Modeling sparsely clustered data: Design-based, model-based, and single-level methods.
2016 ◽
Vol 46
(2)
◽
pp. 855-869
◽
2019 ◽
Vol 19
(1)
◽
pp. 36-60
2012 ◽
Vol 19
(1)
◽
pp. 16-35
◽
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