Question: How does TCGA get Segment_Mean in files of copy number variations?
0
gravatar for Ashleyca
2.6 years ago by
Ashleyca0
Ashleyca0 wrote:

Hi all,

I have download the copy number variation file of Ovarian serous cystadenocarcinoma in TCGA.

How does TCGA get Segment_Mean (please see the following image) in the of copy number variations files? Is there any algorithm to calculate the Segment_Mean? What is the algorithm?

enter image description here

The file shown in the above image was downloaded in: https://gdc-portal.nci.nih.gov/search/s

The following image show the position where the file was downloaded:

enter image description here

Thanks for any help.

sequencing snp sequence • 1.1k views
ADD COMMENTlink modified 6 months ago by EagleEye6.2k • written 2.6 years ago by Ashleyca0
0
gravatar for Zhenyu Zhang
2.5 years ago by
Zhenyu Zhang240
United States
Zhenyu Zhang240 wrote:

These were calculated via CBS algorithm using tangent copy number data. The tangent data is derived from Birdsuite package from Affy SNP6 array.

ADD COMMENTlink written 2.5 years ago by Zhenyu Zhang240
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