Syntax:
set style spiderplot
{fillstyle <fillstyle-properties>}
{<line-properties> | <point-properties>}
),
spiderplot (p.
).
Example:
# Default spider plot will be a polygon with a thick border but no fill
set style spiderplot fillstyle empty border lw 3
# This one will additionally place an open circle (pt 6) at each axis
plot for [i=1:6] DATA pointtype 6 pointsize 3