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Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle SwingEffects_{r,t}=timeadj*\mathbf{swingstsdem}_{r=Swinger,p=1}*(WDemoc_{t-1}-DEMOCPOLITY_{r=Swingee,t-1}+timadj*\mathbf{swingstdem_{r=Swinger,p=2}*(DEMOCPOLITY_{r=Swinger,t-1}-DEMOCPOLITY_{r=Swingee,t-1})+timadj*\mathbf{swingstdem_{r=Swinger,p=3}*(RgDemoc-DEMOCPOLITY_{r=Swingee,t-1})}

where timeadj=.2

$WDemoc_{t-1}={\frac {\sum ^{R}DEMOCPOLITY_{r,t-1}}{R}}$

else

<math>SwingEffects_{r,t}=0