File size: 17,443 Bytes
87c83ab 9c2558f 87c83ab 148c712 87c83ab 148c712 889ab6a 148c712 889ab6a 87c83ab 3bf7bf3 87c83ab 8dd9b7b 87c83ab af2035f cb63bef 87c83ab 8dd9b7b 87c83ab 8dd9b7b 87c83ab 889ab6a 87c83ab 889ab6a 87c83ab cb63bef 87c83ab cb63bef 87c83ab cb63bef 87c83ab c38363b 87c83ab 621a5a4 87c83ab cb63bef 87c83ab cb63bef 87c83ab cb63bef 87c83ab c38363b f8cfd7b 87c83ab f8cfd7b c38363b f8cfd7b c38363b f8cfd7b 87c83ab f8cfd7b 87c83ab f8cfd7b cb63bef f8cfd7b 87c83ab f8cfd7b 87c83ab c38363b 87c83ab 621a5a4 87c83ab 621a5a4 87c83ab 621a5a4 87c83ab 621a5a4 c38363b 87c83ab 621a5a4 87c83ab af2035f 621a5a4 f8cfd7b 621a5a4 87c83ab c38363b 621a5a4 87c83ab 621a5a4 87c83ab 8dd9b7b 621a5a4 3bf7bf3 224f15f 621a5a4 8dd9b7b 621a5a4 af193be 621a5a4 87c83ab 621a5a4 c38363b 621a5a4 87c83ab 9c2558f 621a5a4 9c2558f 621a5a4 846ae7b 621a5a4 846ae7b 9c2558f 621a5a4 87c83ab cb63bef |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 |
"""
App for plotting confusion matrix with `cvms::plot_confusion_matrix()`.
"""
import pathlib
import tempfile
from PIL import Image
import streamlit as st # Import last
import pandas as pd
from pandas.api.types import is_float_dtype
from itertools import combinations
from utils import (
call_subprocess,
clean_string_for_non_alphanumerics,
clean_str_column,
min_max_scale_list,
)
from data import read_data, read_data_cached, DownloadHeader, generate_data
from design import design_section
from text_sections import (
intro_text,
columns_text,
upload_predictions_text,
upload_counts_text,
generate_data_text,
enter_count_data_text,
)
st.markdown(
"""
<style>
.small-font {
font-size:0.85em !important;
}
</style>
""",
unsafe_allow_html=True,
)
# Create temporary directory
@st.cache_resource
def set_tmp_dir():
"""
Must cache to avoid regenerating!
Must be the same throughout the iterations!
"""
temp_dir = tempfile.TemporaryDirectory()
return temp_dir, temp_dir.name
temp_dir, temp_dir_path = set_tmp_dir()
gen_data_store_path = pathlib.Path(f"{temp_dir_path}/generated_data.csv")
data_store_path = pathlib.Path(f"{temp_dir_path}/data.csv")
design_settings_store_path = pathlib.Path(f"{temp_dir_path}/design_settings.json")
conf_mat_path = pathlib.Path(f"{temp_dir_path}/confusion_matrix.png")
def input_choice_callback():
"""
Resets steps to 0.
Used when switching between input methods.
"""
st.session_state["step"] = 0
st.session_state["input_type"] = None
st.session_state["num_resets"] = 0
to_delete = ["classes", "count_data", "uploaded_design_settings"]
for key in to_delete:
if key in st.session_state:
st.session_state.pop(key)
# Remove old tmp files
if gen_data_store_path.exists():
gen_data_store_path.unlink()
if data_store_path.exists():
data_store_path.unlink()
if conf_mat_path.exists():
conf_mat_path.unlink()
# Allows design settings to show
st.session_state["design_reset_mode"] = False
# Text
intro_text()
# Start step counter
# Required to make dependent forms work
if st.session_state.get("step") is None:
st.session_state["step"] = 0
input_choice = st.radio(
label="Input Choice",
label_visibility="hidden",
key="InputChoice",
options=["Upload predictions", "Upload counts", "Generate", "Enter counts"],
index=0,
horizontal=True,
on_change=input_choice_callback,
)
if st.session_state.get("input_type") is None:
if input_choice in ["Upload predictions", "Generate"]:
st.session_state["input_type"] = "data"
else:
st.session_state["input_type"] = "counts"
# Load data
if input_choice == "Upload predictions":
with st.form(key="data_form"):
upload_predictions_text()
data_path = st.file_uploader("Upload a dataset", type=["csv"])
if st.form_submit_button(label="Use data"):
if data_path:
st.session_state["step"] = 1
else:
st.session_state["step"] = 0
st.markdown(
"Please upload a file first (or **generate** some random data to try the function)."
