Data Elements Needed to Define Ontological Concepts Now Required Posted By: NITRC ADMIN - Apr 6, 2015Tool/Resource: NIMH Data Archive / National Database for Autism Research As requested by those using NIMH data for secondary analysis, the NIMH has made over 2500 data elements used in defining ontological concepts as ?required" or "conditionally required" fields for projects contributing shared data to the NIMH Data Archive (NDAR, NDCT, and RDoCdb). These concepts (e.g. Verbal IQ, Expressive Lexicon, Form Perception, etc.), are defined by rules tied directly to values in the data and allow for querying by defining elements across structures using NDAR?s ?Query by Concept? tool. For cases where this data was not collected, a coding system for ?Missing/NA? is in place. Researchers can check their Data Dictionary structure definitions to see these updates and the Missing/NA coding. Contact us at NDAHelp@mail.nih.gov with any questions, comments on the Query by Concept tool, or to suggest a new concept or definition. |
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