data_input, model = load_saved_results(path_to_params)
gate_expander = expand_gate_from_saved_results(data_input, model,
n_clusters_for_expansion)
plot_and_save_expanded_data_for_samples(gate_expander, model, data_input,
sample_idxs_to_plot)
all_expanded_data = np.concatenate(gate_expander.expanded_data_per_sample)
cell_level_labels = gate_expander.get_catted_cell_level_labels_of_expanded_data(
)
catted_tr_data = np.concatenate(data_input.x_tr)
plotter = DataAndGatesPlotterDepthOne(model, catted_tr_data)
fig, axes = plotter.plot_data_with_gates(
np.array(
np.concatenate([
data_input.y_tr[i] *
torch.ones([data_input.x_tr[i].shape[0], 1])
for i in range(len(data_input.x_tr))
])))
size = 1000 * 1 / catted_tr_data.shape[0]
pos_cells = all_expanded_data[cell_level_labels == 1]
neg_cells = all_expanded_data[cell_level_labels == 0]
axes[0].scatter(pos_cells[:, 0], pos_cells[:, 1], color='r', s=size)
axes[1].scatter(neg_cells[:, 0], neg_cells[:, 1], color='r', s=size)
plt.savefig('expanded_data_with_all_data.png')
def single_run_single_gate(params):
start_time = time.time()
#evauntually uncomment this leaving asis in order ot keep the same results as before to compare.
#set_random_seeds(params)
if not os.path.exists(params['save_dir']):
os.makedirs(params['save_dir'])
with open(os.path.join(params['save_dir'], 'params.pkl'), 'wb') as f:
pickle.dump(params, f)
data_input = DataInput(params['data_params'])
data_input.split_data(split_seed=params['random_seed'])
data_transformer = DataTransformerFactory(
params['transform_params'],
params['random_seed']).manufacture_transformer()
data_input.embed_data_and_fit_transformer(\
data_transformer,
cells_to_subsample=params['transform_params']['cells_to_subsample'],
num_cells_for_transformer=params['transform_params']['num_cells_for_transformer']
)
data_input.save_transformer(params['save_dir'])
data_input.normalize_data()
unused_cluster_gate_inits = init_plot_and_save_gates(data_input, params)
#everything below differs from the other main_UMAP
data_input.convert_all_data_to_tensors()
init_gate_tree, unused_cluster_gate_inits = get_next_gate_tree(
unused_cluster_gate_inits, data_input, params, model=None)
model = initialize_model(params['model_params'], [init_gate_tree])
performance_tracker = run_train_model(model, params['train_params'],
data_input)
model_save_path = os.path.join(params['save_dir'], 'model.pkl')
torch.save(model.state_dict(), model_save_path)
trackers_save_path = os.path.join(params['save_dir'],
'last_CV_rounds_tracker.pkl')
with open(trackers_save_path, 'wb') as f:
pickle.dump(performance_tracker, f)
results_plotter = DataAndGatesPlotterDepthOne(
model, np.concatenate(data_input.x_tr))
#fig, axes = plt.subplots(params['gate_init_params']['n_clusters'], figsize=(1 * params['gate_init_params']['n_clusters'], 3 * params['gate_init_params']['n_clusters']))
results_plotter.plot_data_with_gates(
np.array(
np.concatenate([
data_input.y_tr[i] *
torch.ones([data_input.x_tr[i].shape[0], 1])
for i in range(len(data_input.x_tr))
])))
plt.savefig(os.path.join(params['save_dir'], 'final_gates.png'))
with open(os.path.join(params['save_dir'], 'configs.pkl'), 'wb') as f:
pickle.dump(params, f)
print('Complete main loop took %.4f seconds' % (time.time() - start_time))
return performance_tracker, model
def get_data_inside_both_visually_correct_and_learned_gate(
path_to_params_learned):
matplotlib.rcParams.update({'font.size': 22})
path_to_params_learned, model_learned, data_input = load_saved_model_and_matching_data_input(
