在Michele M. Burlew的《SAS® Hash Object Programming Made Easy》一书有这样一段话: While it may seem counterintuitive, it may be more efficient to load your larger data set into the hash object, especially if it is y
记得有本书叫做,SAS Hash object programming made easy。看上去挺有意思的,打算抽时间看看。快要博士开题,估计这样能闲着看书的时间不多了。 6. 总结 总之,SAS入门学习,好书比较重要,由浅入深。前期3分实践,7分读书。后期该如何做,我也不知道,期待有经验的前辈提供知识和经验。 编辑于 2014-10-06 20:14 ...
记得有本书叫做，SAS Hash object programming made easy。看上去挺有意思的，打算抽时间看看。快要博士...
2.Applied Statistics and the SAS Programming Language,Ronald Cody的作品，已出到第五版，中文版译名...
但是由于哈希表是放到内存中的,因此对内存有一定要求!...在实际应用中,我们通常会碰到要选择把哪个数据集放到哈希表中的问题。在Michele M...Burlew的《SAS® Hash Object Programming Made Easy》一书有这样一段话: While it may seem counterintuitive, it may ...
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Hash Tables (SAS 9: Hash Object Tip Sheet) 1. Data Step Hash Objects as Programming Tools, Paul M. Dorfman, Koen Vyverman2. Introduction to SAS® Hash Objects, Chris Schacherer3. Find() the power of Hash - How, Why and When to use the SAS® Hash Object, John Blackwell...
data _null_; if _n_=1 then do; if 0 then set sashelp.class; declare hash h(dataset:'sashelp.class',ordered:'y',multidata:'y'); h.definekey('weight'); h.definedata(all:'y'); h.definedone(); end; rc=h.output(dataset:'want'); run; 0 Likes Reply Our...
The SAS® Hash Object: It's Time To .find() Your Way Around Paper 152-2010: Fecht, Marje; Dhillon, Rupinder SAS® Enterprise Guide®: It's for Programmers Too! Paper 153-2010: DelGobbo, Vince Traffic Lighting Your Multi-Sheet Microsoft Excel Workbooks the Easy Way with SAS®...