End-to-end research refers to a holistic approach in research where all aspects of a system or process are taken into consideration, from start to finish. This includes all stages of the research process, from problem identification and data collection to analysis, interpretation, and application of findings. End-to-end research aims to provide a comprehensive understanding of a topic or issue by examining it from multiple perspectives and considering all potential variables and factors that may influence the outcome. By taking a complete and thorough approach, end-to-end research seeks to provide more accurate and insightful results that can be effectively applied in real-world situations.