path_to_params_learned)
vis_correct_gate = [[['D1', 0.,
model_learned.get_gate_tree()[0][0][2]],
['D2',
model_learned.get_gate_tree()[0][1][1], .75]]]
vis_correct_model = DepthOneModel(vis_correct_gate,
path_to_params_learned['model_params'])
plotter_model = DataAndGatesPlotterDepthOne(
model_learned, np.concatenate(data_input.x_tr))
plotter_vis_corr = DataAndGatesPlotterDepthOne(
vis_correct_model, np.concatenate(data_input.x_tr))
model_learned_data_inside_gate = get_data_inside_gate(
plotter_model, data_input, model_learned)
vis_corr_data_inside_gate = get_data_inside_gate(plotter_vis_corr,
data_input,
vis_correct_model)
with open('model_feat_diff_data_inside_gate.pkl', 'wb') as f:
pickle.dump(model_learned_data_inside_gate, f)
with open('vis_corr_data_inside_gate.pkl', 'wb') as f:
pickle.dump(vis_corr_data_inside_gate, f)
return model_learned_data_inside_gate, vis_corr_data_inside_gate
def plot_data_inside_semi_synth_gate_in_real_UMAP_space(
path_to_semi_synth_params, path_to_params_real):
params_semi_synth, model_semi_synth, data_input_semi_synth, umapper_semi_synth = load_saved_model_and_matching_data_input(
path_to_semi_synth_params)
params_real, model_real, data_input_real, umapper_real = load_saved_model_and_matching_data_input(
path_to_params_real)
plotter_semi_synth = DataAndGatesPlotterDepthOne(
model_semi_synth, np.concatenate(data_input_semi_synth.x_tr))
semi_synth_data_inside_gate = get_data_inside_gate(plotter_semi_synth,
data_input_semi_synth,
model_semi_synth)
data_inside_semi_synth_in_real_umapper_space = umapper_real.transform(
semi_synth_data_inside_gate)
data_inside_semi_synth_in_real_umapper_space = normalize_data(
data_inside_semi_synth_in_real_umapper_space)
#labels_in_real_umapper_space = data_input.y_tr[data_inside_semi_synth_in_real_umapper_space_idxs]
plotter_real_data = DataAndGatesPlotterDepthOne(
model_real,
np.concatenate(data_inside_semi_synth_in_real_umapper_space))
plotter_real_data.plot_all_gates(plt.gca())
size = 1000 * 1 / data_inside_semi_synth_in_real_umapper_space.shape[0]
plt.scatter(data_inside_semi_synth_in_real_umapper_space[:, 0],
data_inside_semi_synth_in_real_umapper_space[:, 1],
s=size)
plt.savefig('semi_synth_inside_gate_in_real_umapper_space.png')
def make_and_save_plot_to_check_umap_stays_same(model, data_input, run,
params):
results_plotter = DataAndGatesPlotterDepthOne(
model, np.concatenate(data_input.x_tr))
results_plotter.plot_data_with_gates(
np.array(
np.concatenate([
data_input.y_tr[i] *
torch.ones([data_input.x_tr[i].shape[0], 1])
for i in range(len(data_input.x_tr))
])))
plt.savefig(os.path.join(params['save_dir'], 'test%d.png' % run))
def main(path_to_params):
start_time = time.time()
params = TransformParameterParser(path_to_params).parse_params()
print(params)
if not os.path.exists(params['save_dir']):
os.makedirs(params['save_dir'])
with open(os.path.join(params['save_dir'], 'params.pkl'), 'wb') as f:
pickle.dump(params, f)
data_input = DataInput(params['data_params'])
data_input.split_data()
data_transformer = DataTransformerFactory(
params['transform_params'],
params['random_seed']).manufacture_transformer()
data_input.embed_data_and_fit_transformer(\
data_transformer,
params['transform_params']['cells_to_subsample'],
params['transform_params']['num_cells_for_transformer'])
data_input.save_transformer(params['save_dir'])
data_input.normalize_data()
init_gate_tree = init_plot_and_save_gates(data_input, params)
model = initialize_model(params['model_params'], init_gate_tree)
data_input.prepare_data_for_training()
