Analysis of Longitudinal Data using R and Epicalc 4 个回复 - 1953 次查看
Table of Contents
Chapter 1: Data formats _____________________________________________ 8
Chapter 2: Exploration and graphical display ___________________________ 14
Chapter 3: Area under the c ...2017-4-13 22:48 - stzhao - R语言论坛
推荐Scott Long的一本新书:The Workflow of Data Analysis Using Stata 12 个回复 - 5041 次查看
Hi Everyone~
I went to Scott Long's lecture today on work-flow---how to organize your data, paper effciently. I think it's very useful and he
actually wrote a book on it...basically it's about how h ...2009-11-19 11:53 - sophiafinn - Stata专版
合并行业数据的时候一直飙红【错误提示】 stkcd is longin using data 1 个回复 - 2323 次查看
合并行业数据,就这样了。。。虽然我也不知道合并他又什么用。。。但是一直飙红也很惆怅啊。。。
merge m:m stkcd using industry_hangyedaima
stkcd is longin using data
r(106);
求大神指点/(ㄒoㄒ)/~ ...2016-7-25 17:28 - 双非生 - Stata专版