Policy Evolution of Government Procurement of Public Services in China: A Text-Mining Perspective

Table 4

The TF-IDF value of words in policies from 2013 to 2021.

Keywords	Government procurement	Public service	Elderly-care	Supervise	Encourage	Healthcare	Culture	Social forces	Directory	Capital
TF-IDF	0.723	0.711	0.652	0.621	0.576	0.554	0.465	0.452	0.448	0.397