%!EPS-keung 
%<pre>%%%%%%%%%%%%%%%%%%%%%%%%%
%% Define the x and y limits %%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
/xo -1       def /xl 0   def  
/yo 0        def /yl 0.8   def
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Define the x and y sizes  %%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
/xs  5 inch  def /xf 2 inch def
/ys  6 inch  def /yf 2 inch def
%%
/lgx {} def     
/lgy {} def     
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Sketch the frame for the graph %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
/ig 1 def
frame
%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Label vertical axis  %%
%%%%%%%%%%%%%%%%%%%%%%%%%%
90 rotate
300 -100 moveto (ACTION)  text   % y -lable
-90 rotate
%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Label horizontal axis %
%%%%%%%%%%%%%%%%%%%%%%%%%%
300  100 moveto (E) text        % x-lable
%
[
%< awk '{print $0}'  wkb.data
 ]
%
[8 4]             0    setdash 
dataline
stack
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