performance_tracker = run_train_model(model, params['train_params'],
data_input)
model_save_path = os.path.join(params['save_dir'], 'model.pkl')
torch.save(model.state_dict(), model_save_path)
tracker_save_path = os.path.join(params['save_dir'], 'tracker.pkl')
with open(tracker_save_path, 'wb') as f:
pickle.dump(performance_tracker, f)
results_plotter = DataAndGatesPlotterDepthOne(
model, np.concatenate(data_input.x_tr))
#fig, axes = plt.subplots(params['gate_init_params']['n_clusters'], figsize=(1 * params['gate_init_params']['n_clusters'], 3 * params['gate_init_params']['n_clusters']))
results_plotter.plot_data_with_gates(
np.array(
np.concatenate([
data_input.y_tr[i] *
torch.ones([data_input.x_tr[i].shape[0], 1])
for i in range(len(data_input.x_tr))
])))
plt.savefig(os.path.join(params['save_dir'], 'final_gates.png'))
print('Complete main loop took %.4f seconds' % (time.time() - start_time))
def plot_and_save_expanded_data_for_samples(gate_expander, model, data_input,
sample_idxs_to_plot):
for sample_idx in sample_idxs_to_plot:
plotter = DataAndGatesPlotterDepthOne(model,
np.concatenate(data_input.x_tr))
plotter.plot_single_sample_with_gate(data_input.x_tr[sample_idx],
data_input.idxs_tr[sample_idx],
data_input.y_tr[sample_idx],
plt.gca(),
include_diagnostics=False)
expanded_data = gate_expander.expanded_data_per_sample[sample_idx]
if not (expanded_data.shape[0] == 0):
print(expanded_data.shape)
plotter.plot_single_sample_with_gate(
expanded_data,
data_input.idxs_tr[sample_idx],
data_input.y_tr[sample_idx],
plt.gca(),
color='r',
include_diagnostics=False)
clusters = gate_expander.clusterers_per_sample[
sample_idx].cluster_centers_
plt.gca().scatter(clusters[:, 0], clusters[:, 1], color='b', s=2)
plt.savefig('expanded_sample%d.png' % data_input.idxs_tr[sample_idx])
plt.clf()
def make_umap_plots_per_sample(model, data_input, sample_idxs_to_plot, plots_per_row=5, figlen=7, savename='plots_per_sample.png', background_data_to_plot=None, color='b', expanded_data_per_sample=None, sample_names_to_true_features=None, BALL=False):
if len(sample_idxs_to_plot) == 0:
print('idxs are empty!')
return None
vals_to_delete = []
for i, idx in enumerate(sample_idxs_to_plot):
if not (idx in data_input.sample_names_all):
print('Sample %d not in training data' %idx)
vals_to_delete.append(idx)
for val in vals_to_delete:
del sample_idxs_to_plot[sample_idxs_to_plot.index(val)]
plotter = DataAndGatesPlotterDepthOne(model, [])
idxs_in_data_input = [[1, data_input.idxs_tr.index(idx)] if idx in data_input.idxs_tr else [0, data_input.idxs_te.index(idx)] for idx in sample_idxs_to_plot]
n_samples_to_plot = len(sample_idxs_to_plot)
evenly_divides = not(n_samples_to_plot % plots_per_row)
n_rows = n_samples_to_plot//plots_per_row
if not(evenly_divides):
n_rows += 1
print(n_rows, plots_per_row)
fig, axes = plt.subplots(n_rows, plots_per_row, figsize=((figlen) * plots_per_row, (figlen) * n_rows),sharex=True, sharey=True)
#fig.suptitle('UMAP Embedding and Learned Gates per Sample')
axes = [axes] if len(axes.shape) == 1 else axes
if not (background_data_to_plot is None):
for i in range(n_rows):
for j in range(plots_per_row):
axes[i][j].scatter(
background_data_to_plot[:, 0],
background_data_to_plot[:, 1],
c='lightgrey', s=1/100, alpha=.5
)
axes[0][0].set_xlim(0, 1)
axes[0][0].set_ylim(0, 1)
fig.tight_layout(pad=1.3)
row_start_idx = 0
for i, row in enumerate(range(n_rows)):
sample_row_idxs = sample_idxs_to_plot[row_start_idx: row_start_idx + plots_per_row]
