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history_vis.py
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history_vis.py
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from Utils.Other import * # noqa: F403
import matplotlib.pyplot as plt
import numpy as np
# load history
history = load_list("history\\model_history.pkl.gz", compressed=True) # noqa: F405
# Chunk size for 3D plot
chunk_size = 6 # Change this to your desired chunk size
def chunked_data(data, chunk_size):
return [data[i : i + chunk_size] for i in range(0, len(data), chunk_size)]
try:
EPM = "Epoch(Subset)"
# Calculate deltas
delta_loss = np.diff(history["loss"])
delta_accuracy = np.diff(history["accuracy"])
try:
delta_val_loss = np.diff(history["val_loss"])
delta_val_accuracy = np.diff(history["val_accuracy"])
except (ValueError, NameError):
print("\033[91mfailed to load val_loss or val_accuracy for delta calculation.")
plt.figure(figsize=(16, 10))
# Loss
plt.subplot(2, 2, 1)
plt.plot(history["loss"], label="loss")
try:
plt.plot(history["val_loss"], label="val_loss", color="orange")
except (ValueError, NameError):
print("\033[91mfailed to load val_loss.")
plt.title("Model Loss")
plt.ylabel("Loss")
plt.xlabel(EPM)
plt.ylim(top=max(history["val_loss"][10:]), bottom=0) # (max(history['val_loss'][8:]) + min(history['val_loss'])) / 2
plt.grid(True)
# Density plot for loss
plt.subplot(2, 2, 2)
plt.hist(history["loss"], label="loss density", color="blue", alpha=0.5, bins=100)
try:
plt.hist(
history["val_loss"],
label="val_loss density",
color="orange",
alpha=0.5,
bins=100,
)
except (ValueError, NameError):
print("\033[91mfailed to load val_loss (density plot).")
plt.title("Density Plot for Loss")
plt.xlabel("Loss")
plt.xlim(right=max(history["val_loss"][10:]), left=0) # (max(history['val_loss'][8:]) + min(history['val_loss'])) / 2
plt.grid(True)
# Accuracy
plt.subplot(2, 2, 3)
plt.plot(history["accuracy"], label="accuracy")
try:
plt.plot(history["val_accuracy"], label="val_accuracy", color="orange")
except (ValueError, NameError):
print("\033[91mfailed to load val_accuracy.")
plt.title("Model Accuracy")
plt.ylabel("Accuracy")
plt.xlabel(EPM)
plt.grid(True)
# Density plot for accuracy
plt.subplot(2, 2, 4)
plt.hist(history["accuracy"], label="accuracy density", color="blue", alpha=0.5, bins=40)
try:
plt.hist(
history["val_accuracy"],
label="val_accuracy density",
color="orange",
alpha=0.5,
bins=40,
)
except (ValueError, NameError):
print("\033[91mfailed to load val_accuracy (density plot).")
plt.title("Density Plot for Accuracy")
plt.xlabel("Accuracy")
plt.grid(True)
# Delta Loss
plt.figure(figsize=(14, 8))
plt.subplot(2, 2, 1)
plt.plot(delta_loss, label="delta_loss")
try:
plt.plot(delta_val_loss, label="delta_val_loss", color="orange")
except (ValueError, NameError):
print("\033[91mfailed to load delta_val_loss.")
plt.title("Delta Model Loss")
plt.ylabel("Delta Loss")
plt.ylim(top=1.5, bottom=-1.5)
plt.xlabel(EPM)
plt.grid(True)
# Delta Accuracy
plt.subplot(2, 2, 2)
plt.plot(delta_accuracy, label="delta_accuracy")
try:
plt.plot(delta_val_accuracy, label="delta_val_accuracy", color="orange")
except (ValueError, NameError):
print("\033[91mfailed to load delta_val_accuracy.")
