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Method and device for improving data quality

A technology of data quality and data value, applied in the field of data statistics, can solve problems such as inaccurate financial cost accounting and management personnel's decision-making mistakes, and achieve the effects of enhancing capabilities, improving data accuracy, and reducing errors

Active Publication Date: 2019-12-24
GUANGDONG IDATATECH CO LTD
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Problems solved by technology

Inaccurate data will not only cause inaccurate financial cost accounting, but also lead to major mistakes in decision-making by managers

Method used

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  • Method and device for improving data quality
  • Method and device for improving data quality

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Embodiment Construction

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0030] In the embodiment of the method and device for improving data quality in the present invention, the flow chart of the method for improving data quality is as follows figure 1 shown. figure 1 Among them, the method for improving data quality includes the following steps:

[0031] Step S01 scans all the data tables in the database to find the fields with the same field names, and the program automatically generates associated pairs for the fields with th...

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Abstract

The invention discloses a method and device for improving data quality. The method comprises the steps that scanning on all data tables in a database is conducted, the fields with accordant names are found out, and a procedure automatically generates correlated pairs of the fields with the accordant names; whether the generated correlated pairs are bigger than or equal to the set number of pairs or not is determined, if yes, data values in the data tables are obtained according to key values in the correlated pairs are obtained; if no, returning to the previous step; weight values of all the obtained data values are calculated, and the data value with the highest weight value is adopted as a reliable data according to the calculated result; when a user demands or the procedure cannot make an automatic judgment, a system generates a table of automatic comparison, and sends the calculated result to the user in a way of statement, and a final correct data value is obtained through manual verification of the user. According to the method and device for improving data quality, data accuracy can be improved, data quality can be optimized, quality of data statistics business work is improved and management decision can be achieved.

Description

technical field [0001] The invention relates to the field of data statistics, in particular to a method and device for improving data quality. Background technique [0002] At this stage, the statistical data in the database is far from the actual situation, the accuracy of the data is low, and there are problems such as missing and errors in the actual data, which seriously affect the data quality. Especially when the paper version information is entered manually, there will be problems such as wrong filling or missing. Secondly, due to the unreasonable system design, it is difficult to control the degree of program control. For example, two forms of the same nature have different contents filled in different systems, or the required contents in one form are missing in the other form. , resulting in inaccurate data. Currently, there are many factors that contribute to the low quality of the data, making it difficult to guarantee the accuracy of the data. [0003] In addi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F16/215
CPCG06F16/215
Inventor 陈乐华涂继来黄晓晖
Owner GUANGDONG IDATATECH CO LTD
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