*----------------------------------------------*
*==== stata绘制人口金字塔 =====*
*---------------------------------------------*
sysuse pop2000,clear
replace maletotal = -maletotal/1000000
replace femtotal = femtotal/1000000
generate zero = 0
#delimit ;
twoway (bar maletotal agegrp,horizontal)||(bar femtotal agegrp,horizontal) //horizontal是使条形图水平放置
(scatter agegrp zero,msymbol(i) mlabel(agegrp) mlabcolor(black)), //添加年龄组的标签
xlabel(-12 "12" -8 "8" -4 "4" 4 8 12) xtitle("Population in millions",height(0)) //给x轴添加标题，修改标签，height(0)是把标签和标题放在一行
yscale(off) ylabel(,nogrid) legend(order(1 "Male" 2 "Female")) //去掉y轴，去掉网格线，完善图例
title("US Male and Female Population by Age,2000")
note("Source:U.S. Census Bureau,Census 2000,Tables 1,2 and 3")
;
#delimit cr
*----------------------------------------------*
*==== stata绘制饼图 =====*
*---------------------------------------------*
webuse census,clear
#delimit ;
graph pie pop,over(region) pie(2,explode) plabel(2 percent,gap(-10)) //突出显示顺时针第二个扇区，并标注第二个扇区的百分比，可以将percent改为sum
plabel(_all name,size(*1.5) color(white)) //显示每个扇区名称
legend(off)
plotregion(lstyle(none))
title("Polulation by region")
subtitle("1980")
note("Source:1980 Census data by state")
;
#delimit cr
