Warning message in pec function using rfsrc model in R











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I have used Random Survival Forest function from randomForestSRC package on a traindata and then to calculate Brier Score on testing set I have used pec function from pec package as follows:



PredError <- pec::pec(object=model,

formula=frmla, cens.model="cox",

data=testdata, verbose=F, maxtime=1000,testIBS=TRUE)


The function returns this warning message:



In fitter(X, Y, strata = Strata, offset = offset, weights = weights,  :

  Ran out of iterations and did not converge


Can someone help me to understand the meaning?






r warnings survival-analysis







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    up vote
    0
    down vote

    favorite












    I have used Random Survival Forest function from randomForestSRC package on a traindata and then to calculate Brier Score on testing set I have used pec function from pec package as follows:



    PredError <- pec::pec(object=model,
    
formula=frmla, cens.model="cox",
    
data=testdata, verbose=F, maxtime=1000,testIBS=TRUE)


    The function returns this warning message:



    In fitter(X, Y, strata = Strata, offset = offset, weights = weights,  :
    
  Ran out of iterations and did not converge


    Can someone help me to understand the meaning?






    r warnings survival-analysis







    share|improve this question
























      up vote
      0
      down vote

      favorite









      up vote
      0
      down vote

      favorite











      I have used Random Survival Forest function from randomForestSRC package on a traindata and then to calculate Brier Score on testing set I have used pec function from pec package as follows:



      PredError <- pec::pec(object=model,
      
formula=frmla, cens.model="cox",
      
data=testdata, verbose=F, maxtime=1000,testIBS=TRUE)


      The function returns this warning message:



      In fitter(X, Y, strata = Strata, offset = offset, weights = weights,  :
      
  Ran out of iterations and did not converge


      Can someone help me to understand the meaning?






      r warnings survival-analysis







      share|improve this question













      I have used Random Survival Forest function from randomForestSRC package on a traindata and then to calculate Brier Score on testing set I have used pec function from pec package as follows:



      PredError <- pec::pec(object=model,
      
formula=frmla, cens.model="cox",
      
data=testdata, verbose=F, maxtime=1000,testIBS=TRUE)


      The function returns this warning message:



      In fitter(X, Y, strata = Strata, offset = offset, weights = weights,  :
      
  Ran out of iterations and did not converge


      Can someone help me to understand the meaning?






      r warnings survival-analysis




      r warnings survival-analysis






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked yesterday









      Katherina

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