Secondary analysis of electronic health records written with the aim of promoting an inter disciplinary and ethical approach to health data analytics teaches how all clinicians with the help of data scientists will share the responsibility of growing the knowledge shows how big data in . Secondary analysis of electronic health records authors view affiliations mit critical data data extraction and preprocessing data mining decision and cost effectiveness analysis diagnostic and therap electronic health records intensive care and emergency medicine learning healthcare system machine learning medical internet research . Secondary analysis of electronic health records january 2016 doi 101007 978 3 319 43742 2 biobanks linked to electronic health records provide rich resources for health related research . Learning objectives o understand the requirements for a clean database that is tidy and ready for use in statistical analysis o understand the steps of cleaning raw data integrating data reducing and reshaping data o be able to apply basic