[pstricks] why this code does not compile

[Per Ting]

The following code is generated automatically by GeoGebra, but I
cannot compile it using latex>dvips>ps2pdf path. Any idea what is
wrong here?

Thanks


\documentclass[11pt]{article}
\usepackage{pstricks-add}
\pagestyle{empty}
\begin{document}
\psset{xunit=1.0cm,yunit=1.0cm,algebraic=true,dotstyle=o,dotsize=3pt
0,linewidth=0.8pt,arrowsize=3pt 2,arrowinset=0.25}
\begin{pspicture*}(-0.2,-0.3)(1.1,5)
\psaxes[labelFontSize=\scriptstyle,xAxis=true,yAxis=true,Dx=0.2,Dy=0.5,ticksize=-2pt
0,subticks=2]{->}(0,0)(-0.2,-0.3)(1.1,5)[x,140] [y,-40]
\psplot[plotpoints=200]{7.494646670914415E-8}{1.1011777301927193}{(x*<*1/2)*(1+x*ln(x)/ln(2)+(1-x)*ln(1-x)/ln(2)-x*0)+(¬(x*<*1/2))*0}
\rput[tl](0.01,2.11){$m=2$}
\rput[tl](0.98,-0.07){$x$}
\rput[tl](0.02,4.48){$y$}
\end{pspicture*}
\end{document}