Estimation in a growth study with irregular measurement times

Poortema, K. and Tamminga, R.Y.J. and Schaafsma, W. (1993) Estimation in a growth study with irregular measurement times. Statistica Neerlandica, 47 (2). pp. 89-95. ISSN 0039-0402

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Abstract:	Between 1982 and 1988 a growth study was carried out at the Division of Pediatric Oncology of the University Hospital of Groningen. A special feature of the project was that sample sizes are small and that ages at entry may be very different. In addition the intended design was not fully complied with. This paper highlights some aspects of the statistical analysis which is based on (1) reference scores, (2) statistical procedures allowing for an irregular pattern of measurement times caused by missing data and shifted measurement times.
Item Type:	Article
Copyright:	© 1993 Wiley InterScience
Faculty:	Electrical Engineering, Mathematics and Computer Science (EEMCS)
Research Group:	Statistics and Probability (SP)
Link to this item:	http://purl.utwente.nl/publications/71005
Official URL:	http://dx.doi.org/10.1111/j.1467-9574.1993.tb01409.x
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