Hi all,
  So far I only know one way to get the confidence limit for the Poisson
distribution is to use the look-up table given by the 2 parameter (the
number of observation x and the confidence level, e.g. 95%) and the table is
limit by the maximum number of observations (x <= 50).
  I know the formula to compute the CI, however, mathematically it is not
easy to do it. So, anyone know an R function to do this. Thanks

Tuan.

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