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Data missing item filling method and device, computer equipment and storage medium

A computer program and missing item technology, applied in the field of data processing, can solve problems such as inaccurate filling of missing items, and achieve the effect of less time cost and space cost and accurate filling

Pending Publication Date: 2021-04-20
PINGAN PUHUI ENTERPRISE MANAGEMENT CO LTD
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The main purpose of this application is to provide a data gap filling method, device, computer equipment and storage medium, aiming to solve the technical problem of inaccurate filling of gaps

Method used

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  • Data missing item filling method and device, computer equipment and storage medium
  • Data missing item filling method and device, computer equipment and storage medium
  • Data missing item filling method and device, computer equipment and storage medium

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Embodiment Construction

[0053] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

[0054] refer to figure 1 , an embodiment of the present application provides a method for filling data gaps, including the following steps:

[0055] Step S1, acquiring first data, and detecting whether the first data is missing;

[0056] Step S2, if there is a missing item, calculate the number of missing items in the first data;

[0057] Step S3, if the number of missing items belongs to the first preset range [1, N], use a random filling strategy based on Naive Bayesian to fill; wherein, N is a positive integer;

[0058] Step S4, if the number of missing items belongs...

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Abstract

The invention relates to a data missing item filling method, a device, computer equipment and a storage medium. The method comprises the steps: obtaining first data, and detecting whether the first data is missing or not; if the first data is missing, calculating the number of missing items of the first data; if the number of the missing items belongs to a first preset range [1, N], filling by adopting a random filling strategy based on naive Bayes; wherein N is a positive integer; if the number of the missing items belongs to a second preset range [N + 1, M], performing filling by adopting a KNN-based weighted mean filling strategy; wherein M is greater than N + 1, and M is a positive integer; If the number of the missing items belongs to a third preset range [M + 1, + infinity), determining a filling method according to a preset rule. By means of the data missing item filling method and device, the computer equipment and the storage medium, missing item data can be accurately filled.

Description

technical field [0001] The present application relates to the technical field of data processing, in particular to a data gap filling method, device, computer equipment and storage medium. Background technique [0002] In the process of making and analyzing data visualization daily reports, there are often cases where some field dimensions are obviously abnormal or missing and empty, and the obviously abnormal values ​​​​are deleted during processing. At this time, all data with null values ​​​​are collectively called missing data. value. [0003] In visual data analysis, data populations containing missing data cannot be used directly. Because when there are missing item data, the calculation of the mean, sum, variance and other indicators will lead to calculation abnormalities or obvious errors due to missing items. Often when dealing with data, when encountering this situation, the usual practice is to simply remove the entire piece of missing data, then there will be a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/22G06F16/21
Inventor 白王梓松
Owner PINGAN PUHUI ENTERPRISE MANAGEMENT CO LTD
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