如何才能显示某几个关键日期,或者以每周/每月的间隔显示日期,请大家帮忙看看,非常感谢!
指令和部分数据如下:
gen a=.
recode a .=1 if classification=="a"
gen b=.
recode b .=1 if classification=="b"
gen c=.
recode c .=1 if classification=="c"
gen day2=date(day,"YMD")
format %td day2
gen day2_text=string(day2,"%td")
egen day2_pos=group(day2)
labmask day2_pos, values(day2_text)
graph bar (count) a b c, over(day2_pos,gap(0)) stack
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- * Example generated by -dataex-. To install: ssc install dataex
- clear
- input str1 classification str10 day
- "a" "2020/1/1"
- "b" "2020/1/1"
- "c" "2020/1/1"
- "a" "2020/1/4"
- "b" "2020/1/4"
- "c" "2020/1/4"
- "a" "2020/1/7"
- "b" "2020/1/8"
- "c" "2020/1/9"
- "a" "2020/1/7"
- "b" "2020/1/8"
- "c" "2020/1/9"
- "a" "2020/1/10"
- "b" "2020/1/10"
- "c" "2020/1/10"
- "a" "2020/1/10"
- "b" "2020/1/10"
- "b" "2020/1/10"
- "a" "2020/1/10"
- "b" "2020/1/10"
- "b" "2020/1/10"
- "a" "2020/1/10"
- "b" "2020/1/10"
- "c" "2020/1/10"
- "a" "2020/1/10"
- "b" "2020/1/10"
- "b" "2020/1/10"
- "a" "2020/1/11"
- "b" "2020/1/11"
- "c" "2020/1/11"
- "a" "2020/1/11"
- "b" "2020/1/11"
- "c" "2020/1/11"
- "a" "2020/1/11"
- "b" "2020/1/11"
- "a" "2020/1/12"
- "a" "2020/1/12"
- "a" "2020/1/12"
- "a" "2020/1/12"
- "a" "2020/1/12"
- "a" "2020/1/12"
- "a" "2020/1/13"
- "a" "2020/2/9"
- "a" "2020/2/10"
- "a" "2020/2/11"
- "a" "2020/2/12"
- "a" "2020/2/13"
- "a" "2020/2/14"
- "a" "2020/2/15"
- "a" "2020/2/16"
- "a" "2020/2/17"
- "a" "2020/2/18"
- "a" "2020/2/19"
- "a" "2020/2/20"
- "a" "2020/2/21"
- "a" "2020/2/22"
- "a" "2020/2/23"
- "a" "2020/2/24"
- "a" "2020/2/25"
- "a" "2020/2/26"
- "a" "2020/2/27"
- "a" "2020/2/28"
- "a" "2020/2/29"
- "a" "2020/3/1"
- "a" "2020/3/2"
- "a" "2020/3/3"
- "a" "2020/3/4"
- "a" "2020/3/5"
- "a" "2020/3/6"
- "a" "2020/3/7"
- "a" "2020/3/8"
- "a" "2020/3/9"
- "a" "2020/3/10"
- "a" "2020/3/11"
- "a" "2020/3/12"
- "a" "2020/3/13"
- "a" "2020/3/14"
- "a" "2020/3/15"
- "a" "2020/3/16"
- "a" "2020/3/17"
- "a" "2020/3/18"
- "a" "2020/3/19"
- "a" "2020/3/20"
- "a" "2020/3/21"
- "a" "2020/3/22"
- "a" "2020/3/23"
- "a" "2020/3/24"
- "a" "2020/3/25"
- "a" "2020/3/26"
- "a" "2020/3/27"
- "a" "2020/3/28"
- "a" "2020/3/29"
- "a" "2020/3/30"
- "a" "2020/3/31"
- "a" "2020/4/1"
- "a" "2020/4/2"
- "a" "2020/4/3"
- "a" "2020/4/4"
- "a" "2020/4/5"
- "a" "2020/4/6"
- end
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