Re: Legends for Data Plots: an addition to the previous post

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• Subject: [mg129963] Re: Legends for Data Plots: an addition to the previous post
• From: Alexei Boulbitch <Alexei.Boulbitch at iee.lu>
• Date: Thu, 28 Feb 2013 21:24:42 -0500 (EST)
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```...here all works, except the Legends entry for the data is a line and not a
Point...

... there is no simple way to make a common frame. Or at least I do not see such a way...

Hi, Kevin,

This is an addition to my earlier answer. Here is a way to have a common frame or panel around the two legends: one of which is PointLegend and the next is the LineLegend:

Here it is with a Panel:

lst = Transpose[{RandomReal[{0, 3}, 30],
RandomReal[{-0.03, 0.03}, 30]}] /. {x_, y_} -> {x, x*Exp[-x] + y};
ft = FindFit[lst, a + b*x*Exp[-c*x], {a, b, c}, x];

Show[{
ListPlot[lst, PlotRange -> {{0, 3.5}, Automatic}
],

Plot[a + b*x*Exp[-c*x] /. ft, {x, 0, 3},
PlotRange -> {{0, 3.5}, Automatic}, PlotStyle -> Red]
},

(* The legends are in the Epilog start here *)
Epilog -> Inset[Panel[Column[{
PointLegend[{Blue}, {"    Data"}],
LineLegend[{Red}, \
{"f(x)=\!\(\*SuperscriptBox[\(x\[ExponentialE]\), \(-x\)]\)"}]
}]], Scaled[{0.8, 0.85}]]
(* End of the Legends*)

]

Here it is with the Frame:

lst = Transpose[{RandomReal[{0, 3}, 30],
RandomReal[{-0.03, 0.03}, 30]}] /. {x_, y_} -> {x, x*Exp[-x] + y};
ft = FindFit[lst, a + b*x*Exp[-c*x], {a, b, c}, x];

Show[{
ListPlot[lst, PlotRange -> {{0, 3.5}, Automatic}
],

Plot[a + b*x*Exp[-c*x] /. ft, {x, 0, 3},
PlotRange -> {{0, 3.5}, Automatic}, PlotStyle -> Red]
},

(* The legends are in the Epilog start here *)
Epilog -> Inset[Framed[Column[{
PointLegend[{Blue}, {"    Data"}],
LineLegend[{Red}, \
{"f(x)=\!\(\*SuperscriptBox[\(x\[ExponentialE]\), \(-x\)]\)"}]
}], RoundingRadius -> 5], Scaled[{0.8, 0.85}]]
(* End of the Legends *)

]

Have fun.

Alexei BOULBITCH, Dr., habil.
IEE S.A.
ZAE Weiergewan,
11, rue Edmond Reuter,
L-5326 Contern, LUXEMBOURG

Office phone :  +352-2454-2566
Office fax:       +352-2454-3566
mobile phone:  +49 151 52 40 66 44

e-mail: alexei.boulbitch at iee.lu

```

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