Research Article

Modified Mahalanobis Taguchi System for Imbalance Data Classification

Table 3

Summary of the classifiers performance ranks for all datasets.

Number Dataset -ratioIR ratioMTS MMTS PTM SVM NB Classifier rank
LLMed.ULLLMed.ULLLMed.ULLLMed.ULLLMed.ULMTSMMTSPTMSVMNB

(1)Abalone7.7972088 : 188.0288.9189.5298.3198.7799.2200.0049.2098.4000.0000.0000.0000.0000.0000.0021233
(2)Abalone0.814695 : 150.5060.4070.2074.7082.9091.0000.0000.0039.6028.4056.8068.3000.0000.0027.9021324
(3)Abalone0.661463 : 156.8061.9067.0072.5875.6576.5421.2042.4043.8029.2051.6066.9000.0000.0000.0021324
(4)Abalone8.227417 : 184.1484.5885.4396.6397.3397.9228.7057.3077.8081.3090.0098.7069.7080.5094.4021312
(5)Abalone1.244347 : 161.0066.7073.8069.3075.7079.8025.8051.4057.8063.4073.6080.7000.0018.8037.1021324
(6)Abalone1.000297 : 164.4069.9075.5071.5476.1881.0332.2051.5060.3063.5074.0085.2023.5038.7045.3021314
(7)Abalone1.019189 : 171.8473.976.6272.7877.3680.0218.2035.3044.7070.7076.8083.5013.0025.9044.6011212
(8)Abalone0.868160 : 169.0671.8474.6873.8278.1581.3529.4044.5056.3081.7883.3085.1824.2038.9048.5032414
(9)Abalone0.555130 : 154.0758.161.8265.1467.8870.2110.9021.9034.0068.9077.4079.9030.6334.2539.6232514
(10)ECOLI56.50966 : 184.3686.588.7698.7199.0799.4299.3099.3099.4299.0899.5499.770.0000.00028.9032214
(11)Welding18.83753 : 157.8065.0071.7079.7089.1098.3079.6086.1092.7038.9069.0089.2038.0067.5084.5021123
(12)Yeast1.14428 : 167.9569.2670.4569.6672.1474.5517.0029.6033.9063.4082.9084.2017.3025.9035.6032414
(13)Shuttle11.51317 : 187.5987.6887.8199.8399.9299.9306.1306.8507.2999.9899.9899.9999.2499.3799.4742513
(14)Heart0.8721.25 : 161.5965.5669.2575.1976.5877.5073.3174.9076.5780.3181.7383.5875.5676.9078.4842313

Fisher discriminant ratio; data overlapping index; imbalance ratio = ; MTS: Mahalanobis Taguchi System classifier at threshold = 1; MMTS: Modified Mahalanobis Taguchi System classifier; PTM: Probabilistic Mahalanobis Taguchi System classifier; SVM: Support Vector Machines classifier; NB: Naive Bayes classifier; LL: lower limit, Med.: median, and UL: upper limit based on 95% confidence interval by using one sample Wilcoxon method; [40].