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Data cleansing

Data cleansing or data cleaning is the process of identifying and correcting (or removing) corrupt, inaccurate, or irrelevant records from a dataset, table, or database. It involves detecting incomplete, incorrect, or inaccurate parts of the data and then replacing, modifying, or deleting the affected data. Data cleansing can be performed interactively…

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Overview

Motivation

Data quality

Process

System

Quality screens

Error event schema

Advanced semantic analysis

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Map overview Semantic statistics

Data cleansing

Nodes59
Edges58
Triples56
Avg. degree1.97
Density0.033898
Components1

How this topic connects Entity context

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Data cleansing

Top relations

related to Data quality · 37
Data cleansing → Accuracy, Boolean, Certain, Completeness, Consistency, Cross-field, Data, Data-Type Constraints, Female, Fixing, For, Foreign-key, High-quality, In, Incompleteness, Inconsistency, Male, Mandatory Constraints, No, Non-Binary
related to Quality screens · 12
Data cleansing → An, Business, Column, Error Event Schema, NULL, Part, Quality, Structure, Testing, The, These, They
related to Criticism of existing tools and processes · 2
Data cleansing → Most, Project
related to System · 2
Data cleansing → The, This

Important terminology Word statistics

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Important terminology

data cleansing set may values example also constraints must quality process database column system one cleaning validation table certain workflow

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Microsoft Access or File Maker Pro will also let you perform such checksinstance ofMicrocomputer database packages0.80text
on a constraint-by-constraint basisinstance ofMicrocomputer database packages0.80text
interactively with little or no programming required in many cases.Workflow specificationinstance ofMicrocomputer database packages0.80text
Data cleansingrelated to Criticism of existing tools and processesMost0.60section
Data cleansingrelated to Criticism of existing tools and processesProject0.60section
Data cleansingrelated to Data qualityHigh-quality0.60section
Data cleansingrelated to Data qualityThose0.60section
Data cleansingrelated to Data qualityValidity0.60section
Data cleansingrelated to Data qualityThe0.60section
Data cleansingrelated to Data qualitySee0.60section
Data cleansingrelated to Data qualityWhen0.60section
Data cleansingrelated to Data qualityData0.60section

Related concept clusters Concept neighborhoods

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    Min side: 3
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