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Turing, Von Neumann and Tony, what happened? 4. Recursion may have some limitation on efficiency. The above function definitions use recursion. The interaction stops at 170!:ĮRROR: An overflow occurred during execution in function ‘factorial’ in statement number 7 at line 10 column 1. Use this self-defined function to get 170! In SAS 9.2, you can use PROC FCMP(also available at 9.1.3 as a experimental procedure): The results of the operations have been set to missing values.Įxpected or unexpected? I don’t know how this fact(*) function is defined, and try to define a function to calculate the factorials by myself. NOTE: Mathematical operations could not be performed at the following places. NOTE: Invalid argument to function FACT at line 49 column 7. Why not try to use some programming languages?Īs a SAS programmer, my handy tool is SAS of course.įirst, I use SAS data step with its build-in function fact(*): Google and Excel may be the niche players in calculators’ family. Why kinda things happened in this calculator? 171! is just equal to 171*170!. Whoops, nothing interested returned! Type “170!” and get the output: Google calculatorĪs Google fanatics, I first try to search the answer via Google: Logan is the principal consultant at the PBT Group, South Africa.Ĭontinue reading "Data Integration: Blistering ETL Performance Using the Intelligent, Dynamic and Parallel Capabilities of SAS" Posted by Viji Iyer at 4:48 上午 Tagged with: SASĬalculate the factorial of 171 (171!)? Just TRY! It is equal to 171*170*169*….2*1. I reached out to Logan, the star presenter winner of 2010 to find out how he prepared for his paper. You can become a star by giving a presentation that best demonstrates the basic features of SAS Data Integration Studio and techniques for implementing ETL, along with robust methods for integrating data.
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The track focuses on the latest processes for efficiently transforming data into accurate user information. This year, the section is chaired by Sue Douglass, who works as an independent consultant. It won the best paper under the Data Integration section. This week’s signature dish is presented by David Logan in his Blistering ETL Performance Using the Intelligent, Dynamic and Parallel Capabilities of SAS.
#Spss clementine 12 统计数据挖掘工具 series#
The last post in this series featured Ian Healy and Rocket Wong, the paper winners from the Business Intelligence and Analytics section. Through this series, I will be sharing some of those vibrant flavors from our current tracks and section descriptions, as well as interesting aha! moments from our 2010 paper winners. For all our SAS Global Forum connoisseurs, welcome to this series - Snapshot of the Best Papers of 2010.ĭespite running for more than three decades, there’s always something new and exciting cooking at SAS Global Forum.