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llm plot visual improvements #1354

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llm plot visual improvements #1354

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40 changes: 36 additions & 4 deletions captum/attr/_core/llm_attr.py
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,8 @@

from typing import Any, Callable, cast, Dict, List, Optional, Tuple, Union

import matplotlib.colors as mcolors

import matplotlib.pyplot as plt
import numpy as np

Expand Down Expand Up @@ -92,13 +94,28 @@ def plot_token_attr(
fig.set_size_inches(
max(data.shape[1] * 1.3, 6.4), max(data.shape[0] / 2.5, 4.8)
)
colors = [
"#93003a",
"#d0365b",
"#f57789",
"#ffbdc3",
"#ffffff",
"#a4d6e1",
"#73a3ca",
"#4772b3",
"#00429d",
]

im = ax.imshow(
data,
vmax=max_abs_attr_val,
vmin=-max_abs_attr_val,
cmap="RdYlGn",
cmap=mcolors.LinearSegmentedColormap.from_list(
name="colors", colors=colors
),
aspect="auto",
)
fig.set_facecolor("white")

# Create colorbar
cbar = fig.colorbar(im, ax=ax) # type: ignore
Expand Down Expand Up @@ -154,22 +171,37 @@ def plot_seq_attr(

data = self.seq_attr.cpu().numpy()

fig.set_size_inches(max(data.shape[0] / 2, 6.4), max(data.shape[0] / 4, 4.8))

shortened_tokens = [
shorten(t, width=50, placeholder="...") for t in self.input_tokens
]
ax.set_xticks(range(data.shape[0]), labels=shortened_tokens)

ax.tick_params(top=True, bottom=False, labeltop=True, labelbottom=False)

plt.setp(ax.get_xticklabels(), rotation=-30, ha="right", rotation_mode="anchor")
plt.setp(
ax.get_xticklabels(),
rotation=-30,
ha="right",
rotation_mode="anchor",
)

fig.set_facecolor("white")

# pos bar
ax.bar(
range(data.shape[0]), [max(v, 0) for v in data], align="center", color="g"
range(data.shape[0]),
[max(v, 0) for v in data],
align="center",
color="#4772b3",
)
# neg bar
ax.bar(
range(data.shape[0]), [min(v, 0) for v in data], align="center", color="r"
range(data.shape[0]),
[min(v, 0) for v in data],
align="center",
color="#d0365b",
)

ax.set_ylabel("Sequence Attribuiton", rotation=90, va="bottom")
Expand Down
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