Statistical Terms Glossary

An algorithm for computing historical fishing mortality rates and stock sizes by age, conditioned on catches, natural mortality, and certain assumptions about mortality for the last year and last age group. A VPA essentially reconstructs the history of each cohort, assuming that the observed catches are exact and known without error.

A system configuration, where the subscriber is able to build a private network via connections to different network switches that may include private network capabilities.

The ability for users to access the sights and sounds of remotely located complex systems in real-time.

Virtual water is the water “embodied” in an agricultural or industrial product, not in real sense, but in virtual sense. It refers to the water needed for the production of the product. If a country exports such a product, it exports water in virtual form.

The process of adding a "guest application" and data onto a "virtual server," recognizing that the guest application will ultimately part company from this physical server.

Established in 1991 in Visegrad, Hungary, to promote cooperation in Central Europe.

Is an organization's process of defining its strategy, or direction, and making decisions on allocating its resources to pursue this strategy, including its capital and people. Various business analysis techniques can be used in strategic planning, including SWOT analysis (Strengths, Weaknesses, Opportunities, and Threats ), PEST analysis (Political, Economic, Social, and Technological), STEER analysis (Socio-cultural, Technological, Economic, Ecological, and Regulatory factors), and EPISTEL (Environment, Political, Informatic, Social, Technological, Economic and Legal).

Visitor consumption is the basic concept measuring tourism activity and refers to total consumption of or on behalf of visitors and could, consequently, also be termed as "visitor demand".

See Visitor consumption.

The persons referred to in the definition of tourism are termed “visitors”: “Any person travelling to a place other than that of his/her usual environment for less than 12 months and whose main purpose of trip is other than the exercise of an activity remunerated from within the place visited” (Recommendations on Tourism Statistics, Part One, para. 20)

Visitors (from abroad to the country) are persons who do not reside in the country of arrival and who are admitted for short stays for purposes of leisure, recreation, holidays; visits to friends or relatives; business or professional activities not remunerated from within the receiving country; health treatment; or religious pilgrimages. Visitors include excursionists, tourists and business travelers.

A Function of a Business Process which is critical to the success of the Business. Vital Business Functions are an important consideration of Business Continuity Management, IT Service Continuity Management and Availability Management.

A live birth, death, foetal death, marriage, divorce, adoption, legitimation, recognition of parenthood, annulment of marriage or legal separation.

Is a legal document entered in the civil register which attests to the occurrence and characteristics of a vital event.

Is a document or form, containing the items of information concerning an individual vital event or a number of vital events of the same type, filled in at the time of registration, to meet the needs of vital statistics compilation.

Are information systematically collected and compiled in numerical form, relating to or derived from vital event records.

Vitamin A and D drops, given to children from birth until 1 year of.

Viticulture refers to the process of growing grapes, whereas viniculture and oenological practices refer to wine production. Includes: viniculture, authorized oenological practices, wine, vine growing, grape culture, grafted vines, grape areas, spacing of vines, pruning, vine nursery, vineyard, spirits and other by-products of wine industry, natural and carbonated sparkling wines, appellation of origin, etc.

Education programmes that are designed for learners to acquire the knowledge, skills and competencies specific to a particular occupation, trade, or class of occupations or trades. Vocational education may have work-based components (e.g. apprenticeships, dual-system education programmes). Successful completion of such programmes leads to labour market-relevant vocational qualifications acknowledged as occupationally-oriented by the relevant national authorities and/or the labour market.

Vocational education prepares participants for direct entry, without further training, into specific occupations. Successful completion of such programmes leads to a labour-market relevant vocational qualification. Some indicators divide vocational programmes into school-based programmes and combined school and work-based programmes on the basis of the amount of training that is provided in school as opposed to training in the workplace.

Includes ability testing, work adjustment measures and training other than ordinary labour market training.

Programmes designed to restore or develop the capabilities of people with disabilities to secure, retain and advance in suitable employment – for example, job training, job counselling, and job placement services.

Vocational training comprises activities intended to provide the skills, knowledge, competencies, and attitudes required for employment in a particular occupation, or a group of related occupations, in any field of economic activity. By equipping groups that are discriminated against with the skills needed to improve their employability, productivity, and income, vocational training can play an important role in promoting equality of opportunities for all workers to obtain decent work.

The 3GPP has defined the Voice Call Continuity (VCC) specifications in order to describe how a voice call can be persisted, as a mobile phone moves between circuit switched and packet switched radio domains (3GPP TS 23.206).