RSS$1=[$sscore$,$ zscored, wscore, scoree$]$

RSS$2=[$sscore$2,$ zscored$2,$ wscore$2,$ scoree$2]$

rg $=$ np$.$arange$(5)$

width $=0\mathrm{.}35$

create bar plot with RSS$1$ and RSS$2?$

call plt$.$xticks$()$ menthod to add labels under the bars indicating which model the pairs of RSS$1$ and RSS$2$ corresponds to

label x $=$ models and y $=$ RSSa and RSS$2$ axis of the plots $?$