Cheng Yan

3 Questions 2 Answers 0 Followers

Questions related from Cheng Yan

Why case-controlled study is more bias prone than cohort study?

I noticed from several articles saying that case-controlled study is more bias prone than cohort study (in the context of cancer early detection using molecular marker). I spent sometime to try to...

18 November 2020 2,147 4 View

What are the pros of retrospective cohort study over case-controlled study?

If I understand correctly, retrospective cohort study collect data by recall, just as case-controlled study. Both of them suffer from recall bias. What is the pros of retrospective cohort study...

18 November 2020 4,711 3 View

How exactly the significantly altered CNV events between two groups were identified?

Dear Naema I am a bioinformatics scientist focusing on cancer genomics. I recently came across you paper 'Genomic characterization of human brain metastases identifies drivers of metastatic...

03 June 2020 3,664 1 View