Re: [R] Imputing missing values using "LSmeans" (i.e., population marginal means) - advice in R?

2012-04-06 Thread Jenn Barrett
ever, I'm concerned that I'm doing something wrong given the output for the marginal means for years (i.e., averaging across sites). Thanks in advance for any input. Cheers, Jenn - Original Message From: "Andy Liaw" To: "Jenn Barrett" , r-help@r-project.or

[R] Imputing missing values using "LSmeans" (i.e., population marginal means) - advice in R?

2012-04-03 Thread Jenn Barrett
Hi folks, I have a dataset that consists of counts over a ~30 year period at multiple (>200) sites. Only one count is conducted at each site in each year; however, not all sites are surveyed in all years. I need to impute the missing values because I need an estimate of the total population siz