[R-sig-ME] Random intercept model- unbalanced cluster

Yashree Mehta y@@hree19 @ending from gm@il@com
Mon Oct 29 22:13:06 CET 2018

Or is there an alternative method of modeling this subset of households who
only own one plot?

thank you,


On Thu, Oct 25, 2018 at 6:00 PM Yashree Mehta <yashree19 using gmail.com> wrote:

> Hi,
> I am working with a random intercept model on a cluster dataset (Repeated
> measurements of plots per household). I have the usual "X" vector
> of covariates and one id variable which will make up the random
> intercept. For example,
> Response variable: Production of maize
> Covariates: Size, input quantities, soil fertility dummies etc..
> ID variable: Household_ID
> However, about 40% of the households own one plot. The number of plots per
> household ranges from 1 to 13.
> When I estimated the random intercept model using lmer, I can extract a
> random intercept for all households, irrespective of their number of plots.
> How does lmer treat these households with just 1 plot? Also, is it
> theoretically correct to include these observations ?
> Thank you,
> Regards,
> Yashree

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