[R] problem with geepack::geese() argument soffset

I get an error message when trying to specify a scale offset using geese() in library(geepack). Here is a dummy example: v - rep( 1:2, each = 100 ) x - rnorm( 200 ) * sqrt( v ) i - 1:200 summary( geese( x~1, id=i ) ) # works ok summary( geese( x~1, id=i, soffset=v ) ) # fails Error in

Re: [R] problem with geepack

Hi, I think in such cases you need to use the 'wave' parameter (wave = Date), but I must admit I found contradictory comments on how missing values are treated in geepack. Does someone know what geepack is doing with missing values? Popko Giacomo Santini wrote: Hi all I am analyzing a

[R] problem with geepack

Hi all I am analyzing a data set containing information about the behaviour of marine molluscs on a vertical wall. Since I have replicate observations on the same individuals I was thinking to use the geepack library. The data are organised in a dataframe with the following variables Date =