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Sistematización del proceso de depuración de los datos en estudios con seguimientos / Bonillo Martín, Albert ; Doménech Massons, José M., dir. (Universitat Autònoma de Barcelona. Departament de Psicobiologia i de Metodologia de Ciències de la Salut) ; Granero, Roser, dir. (Universitat Autònoma de Barcelona. Departament de Psicologia Clínica i de la Salut)
El objetivo principal de esta tesis es realizar un análisis exhaustivo de los errores de tipo lógico que pueden presentarse en los datos ya grabados y aportar un procedimiento sistemático original para detectarlos y corregirlos. [...]
The primary target main purpose of this thesis is to contribute improve data quality with a procedure that allows to detect and to correct errors in the recorded data already recorded. To do this, For it a data cleansing purgingcleansing /depuration/(busca una palabra más técnica en la literatura) process has been designed that is organized in the following phases: 1) reading of the recorded data; 2) depuration/purge cleans of the identifier, guaranteeing that each registry is univocally identified and that is adapted to the referential integrity normal forms of referential integrity of the relational theory; 3) correction of the incidences detected in the indentificador identifier 4) depuration/purge cleans of the skip (¿No hay una palabra más técnica para variable de salto? Esto Lourdes no lo sabrá y yo tampoco) skip variables, 5) correction of the incidences detected in the skip variables, 6) cleans purge/depuration of the other rest of variables of the study, by detecting the incidences contained in the recorded data like that are not known consequence of inconsistencieas (inconsistencies) and missing (desconocidos) values; 7) correction of the detected incidences, introducing whenever it is possible the correct value or assigning to missing value when it is not had this one; and 8) obtaining of a statistic of the errors detected by the data cleansingcleans purge/depuration process and of the unknown/missing values contents in the final data. [...]
Bellaterra : Universitat Autònoma de Barcelona, 2004

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