for j, sample_idx in enumerate(sample_row_idxs):
cur_axis = axes[i][j]
data_input_matching_idx = idxs_in_data_input[row_start_idx + j][1]
if idxs_in_data_input[j][0]:
sample = data_input.x_tr[data_input_matching_idx]
label = data_input.y_tr[data_input_matching_idx]
else:
sample = data_input.x_te[data_input_matching_idx]
label = data_input.y_te[data_input_matching_idx]
name = sample_idxs_to_plot[row_start_idx + j]
true_feature = None
if sample_names_to_true_features:
true_feature = sample_names_to_true_features[name]
if not BALL:
plotter.plot_single_sample_with_gate(
sample, name, label,
cur_axis, size=1, color='b',
true_feature=true_feature
)
else:
plotter.plot_single_sample_with_gate(
sample, name, label,
cur_axis, size=1, color='b',
true_feature=true_feature,
BALL=True
)
if not (expanded_data_per_sample is None):
expanded_data = expanded_data_per_sample[data_input_matching_idx]
cur_axis.scatter(expanded_data[:, 0], expanded_data[:, 1], s=1, color='r')
row_start_idx += plots_per_row
plt.savefig(savename)
def cross_validate(path_to_params, n_runs, start_seed=0):
start_time = time.time()
params = TransformParameterParser(path_to_params).parse_params()
print(params)
check_consistency_of_params(params)
#evauntually uncomment this leaving asis in order ot keep the same results as before to compare.
set_random_seeds(params)
if not os.path.exists(params['save_dir']):
os.makedirs(params['save_dir'])
with open(os.path.join(params['save_dir'], 'params.pkl'), 'wb') as f:
pickle.dump(params, f)
data_input = DataInput(params['data_params'])
te_accs = []
tr_accs = []
# to get to the correct new split at start
for i in range(start_seed):
data_input.split_data()
for run in range(start_seed, n_runs):
if not os.path.exists(os.path.join(params['save_dir'], 'run%d' % run)):
os.makedirs(os.path.join(params['save_dir'], 'run%d' % run))
savepath = os.path.join(params['save_dir'], 'run%d' % run)
data_input.split_data()
print(data_input.idxs_tr)
data_transformer = DataTransformerFactory(
params['transform_params'],
params['random_seed']).manufacture_transformer()
data_input.embed_data_and_fit_transformer(\
data_transformer,
cells_to_subsample=params['transform_params']['cells_to_subsample'],
num_cells_for_transformer=params['transform_params']['num_cells_for_transformer'],
use_labels_to_transform_data=params['transform_params']['use_labels_to_transform_data']
)
data_input.save_transformer(savepath)
data_input.normalize_data()
unused_cluster_gate_inits = init_plot_and_save_gates(
data_input, params)
#everything below differs from the other main_UMAP
data_input.convert_all_data_to_tensors()
init_gate_tree, unused_cluster_gate_inits = get_next_gate_tree(
unused_cluster_gate_inits, data_input, params, model=None)
model = initialize_model(params['model_params'], [init_gate_tree])
performance_tracker = run_train_model(model, params['train_params'],
data_input)
model_save_path = os.path.join(savepath, 'model.pkl')
torch.save(model.state_dict(), model_save_path)
tracker_save_path = os.path.join(savepath, 'tracker.pkl')
with open(tracker_save_path, 'wb') as f:
pickle.dump(performance_tracker, f)
results_plotter = DataAndGatesPlotterDepthOne(
model, np.concatenate(data_input.x_tr))
#fig, axes = plt.subplots(params['gate_init_params']['n_clusters'], figsize=(1 * params['gate_init_params']['n_clusters'], 3 * params['gate_init_params']['n_clusters']))
results_plotter.plot_data_with_gates(
np.array(
np.concatenate([
data_input.y_tr[i] *
torch.ones([data_input.x_tr[i].shape[0], 1])
for i in range(len(data_input.x_tr))
