| 平均角的可信区间估计 |
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| 引用本文： | 张福林 杨树勤. 平均角的可信区间估计[J]. 中国卫生统计, 1992, 9(2): 20-23 |
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| 作者姓名： | 张福林 杨树勤 |
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| 作者单位： | 华西医科大学卫生统计学教研室，华西医科大学卫生统计学教研室 |
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| 基金项目： | 国家自然科学基金资助项目 |
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| 摘 要： | 本文得出平均角可信区间的估计公式。尽管公式是依据中心极限定理,用于大样本时平均角可信区间的近似估计,实例表明,即使对小样本资料,估计精度也很满意。
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| 关 键 词： | 平均角 可信区间 圆形统计 |
A Formula for Estimating Confidence Interval of the Mean Direction |
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| Zhang Fulin,Yang Shuqin,Dept. of Health Statistics,West China University of Medical Sciences,Chengdu. A Formula for Estimating Confidence Interval of the Mean Direction[J]. Chinese Journal of Health Statistics, 1992, 9(2): 20-23 |
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| Authors: | Zhang Fulin Yang Shuqin Dept. of Health Statistics West China University of Medical Sciences Chengdu |
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| Abstract: | This paper presented a formula for calcu-lating confidence interval to the mean directionAlthough the formula, based on central limittheorem, was obtained in the case of largesample size, numerical examples show thatthe approximate confidence interval givesrather accurate estimate for small sample size. |
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| Keywords: | Mean direction Confidence interval Circular statistics |
| 本文献已被 CNKI 维普 等数据库收录！ |
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