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. 2010 Jun 1;26(12):i106–i114. doi: 10.1093/bioinformatics/btq213

Fig. 5.

Fig. 5.

Empirical motivation for the ℓ1 − ℓ1−total variation functional for smoothing CGH data. (A) The plot shows the histogram of values found in the CGH data obtained from the Navin et al. (2010) dataset. The distribution is well fit by the high kurtosis Laplacian distribution in lieu of a Gaussian. (B)The plot shows the distribution of differences along the probe array values. As with the values distribution, these frequencies exhibit high kurtosis.

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