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A Data Transformation Method for Visualizing the Statistical Information based on the Grid
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 Title & Authors
A Data Transformation Method for Visualizing the Statistical Information based on the Grid
Kim, Munsu; Lee, Jiyeong;
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The purpose of this paper is to propose a data transformation method for visualizing the statistical information based on the grid system which has regular shape and size. Grid is better solution than administrator boundary or census block to check the distribution of the statistical information and be able to use as a spatial unit on the map flexibly. On the other hand, we need the additional process to convert the various statistical information to grid if we use the current method which is areal interpolation. Therefore, this paper proposes the 3 steps to convert the various statistical information to grid. 1)Geocoding the statistical information, 2)Converting the spatial information through the defining the spatial relationship, 3)Attribute transformation considering the data scale measurement. This method applies to the population density of Seoul to convert to the grid. Especially, spatial autocorrelation is performed to check the consistency of grid display if the reference data is different for same statistic information. As a result, both distribution of grid are similar to each other when the population density data which is represented by census block and building is converted to grid. Through the result of implementation, it is demonstrated to be able to perform the consistent data conversion based on the proposed method.
Data Transformation;Spatial Unit;Grid;Reference Data;Data Scale Measurement;
 Cited by
공간정보와 통계정보의 융합 활용을 위한 오픈플랫폼 아키텍처에 관한 연구,김민수;유정기;

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