Re: stupid text formatting question
- To: mathgroup at smc.vnet.net
- Subject: [mg45464] Re: stupid text formatting question
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Fri, 9 Jan 2004 05:20:31 -0500 (EST)
- Organization: Universitaet Leipzig
- References: <bti2as$a9t$1@smc.vnet.net>
- Reply-to: kuska at informatik.uni-leipzig.de
- Sender: owner-wri-mathgroup at wolfram.com
Hi, and p01data = (Select[ Transpose[Append[{a1, a2/a4}, Sqrt[a2]/a4]], #[[2]] > 0 &] ) /. {x_? NumericQ, y_?NumericQ, err_?NumericQ} :> {{x, y}, ErrorBar[err]}; MultipleListPlot[p01data, SymbolShape -> {PlotSymbol[Box, Filled -> False]}] ?? Regards Jens Nathan Moore wrote: > > Suppose I have a set of data, > > data= {{0.25, 54, 5, 62}, {0.35, 2878, 354, 3394}, {0.45, 21089, 3824, 27160}, {0.55, 59194, 12313, 79863}}; > > that I split up into vectors, > > a1 = Transpose[data][[1]]; > a2 = Transpose[data][[2]]; > a3 = Transpose[data][[3]]; > a4 = Transpose[data][[4]]; > p01data = Select[Transpose[{a1, a2/a4}], #[[2]] > 0 &]; > p31data = Select[Transpose[{a1, a3/a4}], #[[2]] > 0 &]; > > that I want to plot with the command, > > Show[ > MultipleListPlot[p01data, DisplayFunction->Identity, > SymbolShape->{PlotSymbol[Box,Filled->False]}], > MultipleListPlot[p31data, DisplayFunction->Identity, > SymbolShape->{PlotSymbol[Triangle,Filled->False]}], > PlotRange->All,Frame->True,Axes->False, > DisplayFunction->$DisplayFunction > ] > > All of this works. I wish to include an estimated Poisson Error, given in column format, > > myestimatederror01=Sqrt[a2]/a4; > myestimatederror01=Sqrt[a3]/a4; > > I know that the ErrorBar command is used to include this error bar in the style of: > {{x,y},ErrorBar[error]}, but I can't get the command which would do this to a vector to work properly. > > I think the following should work, It doesn't - what should I use instead? > > p01data = Select[Transpose[{{a1, a2/a4},ErrorBar[Sqrt[a2]/a4] }], #[[2]] > 0 &]; > p31data = Select[Transpose[{{a1, a3/a4},ErrorBar[Sqrt[a3]/a4] }], #[[2]] > 0 &]; > > Nathan Moore