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 Jun 10, 2009, 12:09:36 AM (14 years ago)
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plugins/base2/net.sf.basedb.illumina/trunk/README_PluginDetails
r1113 r1114 55 55 current bioassay set. 56 56 57 Whole genome beadchips: 58 57 59 For all signals `i` calculate the detection Pvalue as 58 `Pvalue = 1i/N` where `i` is the rank of the signal relative to 59 the negative controls and `N` is the number of negative controls. 60 `Pvalue = 1i/N` where `R` is the rank of the signal i relative to the 61 negative controls and `N` is the number of negative controls. 62 63 Others (DASL, miRNA, VeraCode DASL, and Focused Arrays): 64 65 For all signals `i` calculate the detection Pvalue as 66 `Pvalue = 1/2  erf( [iAvgControl]/StdControl/sqrt(2) )` where 67 `AvgControl` is the average intensity of the negative controls, 68 `StdControl` is the standard deviation of the ... (to be defined and 69 implemented accordingly), and `erf` is the error function 70 (http://mathworld.wolfram.com/Erf.html). The error function is used 71 for arguments witin the range (4,4). To save CPU cycles, the function 72 value for arguments outside this range is set to 1 and 1, 73 respectively. 60 74 61 75
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