)
if st.session_state["step"] >= 1:
# Read and store (tmp) data
df = read_data_cached(data_path)
with st.form(key="column_form"):
columns_text()
target_col = st.selectbox("Targets column", options=list(df.columns))
prediction_col = st.selectbox(
"Predictions column", options=list(df.columns)
)
if st.form_submit_button(label="Set columns"):
st.session_state["step"] = 2
# Load data
elif input_choice == "Upload counts":
with st.form(key="data_form"):
upload_counts_text()
data_path = st.file_uploader("Upload your counts", type=["csv"])
if st.form_submit_button(label="Use counts"):
if data_path:
st.session_state["step"] = 1
else:
st.session_state["step"] = 0
st.write("Please upload a file first.")
if st.session_state["step"] >= 1:
# Read and store (tmp) data
st.session_state["count_data"] = read_data_cached(data_path)
with st.form(key="column_form"):
columns_text()
target_col = st.selectbox(
"Targets column", options=list(st.session_state["count_data"].columns)
)
prediction_col = st.selectbox(
"Predictions column",
options=list(st.session_state["count_data"].columns),
)
n_col = st.selectbox(
"Counts column", options=list(st.session_state["count_data"].columns)
)
sub_col = st.selectbox(
"Sub column",
options=["--"] + list(st.session_state["count_data"].columns),
help="Optional! This column will replace the bottom text in the middle of the tiles.",
)
if st.form_submit_button(label="Set columns"):
st.session_state["step"] = 2
if st.session_state["step"] >= 2:
# Ensure targets and predictions are clean strings
st.session_state["count_data"][target_col] = clean_str_column(
st.session_state["count_data"][target_col]
)
st.session_state["count_data"][prediction_col] = clean_str_column(
st.session_state["count_data"][prediction_col]
)
st.session_state["classes"] = sorted(
[c for c in st.session_state["count_data"][target_col].unique()]
)
# Generate data
elif input_choice == "Generate":
def reset_generation_callback():
p = pathlib.Path(gen_data_store_path)
if p.exists():
p.unlink()
with st.form(key="generate_form"):
generate_data_text()
col1, col2, col3 = st.columns(3)
with col1:
num_classes = st.number_input(
"# Classes",
value=3,
min_value=2,
help="Number of classes to generate data for.",
)
with col2:
num_observations = st.number_input(
"# Observations",
value=30,
min_value=2,
max_value=10000,
help="Number of observations to generate data for.",
)
with col3:
seed = st.number_input("Random Seed", value=42, min_value=0)
if st.form_submit_button(
label="Generate data", on_click=reset_generation_callback
):
st.session_state["step"] = 2
if st.session_state["step"] >= 2:
generate_data(
out_path=gen_data_store_path,
num_classes=num_classes,
num_observations=num_observations,
seed=seed,
)
df = read_data(gen_data_store_path)
target_col = "Target"
prediction_col = "Predicted Class"
elif input_choice == "Enter counts":
def repopulate_matrix_callback():
if "count_data" not in st.session_state:
if "count_data" in st.session_state:
st.session_state.pop("count_data")
with st.form(key="enter_classes_form"):
enter_count_data_text()
classes_joined = st.text_input("Classes (comma-separated)")
if st.form_submit_button(
label="Populate matrix", on_click=repopulate_matrix_callback
):
# Extract class names from comma-separated list
# TODO: Allow white space in classes?
st.session_state["classes"] = [
clean_string_for_non_alphanumerics(s) for s in classes_joined.split(",")
]
# Calculate all pairs of predictions and targets
all_pairs = list(combinations(st.session_state["classes"], 2))
all_pairs += [(pair[1], pair[0]) for pair in all_pairs]
all_pairs += [(c, c) for c in st.session_state["classes"]]
# Prepopulate the matrix
st.session_state["count_data"] = pd.DataFrame(
all_pairs, columns=["Target", "Prediction"]
)
st.session_state["count_data"]["Sub"] = ""
st.session_state["count_data"]["N"] = 0
st.session_state["step"] = 1
if st.session_state["step"] >= 1:
with st.form(key="enter_counts_form"):
st.write(
"Fill in the counts by pressing each cell in the `N` column and inputting the counts. "
)
st.markdown(
"(**Optional**) If you wish to specify the bottom text in the middle of the tiles, "
"you can fill in the `Sub` column.",
help="The `sub` column text replaces the bottom text (counts by default). "
"The design settings for the replaced element (e.g. counts) are used for this text instead.",
)
st.info(
"Note: Please click outside the cell before "
"pressing `Generate data` to register your change."
)
new_counts = st.data_editor(
st.session_state["count_data"],
hide_index=True,
column_config={
"Target": st.column_config.TextColumn(disabled=True),
"Prediction": st.column_config.TextColumn(disabled=True),
"Sub": st.column_config.TextColumn(
help="This text replaces the bottom text (in the middle of the tiles). "
"By default, the counts are replaced. "
"Note that the settings for this text are named "
"by the text element it replaces (e.g. **Fonts**>>*Counts*)."
