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Secondary data refers to data that is collected by someone other than the primary user. [1] Common sources of secondary data for social science include censuses , information collected by government departments, organizational records and data that was originally collected for other research purposes. [ 2 ]
In scholarship, a secondary source [1] [2] is a document or recording that relates or discusses information originally presented elsewhere. A secondary source contrasts with a primary, or original, source of the information being discussed.
Secondary research is contrasted with primary research in that primary research involves the generation of data, whereas secondary research uses primary research sources as a source of data for analysis. [1] A notable marker of primary research is the inclusion of a "methods" section, where the authors describe how the data was generated.
Among genealogists, a primary source comes from a direct witness, a secondary source comes from second-hand information or hearsay told to others by witnesses, and tertiary sources can represent either a further link in the chain or an analysis, summary, or distillation of primary and/or secondary sources. In this system, an elderly woman's ...
These three databases are primary databases, as they house original sequence data. They collaborate with Sequence Read Archive (SRA), which archives raw reads from high-throughput sequencing instruments. Secondary databases are: [clarification needed] 23andMe's database; HapMap; OMIM (Online Mendelian Inheritance in Man): inherited diseases; RefSeq
A data library, data archive, or data repository is a collection of numeric and/or geospatial data sets for secondary use in research. A data library is normally part of a larger institution (academic, corporate, scientific, medical, governmental, etc.). established for research data archiving and to serve the data users of that organisation.
Secondary sources are not necessarily independent sources. They rely on primary sources for their material, making analytic or evaluative claims about them. [f] For example, a review article that analyzes research papers in a field is a secondary source for the research. [g] Whether a source is primary or secondary depends on context. A book by ...
But to a historian, the primary data from a census are the questionnaires or the primary recordings of the survey data in registers, or the equivalents, and the census report itself is a secondary source reflecting the published analysis, synthesis and reporting of the census by experts.