#绘图
ggplot(gapminder,aes(gdpPercap,lifeExp,size=pop,colour=country))+geom_point(alpha=0.7,show.legend...=FALSE)+scale_colour_manual(values=country_colors)+scale_size(range=c(2,12))+scale_x_log10()+facet_wrap...,y=cum_confirm, fill=name,frame=time)) +geom_bar(stat="identity",position="stack",width=1,size=0.25,show.legend...=FALSE)+geom_text(aes(label=paste(cum_confirm)),col="red",hjust=-0.1)+coord_flip()+mytheme+transition_manual...=name,frame=time)) +geom_bar(stat="identity",position="stack",width=1,size=0.25,show.legend=FALSE)+geom_text