Simpson' s paradox reminds people that the statistical inference in a low-dimensional space probably distorts the reality in a high one seriously.To study the paradox with respect to Yule's measure, this paper...Simpson' s paradox reminds people that the statistical inference in a low-dimensional space probably distorts the reality in a high one seriously.To study the paradox with respect to Yule's measure, this paper discusses simple collapsibility, strong collapsibility and consecutive collapsibility, and presents necessary and sufficient conditions of them.In fact, these conditions are of great importance for observational and experimental designs, eliminating confounding bias, categorizing discrete variables and so on.展开更多
In this paper, we develop an algebraic independence method originated from a work of Mordoukhay-Boltovskoy, which allows us to establish the algebraic independence of certain numbers connected with Liouville numbers. ...In this paper, we develop an algebraic independence method originated from a work of Mordoukhay-Boltovskoy, which allows us to establish the algebraic independence of certain numbers connected with Liouville numbers. This method depends either on elementary results of the Kummer theory or on transcendence measures for certain classes of numbers.展开更多
In this paper, we give the algebraic independence measures for the values ofMahler type functions in complex number field and p-adic number field, respectively.
目的研究Fugl-Meyer运动功能评分量表上肢部分(upper Fugl-Meyer motor function assessment,U-FMA)在脑卒中患者镜像康复治疗中的评估作用及与功能独立性评测量表(functional independence measure, FIM)的关系。方法将80例脑卒中后偏...目的研究Fugl-Meyer运动功能评分量表上肢部分(upper Fugl-Meyer motor function assessment,U-FMA)在脑卒中患者镜像康复治疗中的评估作用及与功能独立性评测量表(functional independence measure, FIM)的关系。方法将80例脑卒中后偏瘫的患者随机分为常规康复组(40例)和镜像治疗组(40例)。常规康复组给予常规康复训练,镜像治疗组在常规康复训练的基础上加用镜像疗法;疗程均为24周。治疗前及治疗8、16、24周后采用U-FMA量表评估运动功能、FIM量表评估日常独立活动能力。分析患者运动功能及日常生活活动能力改善程度,并分析两者间的相关性。结果两组治疗8周、16周、24周后,与治疗前U-FMA评分、FIM评分相比,差异有统计学意义(P<0.05)。两组U-FMA评分、FIM评分相比,差异有统计学意义(P<0.05)。相关性分析显示,U-FMA评分与FIM评分呈正相关。结论镜像治疗能够提高脑卒中偏瘫患者上肢运动功能,改善日常生活活动能力。U-FMA量表、FIM量表均能较好反映卒中患者康复后上肢运动功能、日常生活能力改善程度,两者具有良好的相关性。展开更多
基金This work was supported by the National Natural Science Foundation of China (Grant Nos. 19831010 and10001008) the National Excellent Youth Science Foundation of China.
文摘Simpson' s paradox reminds people that the statistical inference in a low-dimensional space probably distorts the reality in a high one seriously.To study the paradox with respect to Yule's measure, this paper discusses simple collapsibility, strong collapsibility and consecutive collapsibility, and presents necessary and sufficient conditions of them.In fact, these conditions are of great importance for observational and experimental designs, eliminating confounding bias, categorizing discrete variables and so on.
文摘In this paper, we develop an algebraic independence method originated from a work of Mordoukhay-Boltovskoy, which allows us to establish the algebraic independence of certain numbers connected with Liouville numbers. This method depends either on elementary results of the Kummer theory or on transcendence measures for certain classes of numbers.
基金Supported by the Natural Science Foundation of Henan University（05ZDZR001）
文摘In this paper, we give the algebraic independence measures for the values ofMahler type functions in complex number field and p-adic number field, respectively.
文摘目的研究Fugl-Meyer运动功能评分量表上肢部分(upper Fugl-Meyer motor function assessment,U-FMA)在脑卒中患者镜像康复治疗中的评估作用及与功能独立性评测量表(functional independence measure, FIM)的关系。方法将80例脑卒中后偏瘫的患者随机分为常规康复组(40例)和镜像治疗组(40例)。常规康复组给予常规康复训练,镜像治疗组在常规康复训练的基础上加用镜像疗法;疗程均为24周。治疗前及治疗8、16、24周后采用U-FMA量表评估运动功能、FIM量表评估日常独立活动能力。分析患者运动功能及日常生活活动能力改善程度,并分析两者间的相关性。结果两组治疗8周、16周、24周后,与治疗前U-FMA评分、FIM评分相比,差异有统计学意义(P<0.05)。两组U-FMA评分、FIM评分相比,差异有统计学意义(P<0.05)。相关性分析显示,U-FMA评分与FIM评分呈正相关。结论镜像治疗能够提高脑卒中偏瘫患者上肢运动功能,改善日常生活活动能力。U-FMA量表、FIM量表均能较好反映卒中患者康复后上肢运动功能、日常生活能力改善程度,两者具有良好的相关性。
