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The data may have been used in published texts and statistics elsewhere, and the data could already be promoted in the media or bring in useful personal contacts. Secondary data generally have a pre-established degree of validity and reliability which need not be re-examined by the researcher who is re-using such data. Secondary data is key in ...
This is a list of open-access journals by field. The list contains notable journals which have a policy of full open access. It does not include delayed open access journals, hybrid open access journals, or related collections or indexing services.
Scientific Data is a peer-reviewed open access scientific journal published by Nature Research since 2014. [1] It focuses on descriptions of data sets relevant to the natural sciences , medicine , engineering and social sciences , [ 2 ] which are provided as machine-readable data , complemented with a human oriented narrative.
It does this by representing data as points in a low-dimensional Euclidean space. The procedure thus appears to be the counterpart of principal component analysis for categorical data. [citation needed] MCA can be viewed as an extension of simple correspondence analysis (CA) in that it is applicable to a large set of categorical variables.
International Open Data Day is an annual event that promotes awareness and use of open data. The event takes place globally, usually in February or March. Typical activities include talks, seminars, demonstrations, hackathons, training or the announcement of open data releases or other milestones in open data. In some countries it occurs along ...
Sultan Iskandar Muda International Airport (IATA: BTJ, ICAO: WITT) also called Banda Aceh Airport (Bandar Udara Banda Aceh), is an airport located 13.5 km (1.35 × 10 13 nm; 8.4 mi) southeast of the capital of Aceh province, Banda Aceh.