])))
plt.savefig(os.path.join(savepath, 'final_gates.png'))
with open(os.path.join(savepath, 'configs.pkl'), 'wb') as f:
pickle.dump(params, f)
print('Complete main loop for run %d took %.4f seconds' %
(run, time.time() - start_time))
start_time = time.time()
print('Accuracy tr %.3f, te %.3f' %
(performance_tracker.metrics['tr_acc'][-1],
performance_tracker.metrics['te_acc'][-1]))
te_accs.append(performance_tracker.metrics['te_acc'][-1])
tr_accs.append(performance_tracker.metrics['tr_acc'][-1])
tr_accs = np.array(tr_accs)
te_accs = np.array(te_accs)
print('Average tr acc: %.3f, te acc %.3f' %
(np.mean(tr_accs), np.mean(te_accs)))
print('Std dev tr acc: %.3f, te_acc %.3f' %
(np.std(tr_accs), np.std(te_accs)))
def main(path_to_params):
start_time = time.time()
params = TransformParameterParser(path_to_params).parse_params()
print(params)
check_consistency_of_params(params)
#evauntually uncomment this leaving asis in order ot keep the same results as before to compare.
set_random_seeds(params)
if not os.path.exists(params['save_dir']):
os.makedirs(params['save_dir'])
with open(os.path.join(params['save_dir'], 'params.pkl'), 'wb') as f:
pickle.dump(params, f)
data_input = DataInput(params['data_params'])
data_input.split_data()
print('%d samples in the training data' % len(data_input.x_tr))
data_transformer = DataTransformerFactory(
params['transform_params'],
params['random_seed']).manufacture_transformer()
data_input.embed_data_and_fit_transformer(\
data_transformer,
cells_to_subsample=params['transform_params']['cells_to_subsample'],
num_cells_for_transformer=params['transform_params']['num_cells_for_transformer'],
use_labels_to_transform_data=params['transform_params']['use_labels_to_transform_data']
)
# can't pickle opentsne objects
if not params['transform_params'] == 'tsne':
data_input.save_transformer(params['save_dir'])
data_input.normalize_data()
potential_gates = get_all_potential_gates(data_input, params)
data_input.convert_all_data_to_tensors()
model = initialize_model(params['model_params'], potential_gates)
if params['train_params']['fix_gates']:
model.freeze_gate_params()
tracker = run_train_model(\
model, params['train_params'], data_input
)
# if params['transform_params']['embed_dim'] == 3:
# unused_cluster_gate_inits = init_gates(data_input, params)
# else:
# unused_cluster_gate_inits = init_plot_and_save_gates(data_input, params)
# #everything below differs from the other main_UMAP
# data_input.convert_all_data_to_tensors()
# init_gate_tree, unused_cluster_gate_inits = get_next_gate_tree(unused_cluster_gate_inits, data_input, params, model=None)
# model = initialize_model(params['model_params'], [init_gate_tree])
# trackers_per_round = []
# num_gates_left = len(unused_cluster_gate_inits)
# #print(num_gates_left, 'asdfasdfasdfasdfasdfasdfas')
# for i in range(num_gates_left + 1):
# performance_tracker = run_train_model(model, params['train_params'], data_input)
# trackers_per_round.append(performance_tracker.get_named_tuple_rep())
# if i == params['train_params']['num_gates_to_learn'] - 1:
# break
# if not i == num_gates_left:
# next_gate_tree, unused_cluster_gate_inits = get_next_gate_tree(unused_cluster_gate_inits, data_input, params, model=model)
# model.add_node(next_gate_tree)
model_save_path = os.path.join(params['save_dir'], 'model.pkl')
torch.save(model.state_dict(), model_save_path)
tracker_save_path = os.path.join(params['save_dir'], 'tracker.pkl')
# trackers_per_round = [tracker.get_named_tuple_rep() for tracker in trackers_per_round]
with open(tracker_save_path, 'wb') as f:
