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ECWAY TECHNOLOGIES 
IEEE PROJECTS & SOFTWARE DEVELOPMENTS 
OUR OFFICES @ CHENNAI / TRICHY / KARUR / ERODE / MADURAI / SALEM / COIMBATORE 
BANGALORE / HYDRABAD 
CELL: 9894917187 | 875487 1111/2222/3333 | 8754872111 / 3111 / 4111 / 5111 / 6111 
Visit: www.ecwayprojects.com Mail to: ecwaytechnologies@gmail.com 
RANDOM PROJECTION RANDOM DISCRETIZATION ENSEMBLES—ENSEMBLES 
OF LINEAR MULTIVARIATE DECISION TREES 
ABSTRACT: 
In this paper, we present a novel ensemble method random projection random discretization 
ensembles (RPRDE) to create ensembles of linear multivariate decision trees by using a 
univariate decision tree algorithm. The present method combines the better computational 
complexity of a univariate decision tree algorithm with the better representational power of 
linear multivariate decision trees. We develop random discretization (RD) method that creates 
random discretized features from continuous features. Random projection (RP) is used to create 
new features that are linear combinations of original features. A new dataset is created by 
augmenting discretized features (created by using RD) with features created by using RP. Each 
decision tree of a RPRD ensemble is trained on one dataset from the pool of these datasets by 
using a univariate decision tree algorithm. As these multivariate decision trees (because of 
features created by RP) have more representational power than univariate decision trees, we 
expect accurate decision trees in the ensemble. Diverse training datasets ensure diverse decision 
trees in the ensemble. We study the performance of RPRDE against other popular ensemble 
techniques using C4.5 tree as the base classifier. RPRDE matches or outperforms other popular 
ensemble methods. Experiments results also suggest that the proposed method is quite robust to 
the class noise.

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Random projection random discretization ensembles—ensembles of linear multivariate decision trees

  • 1. ECWAY TECHNOLOGIES IEEE PROJECTS & SOFTWARE DEVELOPMENTS OUR OFFICES @ CHENNAI / TRICHY / KARUR / ERODE / MADURAI / SALEM / COIMBATORE BANGALORE / HYDRABAD CELL: 9894917187 | 875487 1111/2222/3333 | 8754872111 / 3111 / 4111 / 5111 / 6111 Visit: www.ecwayprojects.com Mail to: ecwaytechnologies@gmail.com RANDOM PROJECTION RANDOM DISCRETIZATION ENSEMBLES—ENSEMBLES OF LINEAR MULTIVARIATE DECISION TREES ABSTRACT: In this paper, we present a novel ensemble method random projection random discretization ensembles (RPRDE) to create ensembles of linear multivariate decision trees by using a univariate decision tree algorithm. The present method combines the better computational complexity of a univariate decision tree algorithm with the better representational power of linear multivariate decision trees. We develop random discretization (RD) method that creates random discretized features from continuous features. Random projection (RP) is used to create new features that are linear combinations of original features. A new dataset is created by augmenting discretized features (created by using RD) with features created by using RP. Each decision tree of a RPRD ensemble is trained on one dataset from the pool of these datasets by using a univariate decision tree algorithm. As these multivariate decision trees (because of features created by RP) have more representational power than univariate decision trees, we expect accurate decision trees in the ensemble. Diverse training datasets ensure diverse decision trees in the ensemble. We study the performance of RPRDE against other popular ensemble techniques using C4.5 tree as the base classifier. RPRDE matches or outperforms other popular ensemble methods. Experiments results also suggest that the proposed method is quite robust to the class noise.