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
Variables are (1) grade (2) hours (3) occupation (4) industry (5) tenure (6) union . misstable pattern, bypat //对缺漏类型进行分类(没有缺漏值,存在一个缺漏值,2个缺漏值>,……等) Missing-value patterns (1 means complete) | Pattern Percent | 1 2 3 4 5 6 ---+--- 82% | 1 ...
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...
(6,384 missing values generated) . replace Age_test = 0 if Age >= 61 (6,384 real changes made) . ttest IADL_diff, by(Age_test) Two-sample t test with equal variances --- Group | Obs Mean Std. err. Std. dev. [95% conf. interval] ---+---...
dta ” 2 gen other_income=p_incomeqg12 值得注意的是,在以上 gen 命令运行结束之后,Stata 提示「(61 missing values generated) 」,即除正常数据以外,产生了 61 个缺失值(missing val- ues )。在Stata 中,缺失值以一个英文句号「.」来表示,我们可以使用「br if other_income==. 」来查看具体哪些观测其...
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) ...
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...
hours | 1,864 37.62071 9.959845 1 80. range h r(min) r(max) 20(1,844 missing values generated). gen lnh = ln(h)(1,844 missing values generated). marginscontplot hours(lnhours), ci var1(h(lnh))本站是提供个人知识管理的网络存储空间,所有内容均由用户发布,不代表本站观点。请注意甄别内...
predict mm˙cpr (6 missing values generated) . replace mm˙cpr = price - mm˙cpr + ˙b[minincr]*minincr (188 real changes made, 89 to missing) . generate mm˙fit = ˙b[minincr]*minincr . two (scatter ls˙cpr minincr if minincr¡40, ms(Oh) mc(*.8) jitter(1)) /// ...
S458918 MIMPT: Stata module to impute missing values and persist in case of non-convergence byDaniel Klein S458917 QREGPLOT: Stata module for plotting coefficients of a Quantile Regression byFernando Rios-Avila S458916 TVGC: Stata module to perform Time-Varying Granger Causality tests ...