vioft2nntf2t|tblJournal|Abstract_paper|0xf4ff14a326000000aa0d000001000800 Missing Data imputation is an important research topic in data mining. In general, real data contains missing values. The presence of the missing value in the data set has a major problem for precise prediction. The objective of this paper is to highlight possible improvement of existing algorithm for medical data. KNBP imputation method based on KNN and BPCA is proposed and evaluate MSE and RMSE estimates. Normalization is done by comparing three algorithms namely min-max normalization, Z-score and decimal scaling. The experiment is done with standard bench mark data and real time collected data. KNBP imputation method and Decimal Scaling Algorithm for Normalization got lower error rate.
K Manimekalai1, A Kavitha2
Sri GVG Visalakshi College for Women, India1, Kongunadu Arts and Science College, India2
Mean, Hot Deck, KNN, BPCA, KNBP, Min-Max Algorithm, Z-Score, Decimal Scaling
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| Published By :
ICTACT
Published In :
ICTACT Journal on Soft Computing
( Volume: 8 , Issue: 3 , Pages: 1655-1662 )
Date of Publication :
April 2018
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227
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