Analysis of Key Factors Affecting Undergraduate Entrepreneurship Ability from a Big Data Perspective

Table 4

Index description.

Index	Expression	Remarks
NMI		is the data sample size included in the th cluster, is the data sample size included in the class , and is the overall size of the complete data sample.
RI		The number of paired samples with different class labels and belonging to various classes is , the number of paired samples with the same class label and belonging to the same class is , and the size of the complete sample set is .