https://scholars.lib.ntu.edu.tw/handle/123456789/184647
標題: | Interim Analysis and Data Monitoring in Clinical Trials | 作者: | Liu, Jen-Pei | 公開日期: | 24-八月-2006 | 出版社: | 臺北市:國立臺灣大學農藝學系 | 摘要: | Sample mean of N observations The variance of sample mean =σ2/N. The information about the population mean provided by the sample mean is N/σ2. If σ2=1, the information about the population mean provided by the sample of N observation is simply the sample size N. This is the definition of statistical information which can be also interpreted as the clinical information The planned sample size is the minimum clinical and statistical information required to achieve the desired power for detecting a minimum clinically meaningful difference at a pre-determined risk of typeⅠerror. |
URI: | http://ntur.lib.ntu.edu.tw//handle/246246/20060927123050835275 | 其他識別: | 20060927123050835275 |
顯示於: | 農藝學系 |
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interim analysis and data monitoring.pdf | 1.21 MB | Adobe PDF | 檢視/開啟 |
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