就是有的变量的数据是缺失的,比如有个变量var1数据都是1和0,你生成一个变量,当var1=1的时候,var2等于5,因为var1中有的变量为0,这部分为0的观测值在var2里就是缺失值了
stata中出现missing values generated什么意思 搜索资料 我来答 分享 微信扫一扫 新浪微博 QQ空间 举报 浏览17 次 本地图片 图片链接 代码 提交回答 匿名 回答自动保存中为你推荐:特别推荐老年人谣言传播力超年轻人6倍!Why? 白岩松:中国人还是“饿”点好! 牛奶与钙片,哪个更补钙? 为什么打哈欠传染,还会...
gen time = (year>=1994) & !missing(year) *Create a dummy variable to identify the group exposed to the treatment. In this example lets assumed that countries with code 5,6, and 7 were treated (=1). Countries 1-4 were not treated (=0). If you already have this skip this step生成...
predictu1,u(45missingvaluesgenerated) sortu1 genrank1=_n 第三步,我们认为vi在测量本垒打的时候v可能存在异方差,测量使用 frontierlnsallnrbilnhrlnklnruns,vhet(lnhr) predictte2,te(45missingvaluesgenerated) predictu2,u(45missingvaluesgenerated) sortu2 genrank2=_n 我们同事也要厕所u的异方差,使用u...
4. | -9 10 | +---+ . mvdecode v1, mv(-9) //将-9更改为缺失值 v1: 2 missing values generated . list +---+ | v1 v2 | |---| 1. | 7 -99 | 2. | . 10 | 3. | 8 -99 | 4. | . 10 | +---+ . mvdecode _all, mv(...
. forv k=1/3 { 2. capture drop tmp 3. gen tmp = x if year==`k' 4. by id: egen x_`k' = mean(tmp) 5. } (4 missing values generated) (4 missing values generated) (4 missing values generated) . drop tmp . l, sep(3) +---+ | id year x x_1 x_...
(2 missing values generated) . list open mv3_open in 1/10 +---+ | open mv3_open | |---| 1. | 1320.28 . | 2. | 1283.27 1317.037 | 3. | 1347.56 1321.39 | 4. | 1333.34 1326.417 | 5. | 1298.35 1309.183 | |---| 6. | 1295.86 1298.337...
4、运用广义最小二乘法重新估计模型.geny_1=y[_n-1](1missingvaluegenerated).genx_1=x[_n-1](1missingvaluegenerated).genp=1-.genGDy=y-p*y_1(1missingvaluegenerated).genGDx=x-p*x_1(1missingvaluegenerated)精选文档精选文档14精选文档 stata数据分析 来自淘豆网www.taodocs.com转载请标明出处....
30、8722366_cons1.4-11.74636.388413330.240.00010.9850812.50763lnsig2v1lnhr1-6033235.2166761-2.780.005-1.028001-.1786462_cons1.4-1.304674.4176328-3.120.002-2.123219-.4861282lnsig2u1_cons1.4-.5851313.11859724.930.0003526858175775sigmau11.339861.07945191.1928471504994predictte2,te(45missingvaluesgenerated) 31、predi...
gen b = age_n+1 (1 missing value generated) . list +-+ | province personid homesize age girl siblings order a b | |-| 1. | 21 2106018504 50 5 girl 1 1 . . 2 | 2. | 32 3209163903 25 2 b 19、oy 0 1 5 8 | 3. | 32 3205093703 246 8 boy 0 2 2 18 | 4. | 35...