Data cleaning method for improving accuracy of target data and cleaning system thereof
A target data and data cleaning technology, applied in the database field, can solve the problems of analysis and model practice errors, poor target data quality, etc.
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[0034] The present invention will be described in detail below in conjunction with the accompanying drawings.
[0035] see figure 2 , the present invention provides a schematic structural diagram of a data cleaning system. It includes a database 21 and a server 22, wherein the database 21 includes a data source 211 and a data warehouse 212, and the data source 211 is used for real-time storage of data for business processing by users. Data warehouse 212 is also used to store logical processing models for each target data value:
[0036] Target data volume = f(M1(q1, G1(A1)), M2(q2, G2(A2)), ... Mn(qn, Gn(An)))
[0037] Among them, A1, A2...An are original field items, G1(A1), G2(A2)...Gn(An) are attribute functions reflecting the data attributes in each original field item, q1, q2. ..qn is the weight value of each original field item; M1(q1, G1(A1), M2(q2, G2(A2))..Mn(qn, Gn(An)) is each The influence function of the original field score, f() is a determination function f...
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