search for: 22sample

Displaying 1 result from an estimated 1 matches for "22sample".

2008 Nov 12
1
sample size estimation for count (poisson?) data?
Is there a function in R that will allow me to estimate the sample size required from count data (poisson data?), given the known variance and desired margin of error and confidence interval? My specific data set will be based on a survey of hikers that will be asked about the number of animals of species 'x' they observed during a given period. I need to know the number of hikers