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Using Lomb-Scargle Periodograms to Identify Periodic Genes in ...

Using Lomb-Scargle Periodograms to Identify Periodic Genes in ...

Using Lomb-Scargle Periodograms to Identify Periodic Genes in ...

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<strong>Lomb</strong>-<strong>Scargle</strong> Experiment:Mixtures: <strong>Periodic</strong> Signal Vs. Noiselog(p) his<strong>to</strong>gramFrequency0 50 100 150'p' His<strong>to</strong>gram for 5000 Simulated Expresson Profiles (N= 48 )p correspond<strong>in</strong>g <strong>to</strong> max Periodogram Power Spectral Density100 % simulated periodic genesFrequency0 500 1000 1500'p' His<strong>to</strong>gram for 5000 Simulated Expresson Profiles (N= 48 )p correspond<strong>in</strong>g <strong>to</strong> max Periodogram Power Spectral Density50 % simulated periodic genesFrequency0 500 1000 1500 2000'p' His<strong>to</strong>gram for 5000 Simulated Expresson Profiles (N= 48 )p correspond<strong>in</strong>g <strong>to</strong> max Periodogram Power Spectral Density0 % simulated periodic genes-8 -6 -4 -2 0-8 -6 -4 -2 0-8 -6 -4 -2 0log10(p)log10(p)log10(p)100% periodic genes 50% periodic50% noise100% noise16

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