Update requirements.txt

requirements.txt

@@ -1,18 +1,28 @@
-gradio
-pandas
-numpy
-matplotlib
-seaborn
-plotly
-altair
-bokeh
-pyecharts
-pygal
-dash
-vega_datasets
-statsmodels
-scipy
-scikit-learn
-openai
-requests
-huggingface_hub
+# Core dependencies
+gradio>=4.0.0
+openai>=1.0.0
+numpy>=1.24.0
+pandas>=2.0.0
+
+# Visualization
+matplotlib>=3.7.0
+seaborn>=0.12.0
+plotly>=5.13.0
+
+# Machine Learning & Stats
+scikit-learn>=1.2.0
+statsmodels>=0.14.0
+scipy>=1.10.0
+
+# Data Processing
+python-dotenv>=1.0.0  # for environment variables
+requests>=2.31.0
+
+# ML Pipeline
+imbalanced-learn>=0.11.0
+category_encoders>=2.6.0
+
+# Optional but recommended for enhanced functionality
+jupyter>=1.0.0  # for development
+ipython>=8.0.0  # for better REPL experience
+tqdm>=4.65.0    # for progress bars