),
"N": st.column_config.NumberColumn(
disabled=False, min_value=0, step=1
),
},
)
if st.form_submit_button(
label="Generate data",
):
st.session_state["count_data"] = new_counts
st.session_state["step"] = 2
if st.session_state["step"] >= 2:
DownloadHeader.header_and_data_download(
"",
data=st.session_state["count_data"],
file_name="confusion_matrix_counts.csv",
label="Download counts",
help="Download counts",
col_sizes=[10, 3],
)
target_col = "Target"
prediction_col = "Prediction"
n_col = "N"
sub_col = "Sub" if any(st.session_state["count_data"]["Sub"]) else None
if st.session_state["step"] >= 2:
data_is_ready = False
if st.session_state["input_type"] == "data":
# Remove unused columns
df = df.loc[:, [target_col, prediction_col]]
predictions_are_probabilities = is_float_dtype(df[prediction_col])
if predictions_are_probabilities:
st.error(
"Predictions should be the predicted classes - not probabilities. "
)
data_is_ready = False
else:
data_is_ready = True
if data_is_ready:
# Ensure targets and predictions are clean strings
df[target_col] = clean_str_column(df[target_col])
df[prediction_col] = clean_str_column(df[prediction_col])
# Save to tmp directory to allow reading in R script
df.to_csv(data_store_path, index=False)
# Extract unique classes
st.session_state["classes"] = sorted(
[str(c) for c in df[target_col].unique()]
)
st.subheader("The data")
col1, col2, col3 = st.columns([3, 2, 3])
with col2:
st.dataframe(df.head(5), hide_index=True)
st.write(f"{df.shape} (Showing first 5 rows)")
else:
count_data_clean = st.session_state["count_data"].copy()
if not any(count_data_clean["Sub"]):
del count_data_clean["Sub"]
count_data_clean.to_csv(data_store_path, index=False)
data_is_ready = True
if data_is_ready:
# Check the number of classes
num_classes = len(st.session_state["classes"])
if num_classes < 2:
# TODO Handle better than throwing error?
raise ValueError(
"Uploaded data must contain 2 or more classes in `Targets column`. "
f"Got {num_classes} target classes."
)
# Section for specifying design settings
design_ready, selected_classes = design_section(
num_classes=num_classes,
design_settings_store_path=design_settings_store_path,
)
# design_ready tells us whether to proceed or wait
# for user to fix issues
if st.session_state["step"] >= 3 and design_ready:
DownloadHeader.centered_json_download(
data=st.session_state["selected_design_settings"],
file_name="design_settings.json",
label="Download design settings (*Generate first!*)",
help="Download the design settings to allow reusing settings in future plots. "
"Press `Generate plot` before downloading to include all the latest design changes.",
)
st.markdown("---")
selected_classes_string = ",".join([f"'{c}'" for c in selected_classes])
plotting_args = [
"--data_path",
f"'{data_store_path}'",
"--out_path",
f"'{conf_mat_path}'",
"--settings_path",
f"'{design_settings_store_path}'",
"--target_col",
f"'{target_col}'",
"--prediction_col",
f"'{prediction_col}'",
"--classes",
f"{selected_classes_string}",
]
if "sub_col" in locals() and sub_col is not None and sub_col != "--":
plotting_args += ["--sub_col", f"{sub_col}"]
if st.session_state["input_type"] == "counts":
# The input data are counts
plotting_args += ["--n_col", f"{n_col}", "--data_are_counts"]
plotting_args = " ".join(plotting_args)
call_subprocess(
f"Rscript plot.R {plotting_args}",
message="Plotting script",
return_output=True,
encoding="UTF-8",
)
(
image_col_size,
st.session_state["show_greyscale"],
) = DownloadHeader.slider_and_image_download(
filepath=conf_mat_path,
download_label="Download plot",
slider_label="Zoom",
toggle_label="Show greyscale",
toggle_value=True,
toggle_cols=[10, 1],
slider_help="Zoom in/out to better match the size you expect to have in a paper etc. "
"This affects the font sizes and will likely lead to adjustments of `height` and `width`.",
)
st.session_state["image_col_size"] = (
min_max_scale_list(
x=[image_col_size],
new_min=2.0,
new_max=8.0,
old_min=0.0,
old_max=1.0,
)[0]
if image_col_size <= 1
else min_max_scale_list(
x=[image_col_size],
new_min=8.0,
new_max=23.0,
old_min=1.0,
old_max=2.0,
)[0]
)
col1, col2, col3 = st.columns([2, st.session_state["image_col_size"], 2])
with col2:
st.write(" ")
st.write(" ")
image = Image.open(str(conf_mat_path)[:-3] + "jpg")
st.image(
image,
caption="Confusion Matrix",
clamp=False,
channels="RGB",
output_format="auto",
)
if st.session_state["show_greyscale"]:
# Convert the image to grayscale
st.write(" ")
image = image.convert("CMYK").convert("L")
st.image(
image,
caption="Greyscale version for assessing colors in print",
clamp=False,
channels="RGB",
output_format="auto",
)
st.write(" ")
st.write("Note: The downloadable file has a transparent background.")
else:
st.write("Please upload data.")
# Spacing
for _ in range(5):
st.write(" ")
st.markdown("---")
st.write()
col1, col2, col3, _ = st.columns([6, 3, 3, 3])
with col1:
st.write("Developed by [Ludvig Renbo Olsen](http://ludvigolsen.dk)")
with col2:
st.markdown("[Report issues](https://github.com/LudvigOlsen/cvms_plot_app/issues)")
with col3:
st.markdown("[Source code](https://github.com/LudvigOlsen/cvms_plot_app/)")
|