110 items found

Formats: Shared Definition Tags: Data processing and analysis

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  • GlossaryTerm

    Semantics

    Semantics is the linguistic and philosophical study of meaning, in language, programming languages, formal logics, and semiotics. It is concerned with the relationship between...
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  • GlossaryTerm

    Decision Analysis

    Application of quantitative methods to decision-making.
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  • GlossaryTerm

    Data Interoperability (Surveillance)

    The process of assuring interoperability of data is focused on making sure that data can be processed by different systems. Differently from data standardisation, there is no...
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  • GlossaryTerm

    Variant detection

    NGS is frequently used to identify mutations in DNA samples from individual patients or experimental organisms. Sequencing can be done at the whole-genome scale; RNA-seq, which...
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  • GlossaryTerm

    Consensus Sequence

    When two or more DNA sequences are aligned, the overlapping portions can be combined to create a single consensus sequence. In positions where all overlapping sequences have the...
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  • GlossaryTerm

    Multivariate

    several dependant variables
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  • GlossaryTerm

    Sensitivity

    sensitivity is the probability that a test correctly classifies positive individuals who have preclinical disease. Sensivity is expressed as a percentage: The number of...
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  • GlossaryTerm

    Bias

    The extent to which a prevalence estimate produced by the surveillance system deviates from the value of the true prevalence . Bias is reduced as representativeness is increased.
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  • GlossaryTerm

    Structural Interoperability

    Structural interoperability is an intermediate level that defines the structure or format of data exchange (i.e., the message format standards) where there is uniform movement...
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  • GlossaryTerm

    Dendrogram

    A branching chart that indicates the evolutionary lineage or genetic relatedness of organisms
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  • GlossaryTerm

    Data Pseudomysation

    The processing of personal data in such a way that the data can no longer be attributed to a specific data subject without the use of additional information, as long as such...
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  • GlossaryTerm

    Data Standard

    Data standards are documented agreements on representation, format, definition, structuring, tagging, transmission, manipulation, use, and management of data.
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  • GlossaryTerm

    Data completeness and correctness

    The proportion of data that were intended to be collected that actually was collected and the proportion of data entries that correctly reflect the true value of the data...
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  • GlossaryTerm

    Metadata Standard

    A metadata standard is a requirement which is intended to establish a common understanding of the meaning or semantics of the data, to ensure correct and proper use and...
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  • GlossaryTerm

    Controlled Vocabulary

    A collection of clearly defined, mutually exclusive, and exhaustive terms, which are the only choices for usage in a specific surveillance context. Compared to ontologies (see...
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  • GlossaryTerm

    Cost

    The evaluation should list and quantify each of the resources required to operate the surveillance system and identify who provides eachresource. These resources could include:...
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  • GlossaryTerm

    Sequence fragment

    A short string of text that represents a portion of a DNA (or RNA) sequence. NGS machines produce short reads that are sequence fragments that are read from DNA fragments.
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  • GlossaryTerm

    Sequence variants

    Differences at specific positions between two aligned sequences. Variants include single-nucleotide polymorphisms (SNPs), insertions and deletions, copy number variants, and...
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  • GlossaryTerm

    Mathematical Modelling

    A mathematical model is an abstract model that uses mathematical language to describe the behaviour of a system.Mathematical models are used particularly in the natural sciences...
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  • GlossaryTerm

    Uncertainty Analysis

    A method used to estimate the uncertainty associated with model inputs, assumptions and structure/form.
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