Deep knowledge of Time Series Analysis for 

Forecasting techniques to predict sales, stock prices, demand for products, or any other time-dependent variable. 

Analyze economic indicators, stock market data, interest rates, and other financial variables to understand trends and make predictions. 

Operations research - for optimizing operations and improving efficiency.

Demand analysis and supply chain management - By analyzing historical sales data and other relevant factors, I can predict future demand and optimize inventory levels, production schedules, and distribution strategies.

Anomaly detection, and Environmental and climatological analysis.
further knowledge of Cluster Analysis, Factor Analysis, and Principal Component Analysis.