beter clusters and qol

This commit is contained in:
2025-08-11 03:04:50 +01:00
parent 647111e9d3
commit 2b8659fc95
5 changed files with 234 additions and 15 deletions

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@@ -9,9 +9,136 @@ from sklearn.mixture import GaussianMixture
from sklearn.preprocessing import StandardScaler
from sklearn.metrics import silhouette_score, calinski_harabasz_score
import hdbscan
import pandas as pd
from collections import Counter
import re
from config import DEFAULT_RANDOM_STATE
def summarize_cluster_content(cluster_messages, max_words=3):
"""
Generate a meaningful name for a cluster based on its message content.
Args:
cluster_messages: List of message contents in the cluster
max_words: Maximum number of words in the cluster name
Returns:
str: Generated cluster name
"""
if not cluster_messages:
return "Empty Cluster"
# Combine all messages and clean text
all_text = " ".join([str(msg) for msg in cluster_messages if pd.notna(msg)])
if not all_text.strip():
return "Empty Content"
# Basic text cleaning
text = all_text.lower()
# Remove URLs, mentions, and special characters
text = re.sub(r'http[s]?://\S+', '', text) # Remove URLs
text = re.sub(r'<@\d+>', '', text) # Remove Discord mentions
text = re.sub(r'<:\w+:\d+>', '', text) # Remove custom emojis
text = re.sub(r'[^\w\s]', ' ', text) # Remove punctuation
text = re.sub(r'\s+', ' ', text).strip() # Normalize whitespace
if not text:
return "Special Characters"
# Split into words and filter out common words
words = text.split()
# Common stop words to filter out
stop_words = {
'the', 'a', 'an', 'and', 'or', 'but', 'in', 'on', 'at', 'to', 'for', 'of', 'with',
'by', 'from', 'up', 'about', 'into', 'through', 'during', 'before', 'after',
'above', 'below', 'between', 'among', 'until', 'without', 'under', 'over',
'is', 'are', 'was', 'were', 'be', 'been', 'being', 'have', 'has', 'had',
'do', 'does', 'did', 'will', 'would', 'could', 'should', 'may', 'might',
'i', 'you', 'he', 'she', 'it', 'we', 'they', 'me', 'him', 'her', 'us', 'them',
'my', 'your', 'his', 'her', 'its', 'our', 'their', 'this', 'that', 'these', 'those',
'just', 'like', 'get', 'know', 'think', 'see', 'go', 'come', 'say', 'said',
'yeah', 'yes', 'no', 'oh', 'ok', 'okay', 'well', 'so', 'but', 'if', 'when',
'what', 'where', 'why', 'how', 'who', 'which', 'than', 'then', 'now', 'here',
'there', 'also', 'too', 'very', 'really', 'pretty', 'much', 'more', 'most',
'some', 'any', 'all', 'many', 'few', 'little', 'big', 'small', 'good', 'bad'
}
# Filter out stop words and very short/long words
filtered_words = [
word for word in words
if word not in stop_words
and len(word) >= 3
and len(word) <= 15
and word.isalpha() # Only alphabetic words
]
if not filtered_words:
return f"Chat ({len(cluster_messages)} msgs)"
# Count word frequencies
word_counts = Counter(filtered_words)
# Get most common words
most_common = word_counts.most_common(max_words * 2) # Get more than needed for filtering
# Select diverse words (avoid very similar words)
selected_words = []
for word, count in most_common:
# Avoid adding very similar words
if not any(word.startswith(existing[:4]) or existing.startswith(word[:4])
for existing in selected_words):
selected_words.append(word)
if len(selected_words) >= max_words:
break
if not selected_words:
return f"Discussion ({len(cluster_messages)} msgs)"
# Create cluster name
cluster_name = " + ".join(selected_words[:max_words]).title()
# Add message count for context
cluster_name += f" ({len(cluster_messages)})"
return cluster_name
def generate_cluster_names(filtered_df, cluster_labels):
"""
Generate names for all clusters based on their content.
Args:
filtered_df: DataFrame with message data
cluster_labels: Array of cluster labels for each message
Returns:
dict: Mapping from cluster_id to cluster_name
"""
if cluster_labels is None:
return {}
cluster_names = {}
unique_clusters = np.unique(cluster_labels)
for cluster_id in unique_clusters:
if cluster_id == -1:
cluster_names[cluster_id] = "Noise/Outliers"
continue
# Get messages in this cluster
cluster_mask = cluster_labels == cluster_id
cluster_messages = filtered_df[cluster_mask]['content'].tolist()
# Generate name
cluster_name = summarize_cluster_content(cluster_messages)
cluster_names[cluster_id] = cluster_name
return cluster_names
def apply_clustering(embeddings, clustering_method="None", n_clusters=5):
"""
Apply clustering algorithm to embeddings and return labels and metrics.