pickle.dump(tracker, f)
if params['plot_umap_reflection']:
# reflection is about x=.5 since the data is already in umap space here
reflected_data = []
for data in data_input.x_tr:
data[:, 0] = 1 - data[:, 0]
reflected_data.append(data)
data_input.x_tr = reflected_data
gate_tree = model.get_gate_tree()
reflected_gates = []
for gate in gate_tree:
print(gate)
#order switches since reflected over x=.5
low_reflected = 1 - gate[0][2]
high_reflected = 1 - gate[0][1]
gate[0][1] = low_reflected
gate[0][2] = high_reflected
print(gate)
reflected_gates.append(gate)
model.init_nodes(reflected_gates)
print(model.init_nodes)
print(model.get_gates())
results_plotter = DataAndGatesPlotterDepthOne(
model, np.concatenate(data_input.x_tr))
#fig, axes = plt.subplots(params['gate_init_params']['n_clusters'], figsize=(1 * params['gate_init_params']['n_clusters'], 3 * params['gate_init_params']['n_clusters']))
if params['transform_params']['embed_dim'] == 2:
results_plotter.plot_data_with_gates(
np.array(
np.concatenate([
data_input.y_tr[i] *
torch.ones([data_input.x_tr[i].shape[0], 1])
for i in range(len(data_input.x_tr))
])))
plt.savefig(os.path.join(params['save_dir'], 'final_gates.png'))
else:
fig_pos, ax_pos, fig_neg, ax_neg = results_plotter.plot_data_with_gates(
np.array(
np.concatenate([
data_input.y_tr[i] *
torch.ones([data_input.x_tr[i].shape[0], 1])
for i in range(len(data_input.x_tr))
])))
with open(os.path.join(params['save_dir'], 'final_gates_pos_3d.pkl'),
'wb') as f:
pickle.dump(fig_pos, f)
with open(os.path.join(params['save_dir'], 'final_gates_neg_3d.pkl'),
'wb') as f:
pickle.dump(fig_neg, f)
with open(os.path.join(params['save_dir'], 'configs.pkl'), 'wb') as f:
pickle.dump(params, f)
print('Learned weights:', model.linear.weight)
print('Complete main loop took %.4f seconds' % (time.time() - start_time))
def main(path_to_params):
start_time = time.time()
params = TransformParameterParser(path_to_params).parse_params()
print(params)
check_consistency_of_params(params)
#evauntually uncomment this leaving asis in order ot keep the same results as before to compare.
set_random_seeds(params)
if not os.path.exists(params['save_dir']):
os.makedirs(params['save_dir'])
with open(os.path.join(params['save_dir'], 'params.pkl'), 'wb') as f:
pickle.dump(params, f)
data_input = DataInput(params['data_params'])
data_input.split_data()
data_transformer = DataTransformerFactory(
params['transform_params'],
params['random_seed']).manufacture_transformer()
data_input.embed_data_and_fit_transformer(\
data_transformer,
cells_to_subsample=params['transform_params']['cells_to_subsample'],
num_cells_for_transformer=params['transform_params']['num_cells_for_transformer'],
use_labels_to_transform_data=params['transform_params']['use_labels_to_transform_data']
)
data_input.save_transformer(params['save_dir'])
data_input.normalize_data()
unused_cluster_gate_inits = init_plot_and_save_gates(data_input, params)
data_input.convert_all_data_to_tensors()
init_gate_tree, unused_cluster_gate_inits = get_next_gate_tree(
unused_cluster_gate_inits, data_input, params, model=None)
model1 = initialize_model(params['model_params'], [init_gate_tree])
performance_tracker1 = run_train_model(model1, params['train_params'],
data_input)
model1_save_path = os.path.join(params['save_dir'], 'model1.pkl')
torch.save(model1.state_dict(), model1_save_path)
tracker1_save_path = os.path.join(params['save_dir'], 'tracker1.pkl')
with open(tracker1_save_path, 'wb') as f:
