搜索结果: 1-2 共查到“统计学 institutions”相关记录2条 . 查询时间(0.093 秒)
Zipf's law and log-normal distributions in measures of scientific output across fields and institutions：40 years of Slovenia's research as an example
Zipf’s law citation distribution g-index h-index ranking
2010/3/11
Slovenia’s Current Research Information System (SICRIS) currently hosts 86,443 publications with citation data from 8,359 researchers working on the whole plethora of social and natural sciences from ...
Improving the Stratification of Medical Institutions for Stratified Sampling in the Patient Survey
correspondence analysis Patient Survey ratio estimation standard error rate stratified random sampling
2009/3/9
The Patient Survey is a designated statistical survey conducted every three years with the objective of obtaining basic data on the current status of patients in medical institutions in Japan. Since s...
