SVD: This function performs imputation using Singular Value...

In DTSR: Distributed Trimmed Scores Regression for Handling Missing Data

This function performs imputation using Singular Value Decomposition (SVD) and calculates various evaluation metrics including RMSE, MMAE, RRE, and Consistency Proportion Index (CPP) using different hierarchical clustering methods.

Description

This function performs imputation using Singular Value Decomposition (SVD) and calculates various evaluation metrics including RMSE, MMAE, RRE, and Consistency Proportion Index (CPP) using different hierarchical clustering methods.

Usage

SVD(data0, data.sample, data.copy, mr, km)

Arguments

data0	The original dataset containing the response variable and features.
data.sample	The dataset used for sampling, which may contain missing values.
data.copy	A copy of the original dataset, used for comparison or validation.
mr	Indices of the rows with missing values that need to be predicted.
km	The number of clusters for k-means clustering.

Value

A list containing:

Xnew	The imputed dataset.
RMSE	The Root Mean Squared Error.
MMAE	The Mean Absolute Error.
RRE	The Relative Eelative Error.
CPP1	The K-means clustering Consistency Proportion Index.
CPP2	The Hierarchical Clustering Complete Linkage Consistency Proportion Index.
CPP3	The Hierarchical Clustering Single Linkage Consistency Proportion Index.
CPP4	The Hierarchical Clustering Average Linkage Consistency Proportion Index.
CPP5	The Hierarchical Clustering Centroid linkage Consistency Proportion Index.
CPP6	The Hierarchical Clustering Median Linkage Consistency Proportion Index.
CPP7	The Hierarchical Clustering Ward's Method Consistency Proportion Index.
timeSVD	The SVD algorithm execution time.

See Also

princomp and svd for more information on PCA and SVD.

DTSR documentation built on April 3, 2025, 11:35 p.m.