标签：hat lis div off this tla 提前 com format
在car计算中，我们得到的结果常常是 long 纵向排列的，有时我们也想横向排列一下，也是可以的，在 STATA中使用 reshape 就能够办到。
clear all set more off *----- example data ----- input /// firm str7 month_year sales str3 competitor str3 competitor_location str3 competitor_branch_1 str3 competitor_branch_2 1 "1_2014" 25 "XYZ" "US" "EEE" "RRR" 1 "2_2014" 21 "XYZ" "US" "FFF" 1 "2_2014" 21 "ABC" "UK" "GGG" 21 "1_2009" 11 "LKS" "UK" "AAA" 21 "1_2009" 11 "AIS" "UK" "BBB" 21 "1_2009" 11 "AJS" "US" "CCC" 21 "2_2009" 12 "LKS" "UK" "AAA" end encode competitor, gen(comp) encode competitor_location, gen(comploc) encode competitor_branch_1, gen(compbr1) encode competitor_branch_1, gen(compbr2) gen date = ym( real(substr(month_year,3,.)), real(substr(month_year,1,1)) ) format date %tm drop competitor* month* list *----- what you want ?? ----- bysort firm: gen j = _n // this sorting is not unique reshape wide date sales comp comploc compbr1 compbr2, i(firm) j(j)
use "D:\results-0422\want01_zhuban_03day.dta", clear *如果你不想显示那么多变量的话，可以提前 drop掉 不想见到的变量. bysort firm: gen j = _n reshape wide date ret mktret ar evtday, i(firm) j(j)
标签：hat lis div off this tla 提前 com format
原文地址：https://www.cnblogs.com/jungsee/p/8906686.html
