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Table 2 Class assignment for Medulloblastoma dataset

From: Comprehensive evaluation of matrix factorization methods for the analysis of DNA microarray gene expression data

☐ Sample

Subgroup

Kmeans

*SVD

*PCA

*ICA

*NMF

*SNMF

*BSNMF

*Voting

Brain_MD_7

Brain_MD_59

Brain_MD_20

Brain_MD_21

Brain_MD_50

Brain_MD_49

Brain_MD_45

Brain_MD_43

Brain_MD_8

Brain_MD_42

Brain_MD_1

Brain_MD_4

Brain_MD_55

Brain_MD_41

Brain_MD_37

Brain_MD_3

Brain_MD_34

Brain_MD_29

Brain_MD_13

Brain_MD_24

Brain_MD_65

Brain_MD_5

Brain_MD_66

Brain_MD_67

Brain_MD_58

Brain_MD_53

Brain_MD_56

Brain_MD_16

Brain_MD_40

Brain_MD_35

Brain_MD_30

Brain_MD_23

Brain_MD_28

Brain_MD_60

classic

classic

classic

classic

classic

classic

classic

classic

classic

classic

classic

classic

classic

classic

classic

classic

classic

classic

classic

classic

classic

classic

classic

classic

classic

desmoplastic

desmoplastic

desmoplastic

desmoplastic

desmoplastic

desmoplastic

desmoplastic

desmoplastic

desmoplastic

** 2

**1

1

1

1

2

1

1

1

2

2

2

2

1

1

2

2

1

2

2

1

1

1

1

2

2

2

2

1

2

2

2

1

1

2

1

1

2

1

2

2

2

1

1

1

1

1

1

2

2

2

2

1

2

1

1

2

1

2

1

2

1

1

2

2

2

1

2

2

1

1

2

2

2

2

2

2

2

2

2

2

1

1

2

2

1

2

2

1

1

1

1

2

2

2

2

2

2

2

2

2

2

2

1

1

1

2

2

1

1

1

2

2

2

2

1

1

2

2

1

2

2

1

1

1

1

2

2

2

2

1

2

2

2

2

1

2

1

1

1

1

2

1

1

1

2

2

2

2

1

1

2

2

1

2

2

1

1

1

1

2

2

2

2

1

2

2

2

2

1

2

1

1

1

1

2

1

1

1

2

2

2

2

1

1

2

2

1

2

2

1

1

1

1

2

2

2

2

2

2

2

2

1

1

2

1

1

1

1

2

1

1

1

2

2

2

2

1

1

2

2

1

2

2

1

1

1

1

2

2

2

2

2

2

2

2

2

2

2

1

1

1

1

2

1

1

1

2

2

2

2

1

1

2

2

1

2

2

1

1

1

1

2

2

2

2

1

2

2

2

2

2

Error Count

 

14

16

16

14

13

13

11

12

  1. Class assignment for Medulloblastoma dataset at K=2
  2. * SVD: singular value decomposition, PCA: principal component analysis,
  3. ICA: independent component analysis, NMF: non-negative matrix factorization,
  4. SNMF: sparse non-negative matrix factorization,
  5. BSNMF: bi-directional non-negative matrix factorization, Voting: Voting class
  6. ** 1: classic type, 2: desmoplastic type
  7. Bold-faced: misclassified samples
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BMC Bioinformatics

ISSN: 1471-2105

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