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From: Jaebum Jung on 7 Jul 2010 07:40
There is an issue with using PlotLegend with DateListPlot (will be fixed
in the future version).

For now, you could convert data to AbsoluteTime to make it work.

Needs["PlotLegends`"]

data1={{{2006,10,1},10},{{2006,10,15},12},{{2006,10,30},15},{{2006,11,20},20}};
data2={{{2006,10,5},15},{{2006,10,20},8},{{2006,11,10},5},{{2006,11,15},1}};

DateListPlot[Map[{AbsoluteTime[#[[1]]],#[[2]]}&,{data1,data2},{2}],PlotLegend->{"sine","cosine"},Joined->True]

Jaebum

On 7/5/10 8:14 PM, divisor wrote:
> Hello MathGroup:
>
> I have this exceeding simple test case from the supplied Documentation
> Center (I added PlotLegend):
>
> Needs["PlotLegends`"]
>
> data1 = {{{2006, 10, 1}, 10}, {{2006, 10, 15}, 12}, {{2006, 10, 30},
> 15}, {{2006, 11, 20}, 20}};
> data2 = {{{2006, 10, 5}, 15}, {{2006, 10, 20}, 8}, {{2006, 11, 10},
> 5}, {{2006, 11, 15}, 1}};
>
> DateListPlot[{data1, data2}
> , PlotLegend -> {"sine", "cosine"}
> , Joined -> True]
>
> It burps out lots of error messages (mostly about PadRight and Table)
> and does not print the legend.
>
> This simple example works with ListPlot[] and other plotting
> functions. Any help on this is greatly appreciated.
>
> $Version=7.0 for Microsoft Windows (64-bit) (February 18, 2009)
>
> Regards..
>
> Roger Williams
> Franklin Laboratory
>
>


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