Hello colleagues,

 

I am a novice with R and am stuck with an analysis I am trying to conduct.
Any suggestions or feedback would be very much appreciated.

 

I am analyzing a data set of psi (ESP) ganzfeld trials.  The response
variable is binary (correct/incorrect), with a 25% base rate.  I've looked
around the documentation and other online resources and cannot find how I
can correct for that base rate when I conduct a logistic regression.  I
understand that the correction would be equivalent to the three parameter
logistic model (3PL) in IRT but am unsure how to best fit it from a logistic
regression in R.

 

Thanks much,

 

Mike Lau

 

__________________________________ 
Michael Y. Lau, M.A. 
118 Haggar Hall 
Department of Psychology 
University of Notre Dame 
Notre Dame, IN 46556 
 
  

 


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