Table 2 Variance Explained from 2 to 5-Dimensional PCA

From: Towards machine learning-based quantitative hyperspectral image guidance for brain tumor resection

PCA Dimension

Tumor Type

Margin

WHO Grade

2

79%

79%

85%

3

87%

89%

93%

4

94%

95%

95%

5

97%

99%

96%

  1. A value of 100% means that all variance is accounted for. With five values, almost no information is lost, indicating that the 5 primary fluorophores most likely cause the measured emissions.
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