[R] error

[firat.ozdemir at deu.edu.tr]

hi,

i have a simulation code for some two sample tests and in the middle of
the simulation, the code gave

Error in if (t1[1] > 0 || t1[2] < 0) yhb = yhb + 1 :
  missing value where TRUE/FALSE needed

what does it mean and how can it be solved..

fırat