pickle.dump(performance_tracker1, f)
# now select the data inside the learned model1 gate and re-run umap
data_input.filter_data_inside_first_model_gate(model1)
unused_cluster_gate_inits = init_plot_and_save_gates(data_input, params)
data_transformer = DataTransformerFactory(
params['transform_params'],
params['random_seed']).manufacture_transformer()
data_input.embed_data_and_fit_transformer(\
data_transformer,
cells_to_subsample=params['transform_params']['cells_to_subsample'],
num_cells_for_transformer=params['transform_params']['num_cells_for_transformer'],
use_labels_to_transform_data=params['transform_params']['use_labels_to_transform_data']
)
data_input.save_transformer(params['save_dir'])
data_input.convert_all_data_to_tensors()
init_gate_tree, _ = get_next_gate_tree(unused_cluster_gate_inits,
data_input,
params,
model=None)
model2 = initialize_model(params['model_params'], [init_gate_tree])
performance_tracker2 = run_train_model(model2, params['train_params'],
data_input)
model2_save_path = os.path.join(params['save_dir'], 'model2.pkl')
torch.save(model2.state_dict(), model2_save_path)
tracker2_save_path = os.path.join(params['save_dir'], 'tracker2.pkl')
with open(tracker2_save_path, 'wb') as f:
pickle.dump(performance_tracker2, f)
results_plotter = DataAndGatesPlotterDepthOne(
model2, np.concatenate(data_input.x_tr))
#fig, axes = plt.subplots(params['gate_init_params']['n_clusters'], figsize=(1 * params['gate_init_params']['n_clusters'], 3 * params['gate_init_params']['n_clusters']))
results_plotter.plot_data_with_gates(
np.array(
np.concatenate([
data_input.y_tr[i] *
torch.ones([data_input.x_tr[i].shape[0], 1])
for i in range(len(data_input.x_tr))
])))
plt.savefig(os.path.join(params['save_dir'], 'final_gates.png'))
with open(os.path.join(params['save_dir'], 'configs.pkl'), 'wb') as f:
pickle.dump(params, f)
print('Complete main loop took %.4f seconds' % (time.time() - start_time))
def main(path_to_params):
start_time = time.time()
params = TransformParameterParser(path_to_params).parse_params()
print(params)
check_consistency_of_params(params)
set_random_seeds(params)
if not os.path.exists(params['save_dir']):
os.makedirs(params['save_dir'])
with open(os.path.join(params['save_dir'], 'params.pkl'), 'wb') as f:
pickle.dump(params, f)
data_input = DataInput(params['data_params'])
data_input.split_data()
data_transformer = DataTransformerFactory(
params['transform_params'],
params['random_seed']).manufacture_transformer()
data_input.embed_data_and_fit_transformer(\
data_transformer,
params['transform_params']['cells_to_subsample'],
params['transform_params']['num_cells_for_transformer']
)
data_input.save_transformer(params['save_dir'])
data_input.normalize_data()
#everything below differs from the other main_UMAP
multi_gate_initializer = MultipleGateInitializerHeuristic(
data_input, params['model_params']['node_type'],
params['gate_init_multi_heuristic_params'])
init_gate_tree = [multi_gate_initializer.init_next_gate()]
model = initialize_model(params['model_params'], init_gate_tree)
data_input.prepare_data_for_training()
trackers_per_step = []
num_gates = params['gate_init_multi_heuristic_params']['num_gates']
for i in range(num_gates):
performance_tracker = run_train_model(model, params['train_params'],
data_input)
multi_gate_initializer.gates = model.get_gates()
if not (i == num_gates - 1):
print(model.get_gates())
next_gate = multi_gate_initializer.init_next_gate()
if next_gate is None:
print(
'There are no non-overlapping initializations left to try!'
