| my.axis | R Documentation | 
Add a pretty axis
my.axis(side, shade_years = NULL, ylab = "", yticks = NA)
side | 
 Number indicating the side to add an axis (as in the side number
passed to   | 
shade_years | 
 An optional numerical vector of length two giving the minimum and maximum years over which to add a light grey shading.  | 
ylab | 
 Y axis label  | 
yticks | 
 Logical: should y-axis ticks be added?  | 
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