7
votes
Double Blind Studies & Confounders
You seem to be mixing a few things here. Unknown confounders are addressed thought randomization, because doing so properly guarantees (in the limit) that any characteristic that may be prognostic for ...
- 5,683
2
votes
Double Blind Studies & Confounders
Adding to PBulls excellent answer:
You can still add covariates/confounders to the analysis in a double blind RCT. It's true that, with random assignment to treatment/control (or more) the confounders ...
- 128k
1
vote
How to specify a risk model?
A risk model is a model that models risk.
The models you show as $\pi = \beta_1 x_1 + \ldots $ are additive risk models. Which is interesting because they perform so badly with even modest numbers of ...
- 64.8k
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