2017-05-15 01:31:52 +02:00
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# Vorverarbeitung mit MarcEdit und OpenRefine
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## Beispieldaten von MARC21 in TSV konvertieren
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vgl. Anleitung im vorigen Kapitel
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## Daten in OpenRefine laden
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* Menü Create Project
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* TSV-Datei hochladen
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* In den Optionen "store blank rows" deaktivieren
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## Subfields aufteilen
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Führen Sie folgende Transformationsschritte in OpenRefine durch:
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* column Column / Edit column / Remove this column
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* column Content / Text filter: $
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2017-05-16 10:29:13 +02:00
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* column Content / add column based on this column / Subfields / forEach\(value.split\("$"\),v,get\(v,0\)\).join\("$"\)
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* column Content / edit cells / transform... / forEach\(value.split\("$"\),v,slice\(v,1\)\).join\("$"\)
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2017-05-15 01:31:52 +02:00
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* close text filter
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* column Subfields / edit cells / split multi-valued cells... / $
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* column Content / edit cells / split multi-valued cells... / $
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## Records bilden
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Führen Sie folgende Transformationsschritte in OpenRefine durch:
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2017-05-16 10:29:13 +02:00
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* column Subfields / Facet / customized facets / Facet by blank / false
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* column RecordNumber / edit cells / Fill down
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* column Tags / edit cells / Fill down
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* column Indicators / edit cells / Fill down
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* close facet
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* column RecordNumber / edit cells / Blank down
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* Show: 5 rows
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* Show as: records
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