search for: withouyt

Displaying 1 result from an estimated 1 matches for "withouyt".

Did you mean: without
2002 Dec 06
0
Non-R question.
...ing schools, and as it happens the prevalence of use varies sharply from school to school, so there is over-dispersion. Now we are interested in comparing the prevalences estimated from this study with prevalences from 3 earlier studies (93, 96, 99), which were analysed assuming no overdispersion, withouyt investigating that issue. For various reasons we can not get hold of the original databases from those studies, only the published summary statistics. But we know the structure of sampling were the same as in the 2002 study, so probaby the overdispersion were the same (at least assuming that is the...