1.1 E-commerce operation cognition.mp4+ 1.2 Data operation cognition of e-commerce.mp4+ 2.1 Data analysis target formulation.mp4+ 2.2 Data analysis index formulation.mp4+ 2.3 Data collection channel and tool.mp4+ 2.4 Data acquisition and processing.mp4+ 3.1 Industry data analysis.mp4+ 3.2 Competition data analysis.mp4+ 4.1 Customer data analysis.mp4+ 4.2 Promotes the data analysis.mp4+ 4.3 Sales data analysis.mp4+ 4.4 Supply chain data analysis.mp4+ 5.1 Product industry data analysis.mp4+ 5.2 product capability data analysis.mp4+ 6.1 Data monitoring.mp4+ 6.2 Data Analysis Report Preparation.mp4+