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Table 2 Average nearest neighbor index of national intangible cultural heritage

From: The characteristics and influencing factors of the spatial distribution of intangible cultural heritage in the Yellow River Basin of China

Types

Traditional theatre

Traditional skills

Traditional music

Folklore

Traditional fine arts

Folk literature

Traditional dance

Quyi

Traditional sports, entertainment and acrobatics

Traditional medicine

Total

Amount

138

125

117

111

106

79

69

55

46

43

889

ANN

0.62

0.49

0.65

0.61

0.73

0.72

0.65

0.62

0.83

0.54

0.29

z

− 8.52

− 10.82

− 7.33

− 7.7

− 5.38

− 4.7

− 5.61

− 5.39

− 2.2

− 5.79

− 40.25

p

0

0

0

0

0

0

0

0

0.03

0

0