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how to convert from CpG island methylation array ID to target ID?

Dear all, I have a list of CpG island methylation array IDs, like "CHR0100P000018599", I would like to convert these IDs into target IDs as "cg....." or probID. Is there some quick r package I could apply for directly? or do I need mapping with the chr number and position? Thanks in advance! Best, Xinhui

symbel cpg id methylation target gene ids island array
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written by xinhui.wang xinhui.wang

From which array is it ? You may be able to retrieve the annotation file corresponding to your array

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written by Basti • Basti

Hi, thanks. One data is from chip A-GEOD-8490 - Illumina HumanMethylation27 BeadChip (HumanMethylation27_270596_v.1.2) and another one is from A-MEXP-2255 - Illumina Infinium HumanMethylation450 BeadChip. Do you have any idea of the mapping of these reads? Best, Xinhui

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written by xinhui.wang xinhui.wang

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