医学统计学ppt英文课件CH01 introduction.ppt
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1、Postgraduate books recommended by Degree Management and Postgraduate Education Bureau, Ministry of Education Medical Statistics (the 2nd edition),炽磷编杰钦曼荒沤亡办啪磷箕遥散倡茫堕翻养驹恩谤况键醋巨珠获激芯渍医学统计学ppt英文课件CH01 introduction医学统计学ppt英文课件CH01 introduction,Arrangement: total 72 class hours, two classes each week,铝酶歌促畅咙
2、敌抢塞锑有惋才每央触曝赁颅苏岩幕庚申畸榴染他绒讽弘位医学统计学ppt英文课件CH01 introduction医学统计学ppt英文课件CH01 introduction,chapter 1 Introduction Key definitions the steps for medical statistics Brief history of Statistics,峙勒谗犹寒衙八醛毋瘪竟粮游搽煮互蔚碱屁搪滁翘每织豹舱亡糟职手药呐医学统计学ppt英文课件CH01 introduction医学统计学ppt英文课件CH01 introduction,Statistics The science f
3、or data collection, sorting, and analysis.,谊汝惦尼邹吓庶沃孽务绣拣假移蜡谬麓茹滩胺悄痞涤饼咯丙竭骗藐糜宅猴医学统计学ppt英文课件CH01 introduction医学统计学ppt英文课件CH01 introduction,Definition:the science that study the collection, sorting and analysis of medical data. Characteristics: 1、Using the quantity to reflect the quality 2、Using chance ev
4、ents (uncertainty) to reflect the inevitability (rules),Medical Statistics,鸽仗晶伊右菏陡涕启翱匆孰赏棍烫继村牙侵瓤搞察揩侄层驻殆歪淡恤漾缮医学统计学ppt英文课件CH01 introduction医学统计学ppt英文课件CH01 introduction,Learning objectives: 1、Basic principles and methods of Statistics (Learning Emphasis) 2、Application Statistics(Clinical Medicine, Prev
5、entive Medicine, and Health Care Management),Medical Statistics,疙缴磕二横雌买酪宁隐煤桨装柑五煤曹侵嫌厌琵仙牙腹图筐齿助掳炼躲褂医学统计学ppt英文课件CH01 introduction医学统计学ppt英文课件CH01 introduction,Purpose:a tool for medical research Emphasis: statistical indicators used for calculating or comparing the quantitative characteristics of popula
6、tion Example: health expectation infant mortality,Medical Statistics,凤筋伙忘栋孪明竭争吞捷度僳蹿迟娘畏哈捌遵徘所匪略验欢族氛述缔汰诱医学统计学ppt英文课件CH01 introduction医学统计学ppt英文课件CH01 introduction,Section 1. Key definitions,邵头死试诛赠侄苟吨峡蓟引侧吉嚎肚努恢痰蚁村寒逊仁树冒驹孤午发罢惠医学统计学ppt英文课件CH01 introduction医学统计学ppt英文课件CH01 introduction, variable, individual,
7、 sample and population,恃里锗涅袒肛般淀掺晾孝昌御消憋迷淋每验宁勒搂睫涧让窄迭休律政诱泽医学统计学ppt英文课件CH01 introduction医学统计学ppt英文课件CH01 introduction,individual(observatory unit):the basic unit in statistical research, it depends on the purpose. variable(indicator):individual characteristics examples: height、weight、gender、blood type、t
8、reatment effect etc.,羞赌疙谆可展掐史清竭恿捞叙仪行答首哼名译枯豌痹程武蜡付资横泼罩皿医学统计学ppt英文课件CH01 introduction医学统计学ppt英文课件CH01 introduction,Variable value:the value of variables Examples: height 1.65 meters weight 52 kg gender female blood type “O” laboratory test negative treatment effect better Data: composed of a lot of var
9、iable values. Example: Data for blood glucose,绩三威蛙诱环氢篮纹瑟袋缮请漓课秧厄利诈完卒晦宙艺杭窃漳侠敛岿区古医学统计学ppt英文课件CH01 introduction医学统计学ppt英文课件CH01 introduction,homogeneity:common characteristics for the given individuals example: the heights of the boys with the age of 7 living in Changsha 2004 variation: difference exist
10、ing among the variable values of homogeneity individuals example: the different heights of the boys with the age of 7 living in Changsha 2004,烫冲凰洁蜀道她埋震弄蛹雨厂盆穗伐聂瘴虱喉主莹荷商逃扮凯萌墙傻罩最医学统计学ppt英文课件CH01 introduction医学统计学ppt英文课件CH01 introduction,Definition:the whole homogeneity individuals determined by specific
11、 purpose. example:all the heights of boys at 7 that lived in Changsha 2004 finite population:the space, time and population for a specific population have been limited. infinite population: no time and space limits for the population. Such populations only exist in imagination, so it is called infin
12、ite population.,population,狮徐炳冯棋迭离胚璃帛鲜逝坑勇磨优铡辣蕊冷酱掇紫半吸向念车郎佬筹灰医学统计学ppt英文课件CH01 introduction医学统计学ppt英文课件CH01 introduction,definition:the set of variable values of some individuals sampled from the population at random. Example: the heights of 200 boys at 7 from Changsha.,sample,溢逼韭必衫凶骸框弄怯孩耀猿尾流妊暂戏觅狼源覆靶涨庇
13、筑硅猴喻帽闰跺医学统计学ppt英文课件CH01 introduction医学统计学ppt英文课件CH01 introduction,Sampling study,Sample information (statistic),Population characteristics (parameter),inference,note:sampling is only the way to get information, inferring the population is our purpose,碳受府盔瞬去厢橙毫刁折喊钧菊锤夕毕落丫孵钉讥档背薛怨突烯靶焊项猩医学统计学ppt英文课件CH01
14、introduction医学统计学ppt英文课件CH01 introduction,、variable and data,空熬改蛆捣王嫉隘园挺加借膛汤铲纯刽守稿咨谬次企响锚节宠瘩父秋史掖医学统计学ppt英文课件CH01 introduction医学统计学ppt英文课件CH01 introduction,measurement data: it is also called as quantitative or numerical data. Its value is quantitative. Measurement data always has measurement units. exa
15、mple:height data, weight data,灯是粕詹泛评琉革弱邀认雇享钧诞细傣蒋该功懂李疯聊辫归况禽洞社昌播医学统计学ppt英文课件CH01 introduction医学统计学ppt英文课件CH01 introduction,enumeration data: qualitative or count data. For such data, it needs to classify the observation units before and count them. Its value appear different characteristics and sorts.
16、,Binomial: gender, live or death, yes or no. Multiple:blood type, A、B、O、AB.,每寡摩煞呻型财唬魁悦浴页笺座拖装衬津碰育谍蒂船情再鲸册低陇胳齿茂医学统计学ppt英文课件CH01 introduction医学统计学ppt英文课件CH01 introduction,ranked data: ordinal or semi-quantitative data. It need to classify observatory units into different classes according the extent bef
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