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那山,那水,那茂密的丛林(3)
热度 10 zhangyuxiu 2011-11-20 22:22
那山,那水,那茂密的丛林(3)
  坐缆车上到丹霞山山顶后,我们开始徒步行走,山路越来越陡,越来越难走,见到的景物也越来越美。但山中却越发寂静起来,走路时都能清楚地听到自己的喘息声。有时突然听到一声奇怪的叫声,那是不知名的鸟儿被从天而降的人给惊得飞起来了。 1、从山上往下望,见到那一泓清水 2、下山时,路非常陡,角度几乎成了直角 3、绕过一座山坡,又见到了山下那一泓清水 4、这座小山坡,充满了秋的颜色 5、河水清清亮亮,能照见你我的心 6、船儿往来其上,悠哉悠哉 7、云雾迷漫 9、那红霞般的山耸立在眼前 10、从高空望下去,好险啊 11、大自然真是神奇 12、壮观
3977 次阅读|23 个评论
[转载]转:T检验、F检验和统计学意义
LuDoor 2011-11-18 05:38
看Language That Puts You in Touch With Your Bodily Feelings一文用到心理、行为实验设计中用户故意性、倾向性的统计方法, 注:Geisser-Greenhouse conservative F tests是一个repeated measure test,是用于对于同一实验者进行多次测量的情况,repeated test是可以排除实验者本身主观因素 来测试实验的主要要素!需要连续量或分级量才能做分析。 找《Experimental Design: Procedures for the Behavioral Sciences 》这本书没有电子版, 先找了相关的F检验资料: http://blog.19lou.com/120115/viewspace-1307115
个人分类: 科研方法|0 个评论
People’s Ingenuity Never Ceases to Amaze Me
热度 6 何毓琦 2011-8-11 19:50
Fornew readers and those who request to be “ 好友 good friends” please read my 公告 栏 first. Nefarious-Numbers.pdf Before myretirement in 2001, I have never heard of Impact factor and H-index inscholarly life and only vaguely aware of SCI. In fact to this date, thesepseudo-quantitative measurements of scholarly fame and achievement are stillregarded with suspicion and not often used in evaluation (see http://bbs.sciencenet.cn/home.php?mod=spaceuid=1565do=blogid=30274 ) in the western world. However, in China and because of the emphasis onquantitative measures of achievement (as replacement for the only workable butnot perfect system of “PEER REVIEW”), these numbers have taken on god-likestatus and materially determine the reputation and financial well-being of ascholar. Given such incentive, it is understandable that people will useillegal and/or legal but unethical means to boost their quantitative measures. Plagiarizingpapers and falsifying data in experiments are well known deviant behaviors. However,using legally permissible but rather unsavory means for the sole purpose of improvingthe impact factor of a journal and the H-index of a person were news to me. TheMarch 2011 issue of the Notices of the American Mathematic Society carried adetail report about how one person were able to do these feats and createincredible high impact factors that are way higher than the best journals inthe world and H-index surpassing many Nobel prize winners. The report isattached here (I thank Professor Ron Chen of the City University of Hong Kongfor bringing this to my attention.)
15294 次阅读|12 个评论
Fareed Zakaria - The global columnist and TV commentator
热度 1 何毓琦 2011-6-23 19:43
Fornew readers and those who request to be “ 好友 good friends” please read my 公告 栏 first. ScienceNet readers have heard me talk about T. Freidman, the NYTimes columnist whom Irecommend. Now I wish to recommend another columnist Fareed Zakaria on TIMEmagazine and on CNN. In a way, I am even more tuned-in to Zakaria since he andI have similar backgrounds – we are both immigrants who left home (he fromIndia and I from China) when young to come to the US for study in undergraduatecolleges, we both choose to remain in the US, become citizens by choice, and recevied our ph.d from Harvard. Inthis sense we have viewpoints that are bi-cultural and perhaps moreinternational and less nationalistic. Thelatest book by Zakaria, The Post-AmericanWorld release 2.0, is a most enjoyable read. In it, Zakaria talk about thethree waves of human developments. First the Renaissance and the rise ofEuropean power; the second, the American century; and now the Rise of the Rest,in particular China and India. There is also a fasinating and rather fair comparison of China and India. Inscience and technology, there are people who make and discover major advances,and there are popularizers who make complex ST understandable to thepublic. Both are important contributors. Similarly in world affairs, there arestatesman and leaders who make history, and there are commentators who make thecomplex world understandable to us. Friedman and Zakaria, in my opinion, arethe best of this genre. They command data and statistics, synthesize disparateand related facts, and weave a viewpoint of the world not often seen orappreciated by common folks. Idon’t know to what extent TIME and CNN are available in China. But I am surethe above mentioned book is not censored. It is definitely worth reading.
个人分类: 生活点滴|9058 次阅读|2 个评论
Boston, the hub of the sports world
热度 5 何毓琦 2011-6-17 05:27
Fornew readers and those who request to be “ 好友 good friends” please read my 公告 栏 first. Boston,because of its high concentration of institutions of higher learning (80+college and universities) and her position in American history, carries thenickname of “the hub of the US”. Professionalsports are big business in the US. Major daily newspapers have special section ofthe paper and the radio-TV stations have regular programs each day devoted tothe local and national sport teams. “ SportsIllustrated ” is a well known weekly nation-wide magazine specializing insport reporting. Sports fans in the US are fanatics in their life long devotionto teams from their home town even though they may now live thousands of milesaway. The four major sports that are the year round features of all US TVstations are, American Football, Baseball,Basketball and Hockey . Boston has all four types of professional teamswhich in their long history have won all kinds of championships. Many sportslegends from these teams and the players have become part of the national lores and fabricsof America. Because of this crowding, the other world sport, soccer, never canquite gain the same popularity in the US. Duringthe past decade, the four Boston teams have all again won national and arguablyworld championships in Football (twice), Baseball (twice after a drought of 86years), Basketball, and Hockey (last night after 39 years). Thus, the citydeservedly may call herself – the hub of the sports world http://hubbub.wbur.org/2011/06/16/bostons-decade-of-dominance . The feeling of euphoriafor a citizens of Boston last night were an emotional high. A city wide paradeis scheduled for Saturday (6/18) to honor the winning Hockey team, The BostonBruins. Myfavorite viewing sports are baseball and American football. But last night Iwas sitting at the edge of my seat for 3 hours watching the championship hockeygame and cheering for Boston.
个人分类: 生活点滴|8827 次阅读|10 个评论
HISTORY!!!
热度 3 何毓琦 2011-6-4 23:03
Fornew readers and those who request to be “ 好友 good friends” please read my 公告 栏 first. First Chinese to win a grandslam tennis championship ( in the French Open) 30 seconds ago. (note added 6/5/2011. She is apparently not only the first Chinese but the first Asian according to the Sunday NY Times this morning which featured her photo and story on the front pages of the paper as well as the sport section.)
个人分类: 生活点滴|6880 次阅读|3 个评论

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