绘制曲线图
line unemp unempf unempm year if country=="United States"summarize unemp unempf unempm
replace unemp=. if unemp==0
replace unempf=. if unempf==0
replace unempm=. if unempm==0
summarize unemp unempf unempm
line unemp unempf unempm year if country=="United States"
twoway line unemp unempf unempm year if country=="United States", ///
title("Unemployment rate in the US, 1980-2012") ///
legend(label(1 "Total") label(2 "Females") label(3 "Males")) ///
lpattern(solid dash dot) ///
ytitle("Percentage")
twoway connected unemp unempf unempm year if country=="United States", ///
title("Unemployment rate in the US, 1980-2012") ///
legend(label(1 "Total") label(2 "Females") label(3 "Males")) ///
msymbol(circle diamond square) ///
ytitle("Percentage")
twoway connected unemp year if country=="United States" | ///
country=="United Kingdom" | ///
country=="Australia" | ///
country=="Qatar", ///
by(country, title("Unemployment")) ///
msymbol(circle_hollow)
twoway (connected unemp year if country=="United States", msymbol(diamond_hollow)) ///
(connected unemp year if country=="United Kingdom", msymbol(triangle_hollow)) ///
(connected unemp year if country=="Australia", msymbol(square_hollow)) ///
(connected unemp year if country=="Qatar", ///
title("Unemployment") ///
msymbol(circle_hollow) ///
legend(label(1 "USA") label(2 "UK") label(3 "Australia") label(4 "Qatar")))
twoway connected gdppc year if gdppc>40000, by(country) msymbol(diamond)
bysort year: egen gdppc_mean=mean(gdppc)
bysort year: egen gdppc_median=median(gdppc)
twoway connected gdppc gdppc_mean year if country=="United States" | ///
country=="United Kingdom" | ///
country=="Australia" | ///
country=="Qatar", ///
by(country, title("GDP pc (PPP, 2005=100)")) ///
legend(label(1 "GDP-PC") label(2 "Mean GDP-PC")) ///
msymbol(circle_hollow)
help twoway line
help twoway connected
不错，收藏了 已经收藏，谢谢楼主的分享
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