Core Insights - The article discusses the impact of knowledge spillover on total factor productivity through digital transformation and agglomeration networks among companies [1][3][4] Group 1: Knowledge Spillover Metrics - Specialized knowledge spillover (SK_Spillover) is measured by the knowledge spillover effect from companies within the same industry located within a 50 km radius, indicating stronger effects with larger values [1][3] - Diversified knowledge spillover (DK_Spillover) is calculated similarly but includes companies from different industries within the same 50 km range [1][4] Group 2: Data and Sample Size - The study includes over 10,000 samples from 1,343 companies, with nearly 3,000 non-zero effective values for specialized knowledge spillover and over 10,000 for diversified knowledge spillover [1] - The data encompasses original data, calculation codes, and final results, allowing for verification of accuracy [1] Group 3: Mechanism Examination - The mechanism examination shows that digital transformation enhances the effectiveness of knowledge production and transfer among companies, facilitating rapid exchange of social information and knowledge [3][4] - The results indicate that both digital transformation and agglomeration networks significantly promote diversified knowledge spillover, with robust effects even after addressing endogeneity issues [4] Group 4: Yearly Knowledge Spillover Data - The data table presents yearly values for specialized and diversified knowledge spillover for two companies from 2014 to 2024, showing trends in knowledge spillover over the years [5]