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This involved: site selection (e.g. size and sampling frame), sample collection (e.g. sampling technique), and statistical considerations (e.g. design).
The procedure starts with one cluster and iteratively splits the cluster with the lowest frame sample density into subclusters.
The frame sample was generated from Scott's Canadian Medical Directory.
Demographic information from the mobile frame sample was compared to the landline frame sample using χ tests.
Analyses showed that the dual frame sample improved the representation of young adults, males and employed persons in the survey compared to a traditional landline only sample [ 21].
Because there is no geography on mobile phone numbers no stratification can occur and very few of the mobile phone frame sample comes from rural areas.
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Within minutes, both the owner and his assistant had suitably oohed and ahhed over the photo --someone even mentioned how good my hair looked -- and then competently assembled a stack of six frame samples to try.
where it has been assumed that the frame samples are identically independently distributed (i.i.d).i.d
The and are individual frame samples from each of the windows, and, respectively, (2).
Experiments were carried out on five one span, one story frame samples with a scale of 1 2.5.
We then compare the weight effects for the overlapping dual-frame sampling design to the previous landline frame sampling design.
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