Dependencies of p in CNV-seq. The relation of p and sliding window size is shown on 0.1× to 8× sequence coverage for log2(r') = 0.6 and average read length 250 bases. The values are computed using equation (5). Increased window length results in decreased probability, p of observing ratio r' or higher by cheer chance. It is possible to compensate lack of coverage by increasing the window size, but this results in lowering the resolution.