miaoyong@hotmail.com的最近内容

回复: 【求助】T值的显著性值怎么判断？急。。先谢了！ tha is related to t-test. if u wanna be accurate, u have to know the degree of freedom, then search for the relative possibility.

回复: Z值是负数，这是为什么 that corresponding word occurs less frequently than expected

回复: 关于计算搭配力z值的一点疑惑 Standdard scores are Z values, but Z value is not standard score.!!!!! that process is called normalization in statistics. Z value must be originated from the z- test, it's formular is the same as other normal z tests...

回复: 如何用wordsmith3.0做z-score和mi !!! FIRSTLY , wordlist the corpus then use concordance

回复: How to translate this sentence? All manner of selectional parameters are proposed to compensate for this lack: 为了弥补这个缺陷, 人们提出的林林总总的选择参数: corpus creators talk of range, coverage and balance based on the circumstances of production, 语料库开发者谈论着(语料库)创建环境下的 范围\覆盖面\平衡 and (often in prefaces and...

回复: 请教： take one of them as reference corpus, it may work if you choose proper methods. x2 test is only one of the statistics you can do

回复: 梁茂成教授的研究课题“大规模考试英语作文自动评分系统的研制”初步完成 before we put the fates of the students to the machine, we must be nearly 100 percent sure that it is fair and efficient... at least

回复: factors of speech error error or mistake--- it has been classified and studies long before.

回复: 关于collocation和lexical bundle comes

回复: 关于collocation和lexical bundle NO. According to Dr, Pu Jianzhong, collocation and colligation are at different levels of abstractions of "chunk". that is, you can take collocation as chunk--- chunk at lower level, while chunk at higher level is colligation. when it come to cluster, it is...

回复: 请问检索LOB和BROWN语料库时怎么去掉行号和标记 maybe lob and brow are not "clear" material-- many tags have been inserted already-- so you can search on line to down load the software that are developed for lob-- these soft can search these text effectively . so is the case of brown

回复: 关于频数标准化问题的疑问 you need not compute the relative frequences for so many times--- just use the formula --- (n1+n2+n3+n4)/t1+t2+t3+t4 ni stands for the the absolute frequency of because.(i=1,2,3,4) ti stands for the total number of sti (i=1,2,3,4)

回复: 定量超声（QUS）中的T-score和Z-score是什么意思 t stands for t test, and z stands for z test. t is a kind of distribution similar to z distribution, while z is normal distribution(gaussion distribution), for a sample that is big enough, there is little difference between t value and z value. if the...