)
break
model.add_node(next_gate)
model_save_path = os.path.join(params['save_dir'], 'model.pkl')
torch.save(model.state_dict(), model_save_path)
tracker_save_path = os.path.join(params['save_dir'], 'tracker.pkl')
with open(tracker_save_path, 'wb') as f:
pickle.dump(performance_tracker, f)
results_plotter = DataAndGatesPlotterDepthOne(
model, np.concatenate(data_input.x_tr))
#fig, axes = plt.subplots(params['gate_init_params']['n_clusters'], figsize=(1 * params['gate_init_params']['n_clusters'], 3 * params['gate_init_params']['n_clusters']))
results_plotter.plot_data_with_gates(
np.array(
np.concatenate([
data_input.y_tr[i] *
torch.ones([data_input.x_tr[i].shape[0], 1])
for i in range(len(data_input.x_tr))
])))
plt.savefig(os.path.join(params['save_dir'], 'final_gates.png'))
print('Complete main loop took %.4f seconds' % (time.time() - start_time))
def main_kde_expansion(path_to_params):
start_time = time.time()
sample_idxs_to_plot = [0, 1, 2, 3, 4]
step_size = .001
sigma_thresh_factor = .5
data_input, model, params = load_saved_results(path_to_params,
ret_params_too=True)
init_gate = model.get_gates()[0]
gate_expander = KDEGateExpander(data_input.x_tr,
init_gate,
step_size=step_size,
sigma_thresh_factor=sigma_thresh_factor)
expanded_gates = gate_expander.expand_gates()
# gate_expander = expand_gate_from_saved_results(data_input, model, n_clusters_for_expansion)
# plot_and_save_expanded_data_for_samples(gate_expander, model, data_input, sample_idxs_to_plot)
gate_expander.collect_expanded_cells_per_sample()
# rerun logistic regressor to get the new accuracy after expansion
expanded_gate_tree = [[['D1', expanded_gates[0], expanded_gates[1]],
['D2', expanded_gates[2], expanded_gates[3]]]]
model.init_nodes(expanded_gate_tree)
train_params = params['train_params']
fit_classifier_params(model,
data_input,
train_params['learning_rate_classifier'],
l1_reg_strength=train_params['l1_reg_strength'])
expanded_output = model(data_input.x_tr, data_input.y_tr)
y_true = data_input.y_tr
y_pred = (expanded_output['y_pred'].cpu().detach().numpy() >= 0.5) * 1.0
y_pred = y_pred.reshape(y_true.cpu().numpy().shape)
acc_tr = sum(y_pred == y_true.cpu().numpy()) * 1.0 / y_true.shape[0]
print('Tr acc/loss after expansion: %.4f, %.4f' %
(acc_tr, expanded_output['log_loss']))
expanded_output = model(data_input.x_te, data_input.y_te)
y_true = data_input.y_te
y_pred = (expanded_output['y_pred'].cpu().detach().numpy() >= 0.5) * 1.0
y_pred = y_pred.reshape(y_true.cpu().numpy().shape)
acc_te = sum(y_pred == y_true.cpu().numpy()) * 1.0 / y_true.shape[0]
print('Te acc/loss after expansion: %.4f, %.4f' %
(acc_te, expanded_output['log_loss']))
all_expanded_data = np.concatenate(gate_expander.expanded_data_per_sample)
print(all_expanded_data.shape, 'all_expanded_data')
# get catted labels here
cell_level_labels = get_catted_cell_level_labels_of_expanded_data(
gate_expander.expanded_data_per_sample, data_input.y_tr)
catted_tr_data = np.concatenate(data_input.x_tr)
plotter = DataAndGatesPlotterDepthOne(model, catted_tr_data)
fig, axes = plotter.plot_data_with_gates(
np.array(
np.concatenate([
data_input.y_tr[i] *
torch.ones([data_input.x_tr[i].shape[0], 1])
for i in range(len(data_input.x_tr))
])))
size = 1000 * 1 / catted_tr_data.shape[0]
pos_cells = all_expanded_data[cell_level_labels == 1, :]
neg_cells = all_expanded_data[cell_level_labels == 0, :]
axes[0].scatter(pos_cells[:, 0], pos_cells[:, 1], color='r', s=size)
axes[1].scatter(neg_cells[:, 0], neg_cells[:, 1], color='r', s=size)
plt.savefig('expanded_data_with_all_data.png')
print('total time %.3f' % (time.time() - start_time))