新手第一次作图，感觉非常垃圾……codes格外多，图也很不简洁美观。这个图的x轴是时间，y轴是死亡率，每个点是一个国家，然后我想看各个地区死亡率随年份的改变。

Codes在这里，求狠拍：
  twoway (scatter infant_mortality cohort if geo=="Europe and Central Asia",msize(small)) ///
  (scatter infant_mortality cohort if geo=="East, South and South-East Asia",msize(small)) ///
  (scatter infant_mortality cohort if geo=="Sub-Saharan Africa",msize(small))///
  (scatter infant_mortality cohort if geo=="Latin America and the Caribbean",msize(small)) ///
  (scatter infant_mortality cohort if geo=="Middle East and North Africa",msize(small))///
  (lfit infant_mortality cohort if geo=="Europe and Central Asia") ///
  (lfit infant_mortality cohort if geo=="East, South and South-East Asia") ///
  (lfit infant_mortality cohort if geo=="Sub-Saharan Africa")///
  (lfit infant_mortality cohort if geo=="Latin America and the Caribbean") ///
  (lfit infant_mortality cohort if geo=="Middle East and North Africa"),///
  title("Infant Mortality by geographical regions") ///
   xtitle("Year") ///
   ytitle("Infant Mortality") ylabel(, angle(0)) ///   
  legend(label(1 "Europe and Central Asia") ///
  label(2 "East, South and South-East Asia") ///
  label(3 "Sub-Saharan Africa") ///
  label(4 "Latin America and the Caribbean") ///
  label(5 "Middle East and North Africa")///
  label(6 "Fitted Value,Europe and Central Asia")///
  label(7 "Fitted Value,East, South and South-East Asia")///
  label(8 "Fitted Value,Sub-Saharan Africa")///
  label(9 "Fitted Value,Latin America and the Caribbean") ///
  label(10 "Fitted Value,Middle East and North Africa")///
  size(small))///
  graphregion(fcolor(white))