Burlew, M. 2012. SAS Hash Object Programming Made Easy. Cary NC: SAS Institute.Burlew, Michele M. 2012. SAS Hash Object Programming Made Easy. Cary, NC: SAS Institute Inc.Burlew, SAS Hash Object Programming Made Easy, SAS Institute Inc., Cary NC, 2012....
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...
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 your lookup data set. The action of reading your smaller data set sequent...
SAS® Hash Object Programming Made Easy7. SAS IML语法。IML是SAS中类型于MATLAB或者R的矩阵运算模块...
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...其实很简单,如果数据集不是很大的时候可以这样处理:如果是左连接那么就把数据集B放到哈希表中;如果是右连接就把数据集A放到哈希表中;如果是内接连(A inner join B)那么...
1. HASH OBJECT PROPAEDEUTICS What is the SAS hash object? It is a high-performance look-up table residing completely in the DATA step memory. The hash object is implemented via Data Step Component Interface (DSCI), meaning that it is not a part of the DATA step proper. Rather, you ...
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...
*如果做题的时候发现有些知识点是Online Tutor没涉及的,那大多是因为Online Tutor版本旧的关系,比如BASE的ods/execl的libref,ADV的hash object,可到帮助中看看,了解即可不用涉及太深; *有些可执行的题目,最好是拷到SAS上执行一下,看看log,比较下结果,更直观高效。
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