Longitudinal Data and SAS: A Programmer's Guide (книга)
Longitudinal Data and SAS: A Programmer's Guide | |
Автор: | Ronald P. Cody Ron Cody |
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Оригинал издан: | ???? |
«Longitudinal Data and SAS: A Programmer's Guide» — книга ???? года.
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От издателя 
«Working with longitudinal data introduces a unique set of challenges. Once you've mastered the art of performing calculations within a single observation of a data set, you're faced with the task of performing calculations or making comparisons…»