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Author Topic: A did a log linear fit, have at it  (Read 675 times)
Altoidnerd
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February 21, 2014, 07:27:56 AM
 #1

Fun with fitting!



Now...looking into the FUTURE!!!!



More graphs for lulz



And



grab the excel sheets on the article's page at altoidnerd.com

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Altoidnerd
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February 21, 2014, 07:32:26 AM
 #2

Reserved in case people want raw data not in the form of trojan risk excel file.

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February 21, 2014, 08:15:02 AM
 #3

Oh and here is a power spectrum for periodicity - looks like some relevant peaks at 163 and 175 days:



I used Mathematica to create this.

I pasted the 893 numbers into input[1] in a notebook, and the output labeled each as Out[1], Out[2], ...  

Then I did

Code:
Price = Table[Out[k], {k, 1, 893}];

FFTPrice = Abs[Fourier[Price]]^2;

Length[FFTPrice]

returned

Code:
893

Then drop half of it (it's symmetrical and half is a copy...useless)

Code:
FFTHALF = Drop[FFTPrice, -446];

ListLinePlot[FFTHALF, ImageSize -> 1400, PlotRange -> {0, 12000}]


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