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Census 2011 round (cens_11r)

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National Reference Metadata in Euro SDMX Metadata Structure (ESMS)

Compiling agency: Statistics Lithuania

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There are no particular reasons for data unreliability for this topic

6 February 2014

The year of arrival is the calendar year in which a person most recently established usual residence in the country. The data for 2011 refer to the time span between 1 January 2011 and the reference date.

The year of arrival is the calendar year in which a person most recently established usual residence in the country. The data for 2011 refer to the time span between 1 January 2011 and the reference date.

Internal coherence is assured by regulations defining breakdowns and definitions of topics (Regulation (EC) No 1201/2009, Regulation (EU) No 519/2010, Regulation (EU) No 1151/2010)

1 March 2011

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For Census questionnaire scanning and symbol recognition, 23 workstations were equipped at Statistics Lithuania, where 6 scanning and 40 symbol recognition operators were working. OCR templates were prepared using ABBYY FlexiCapture 9.0 tools. The software for the recognition of manually entered data was created. The Census questionnaire had about 400 recognisable fields. After Census questionnaires had been scanned, symbol recognition operators checked the symbols recognised against the data entered into the Census questionnaires and corrected the symbols, when needed. Data scanning lasted 7 months, symbol recognition – 6 months.

After the symbol recognition stage, data were coded, corrected, identified, automatic entry of identified data was performed. Data were encoded using classifications, coding manuals and dictionaries. Information was encoded automatically only when it tallied with the information provided in manuals and dictionaries. 99 per cent of wards, 95 per cent of populated localities, 90 per cent of streets, and 24 per cent of occupations were encoded automatically.

After the encoding of data on individuals was finalised, the identification of buildings/dwellings and individuals was performed. Buildings/dwellings were identified according to building/dwelling address, individuals – according to personal number, name, surname, date of birth or address of the place of residence. When buildings/dwellings and individuals had been identified, information on temporarily present persons was arranged, and repeating data on addresses and individuals were removed. Data on temporarily present persons were relocated according to the address of the usual place of residence indicated by the individual.

The specialists of Statistics Lithuania performed the imputation of missing values. To ensure data quality, mathematical methods were used. 1.45 per cent of entries were imputed for the following indicators: place of birth,  education,  sources of livelihood,  year of construction of the building, useful floor area of the dwelling, number of rooms, kitchen, conveniences, water supply, sewage disposal, main type of heating.

Counts of statistical units

The data for the HC01-HC60 were transmitted on 31 March 2013.

The statistical information is comparable across the EU.