fileIO-plot-two_plots_same_axis+fileio+pgf.tex

\documentclass[border=10pt]{standalone}

\usepackage{pgfplots}
\pgfplotsset{compat=newest}

\begin{document}

% Preamble: \pgfplotsset{width=7cm,compat=newest}
\begin{tikzpicture}
    \begin{axis}
	    [
			height=9cm,
			width=9cm,
			grid=major,
	    ]
	    % \addplot gnuplot[id=filesuffix]{(-x**5 - 242)};
	    \addlegendentry{model}
		    
		    \addplot coordinates {
			    (-4.77778,2027.60977)
			    (-3.55556,347.84069)
			    (-2.33333,22.58953)
			    (-1.11111,-493.50066)
			    (0.11111,46.66082)
			    (1.33333,-205.56286)
			    (2.55556,-341.40638)
			    (3.77778,-1169.24780)
			    (5.00000,-3269.56775)
			    };
		    \addlegendentry{estimate}
	    \end{axis}
    \end{tikzpicture}

\end{document}