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Re: I'm puzzled by drastic truncation of y-axis in DateListLogPlot
*To*: mathgroup at smc.vnet.net
*Subject*: [mg115412] Re: I'm puzzled by drastic truncation of y-axis in DateListLogPlot
*From*: DrMajorBob <btreat1 at austin.rr.com>
*Date*: Mon, 10 Jan 2011 02:39:33 -0500 (EST)
Criminy! If PlotRange -> All means "all points are included", why do we
need "PlotRange -> Full"?
What's the difference, other than "All" not meaning ALL?
Bobby
On Sun, 09 Jan 2011 22:45:23 -0600, Syd Geraghty <sydgeraghty at me.com>
wrote:
> Bob,
>
> Sorry about my mistake ... I was experimenting trying to make it work OK
> and tried both
>
> 1 PlotRange->All
>
> 2 PlotRange->Full
>
> and it was PlotRange->Full that actually worked OK.
>
>
>
> Cheers .... Syd
>
> Syd Geraghty B.Sc, M.Sc.
>
> sydgeraghty at mac.com
>
> Mathematica 8.0 for Mac OS X x86 (64-bit) (November 6, 2010)
> MacOS X V 10.6.5 Snow Leopard
> MacBook Pro 2.33 GHz Intel Core 2 Duo 2GB RAM
>
> On Jan 9, 2011, at 7:12 PM, DrMajorBob wrote:
>
>> I tried PlotRange->All, and it made no difference. (Version 8.)
>>
>> Bobby
>>
>> On Sun, 09 Jan 2011 01:16:44 -0600, Syd Geraghty <sydgeraghty at me.com>
>> wrote:
>>
>>> Hi James,
>>>
>>> Its not you ....
>>>
>>>
>>> Just add PlotRange->All
>>>
>>> to the options of DateListLogPlot and all will be well.
>>>
>>> Its a bug / Feature that should be reported.
>>>
>>>
>>> Cheers .... Syd
>>>
>>> Syd Geraghty B.Sc, M.Sc.
>>>
>>> sydgeraghty at mac.com
>>>
>>> Mathematica 8.0 for Mac OS X x86 (64-bit) (November 6, 2010)
>>> MacOS X V 10.6.5 Snow Leopard
>>> MacBook Pro 2.33 GHz Intel Core 2 Duo 2GB RAM
>>>
>>> On Jan 7, 2011, at 1:13 AM, James Stein wrote:
>>>
>>>> I ran into some curious behavior I can't explain. I have two rather
>>>> benign
>>>> lists of numbers, of equal length. When either is plotted alone, all
>>>> goes as
>>>> expected; and when they are plotted together, all goes *almost* as
>>>> expected. Dropping the last two or more values makes the plotting
>>>> normal,
>>>> but dropping only one, or none, the y axis extends up only to 5
>>>> (instead of
>>>> to 20); and the dropped values are not near the extreme values.
>>>>
>>>> If you copy the below into a cell and evaluate it, the gist of what
>>>> I've
>>>> said above will, I hope, be clear. Have I done something stupid?
>>>>
>>>> (* d is a list of dates; a and b are data; we combine 'd'
>>>> with a and b to form two lists for DateListLogPlot: *)
>>>> d={{2007,8,31},{2007,9,28},{2007,10,31},{2007,11,30},{2007,12,31},{2008,1,31},{2008,2,29},{2008,3,31},{2008,4,30},{2008,5,30},{2008,6,30},{2008,7,31},{2008,8,29},{2008,9,30},{2008,10,31},{2008,11,28},{2008,12,31},{2009,1,30},{2009,2,27},{2009,3,31},{2009,4,30},{2009,5,29},{2009,6,30},{2009,7,31},{2009,8,31},{2009,9,30},{2009,10,30},{2009,11,30},{2009,12,31},{2010,1,29},{2010,2,26},{2010,3,31},{2010,4,30},{2010,5,28},{2010,6,30},{2010,7,30},{2010,8,31},{2010,9,30},{2010,10,29},{2010,11,30},{2010,12,31},{2011,1,4}};
>>>> a={20.78,21.3,18.5,16.11,13.58,10.04,6.74,5.88,7.63,9.32,8.83,7.84,8.04,5.07,2.41,1.94,1.48,1.64,1.82,2.04,2.4,2.88,2.46,2.05,1.74,2.1,1.48,1.81,1.97,1.67,1.79,2.13,2.35,2.52,2.12,2.34,2.23,2.6,2.5,2.38,2.6,2.64};
>>>> b={1.43,1.45,1.48,1.50,1.52,1.55,1.57,1.59,1.62,1.64,1.67,1.696,1.712,1.75,1.77,1.80,1.83,1.86,1.88,1.91,1.94,1.97,2.00,2.03,2.1,2.10,2.13,2.16,2.20,2.23,2.26,2.30,2.33,2.36,2.40,2.44,2.48,2.52,2.55,2.59,2.63,2.64};
>>>> a=Transpose[{d,a}];
>>>> b=Transpose[{d,b}];
>>>> c={a,b};
>>>>
>>>> (* a and b can be plotted alone; but when plotted together
>>>> we get drastic truncation at the top of the log axis: *)
>>>> DateListLogPlot[a,Joined->True,PlotLabel->"a alone"]
>>>> DateListLogPlot[b,Joined->True,PlotLabel->"b alone"]
>>>> DateListLogPlot[c,Joined->True,PlotLabel->"a and b"]
>>>>
>>>> (* the drastic truncation occurs suddenly; if at least two rightmost
>>>> values
>>>> are truncated, all is OK: *)
>>>> x=Length[d];
>>>> Table[DateListLogPlot[{Take[a,n],Take[b,n]},Joined->True,PlotLabel->ToString[n],ImageSize->Small],{n,x-3,x}]
>>>>
>>>
>>>
>>
>>
>> --
>> DrMajorBob at yahoo.com
>
--
DrMajorBob at yahoo.com
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