# clustering_crowds.py
from sklearn.cluster import DBSCAN
import pandas as pd

df = pd.read_csv("location_logs.csv")
X = df[['latitude', 'longitude']]
model = DBSCAN(eps=0.0003, min_samples=10).fit(X)

df['cluster'] = model.labels_
df.to_csv("crowd_zones.csv", index=False)