Summary This paper focuses on fraud detection in surveys using Socio-Economic Panel (SOEP) data as an example for testing newly methods proposed here. A statistical theorem referred to as Benford’s Law states that in many sets of numerical data, the significant digits are not uniformly...

Gridded land surface temperature data products are used in climatology on the assumption that contaminating effects from urbanization, land-use change and related socioeconomic processes have been identified and filtered out, leaving behind a “pure” record of climatic change. But several...

Material resources affect the levels of mortality. In cross-sectional relationships income has been found to be positively associated with survival, both within and between countries. Preston (1975, 1976), in particular, using cross-national data for three separate decades of the 20th century,...

In the field of nuclear magnetic resonance imaging, diffusion tensor imaging (DTI) has proven an important method for the characterisation of ultrastructural tissue properties. Yet various technical and biological sources of signal uncertainty may prolong into variables derived from diffusion...

This paper examines the implication of the move to CAPI for data quality by analyzing the conversion from PAPI to CAPI of a subsample of the German Socio-Economic Panel (SOEP) which was done within an experimental design. The 2000 addresses for the sample E of SOEP were split into two subsamples...

At the moment variety of methods and commercial tools are available that can be used to model business systems and implement data integrity constraints through the functionality of active database management systems. Unfortunately, these tools do not support data validation – the...

Dėl įvairių priežasčių duomenų bazėse saugomi duomenys genda, todėl vien riboti įvesti klaidingus duomenis nepakanka. Duomenų kokybė užtikrinama draudžiant įvesti klaidingus duomenis ir tikrinant bei valant duomenų bazėse saugomus duomenis. Klaidingų duomenų įvedimo ribojimai...

Existing time series of the returns on German stocks are either short or have weaknesses. We discuss the problems of creating such a time series and then report our monthly series based on all stocks in the top segment of the Frankfurt Stock Exchange. We compare our return series with the...

This volume presents the results of the Cohort '18 Hungarian Birth Cohort Study as the third output in the research series. The first contained the theoretical, methodological and organizational tasks preceding the prenatal data collection wave. The second volume presented the theoretical...

Supervised machine learning methods, in which no error labels are present, are increasingly popular methods for identifying potential data errors. Such algorithms rely on the tenet of a 'ground truth' in the data, which in other words assumes correctness in the majority of the cases. Points...