\PYG{p}{(}\PYG{n+nf}{print} \PYG{l+s}{\PYGZdq{}Please activate R in org\PYGZhy{}babel (org\PYGZhy{}babel\PYGZhy{}do\PYGZhy{}lnaguages)!\PYGZdq{}}\PYG{p}{))}
\PYG{p}{[}\PYG{l+s+s2}{\PYGZdq{}Hong Kong\PYGZdq{}}\PYG{p}{,} \PYG{l+s+s2}{\PYGZdq{}China\PYGZdq{}}\PYG{p}{],} \PYG{c+c1}{\PYGZsh{} China without Hong Kong}
\PYG{n+nf}{ggtitle}\PYG{p}{(}\PYG{l+s}{\PYGZdq{}Cumulative confirmed cases of Covid\PYGZhy{}19\PYGZdq{}}\PYG{p}{,} \PYG{n}{subtitle}\PYG{o}{=}\PYG{l+s}{\PYGZdq{}In selected countries since the beginning of 2020\PYGZdq{}}\PYG{p}{)} \PYG{o}{+}
\PYG{n+nf}{ggtitle}\PYG{p}{(}\PYG{l+s}{\PYGZdq{}Cumulative confirmed cases of Covid\PYGZhy{}19\PYGZdq{}}\PYG{p}{,} \PYG{n}{subtitle}\PYG{o}{=}\PYG{l+s}{\PYGZdq{}In selected countries since the beginning of 2020, on a logarithmic scale\PYGZdq{}}\PYG{p}{)} \PYG{o}{+}