plt.title("Delta Model Accuracy")
plt.ylabel("Delta Accuracy")
plt.xlabel(EPM)
plt.grid(True)
# Calculate chunked data
chunked_loss = chunked_data(history["val_loss"], chunk_size)
chunked_accuracy = chunked_data(history["val_accuracy"], chunk_size)
# Clip the loss values to a maximum of max(history['val_loss'][10:])
max_loss = max(history["val_loss"][10:])
chunked_loss = np.clip(chunked_loss, a_min=None, a_max=max_loss)
# Create 3D surface plots for each chunk
fig = plt.figure(figsize=(14, 8))
ax = fig.add_subplot(121, projection="3d")
X = np.arange(len(chunked_loss))
Y = np.arange(chunk_size)
X, Y = np.meshgrid(X, Y)
Z = np.array(chunked_loss).T # Transpose the array to match the shape of X and Y
ax.plot_surface(X, Y, Z, cmap="viridis")
ax.set_title("3D Surface Plot of Chunked Loss")
ax.set_xlabel("Chunk Index")
ax.set_ylabel("Epoch")
ax.set_zlabel("Loss")
ax = fig.add_subplot(122, projection="3d")
X = np.arange(len(chunked_accuracy))
Y = np.arange(chunk_size)
X, Y = np.meshgrid(X, Y)
Z = np.array(chunked_accuracy).T # Transpose the array to match the shape of X and Y
ax.plot_surface(X, Y, Z, cmap="viridis")
ax.set_title("3D Surface Plot of Chunked Accuracy")
ax.set_xlabel("Chunk Index")
ax.set_ylabel("Epoch")
ax.set_zlabel("Accuracy")
# Function to calculate the average of chunks
def chunked_average(values, chunk_size):
return [np.mean(values[i : i + chunk_size]) for i in range(0, len(values), chunk_size)]
avg_accuracy_chunks = chunked_average(history["val_accuracy"], chunk_size)
avg_loss_chunks = chunked_average(history["val_loss"], chunk_size)
# Find the chunk with the highest average accuracy
max_acc_chunk_index = np.argmax(avg_accuracy_chunks)
max_acc_value = avg_accuracy_chunks[max_acc_chunk_index]
# Create a pile plot for accuracy
plt.figure(figsize=(10, 6))
plt.bar(
range(len(avg_accuracy_chunks)),
avg_accuracy_chunks,
color="blue",
label="Average Accuracy",
)
plt.bar(
max_acc_chunk_index,
max_acc_value,
color="red",
label="Highest Average Accuracy",
)
plt.xlabel("Chunk")
plt.ylabel("Average Accuracy")
plt.title("Average Validation Accuracy per Chunk")
plt.legend()
# Create a pile plot for loss
plt.figure(figsize=(10, 6))
plt.bar(
range(len(avg_loss_chunks)),
avg_loss_chunks,
color="green",
label="Average Loss",
)
plt.xlabel("Chunk")
plt.ylabel("Average Loss")
plt.title("Average Validation Loss per Chunk")
plt.legend()
# Function to calculate the average of each epoch across chunks, ignoring the first chunk
def average_across_chunks(values, chunk_size):
num_chunks = len(values) // chunk_size
avg_values = []
for epoch in range(chunk_size):
epoch_values = [values[chunk * chunk_size + epoch] for chunk in range(1, num_chunks)]
avg_values.append(np.mean(epoch_values))
return avg_values
# Calculate the average accuracy and loss for each epoch across chunks, ignoring the first chunk
avg_accuracy_epochs = average_across_chunks(history["val_accuracy"], chunk_size)
avg_loss_epochs = average_across_chunks(history["val_loss"], chunk_size)
# Create a bar plot for average accuracy and loss of each epoch across chunks
plt.figure(figsize=(12, 6))
# Create an index for each epoch
epoch_indices = np.arange(len(avg_accuracy_epochs))
# Plot accuracy and loss as bars
plt.bar(
epoch_indices - 0.2,
avg_accuracy_epochs,
width=0.4,
label="Average Accuracy",
color="blue",
alpha=0.6,
)
plt.bar(
epoch_indices + 0.2,
avg_loss_epochs,
width=0.4,
label="Average Loss",
color="orange",
alpha=0.6,
)
# Add labels and title
plt.xlabel("Epoch (within chunk)")
plt.ylabel("Average Value")
plt.title("Average Validation Accuracy and Loss for Each Epoch Across Chunks (Ignoring First Chunk)")
plt.xticks(epoch_indices, [f"Epoch {i + 1}" for i in epoch_indices]) # Set x-tick labels to epoch numbers
plt.legend()
plt.tight_layout()
plt.show()
except (ValueError, NameError) as E:
print(f"\033[91mFailed to load model history.\nError: {E}")