结果:找到“data step”相关内容86个,排序为按回复时间降序,搜索更多相关帖子请点击“高级”
SAS学习教程完整篇(绝佳的SAS考试复习材料)
5 个回复 - 5430 次查看
SAS手把手教学课件,SAS base和advance考试必看,目录如下:Chapter 1Applied Statistical Computation with SASChapter 2Referencing Files and Setting OptionsChapter 3Editing and Debugging SAS ProgramsChapte ...
2015-5-23 03:12 - rimon3426 - 现金交易版
Database Modeling Step by Step
4 个回复 - 476 次查看
**** 本内容被作者隐藏 ****
With the aim of simplifying relational
database modeling, Database Modeling Step-by-Step presents the standard approach to
database normalization and then adds its own ...
2020-9-19 01:40 - Nicolle - winbugs及其他软件专版
基于SAS data step 神经网络
5 个回复 - 5950 次查看
*本程序提供SAS爱好者交流学习,禁止商业用途;
*算法参考冯定;
*案例DeepLearning http://blog.sina.com.cn/s/blog_593af2a70101endk.html;
*作者:keming;
*开发于2008年7月.;
读者可先阅读http://blog.sina ...
2015-2-24 22:17 - keming0513 - SAS专版
R for Data Analysis in easy steps
37 个回复 - 1327 次查看
English | ISBN: 1840787953 | 2018 | EPUB | 192 pages |
The R language is widely used by statisticians for
data analysis, and the popularity of R programming has therefore increased substantially in ...
2018-2-27 15:23 - igs816 - 经管书评
SAS data step view
2 个回复 - 1858 次查看
data data1/view=
data1;
input name $ dept $;
cards;
lisa math
jones art
nick science
;
run;
SAS log窗口显示 错误的原因砸哪里?这样通过input statement 不能创建view吗?
NOTE: DATA STEP view ...
2017-9-18 10:45 - jeremyyang - SAS专版
How to Clean Your Data Quickly in 5 Steps
2 个回复 - 1165 次查看
Let’s face it – cleaning
data is a waste of time.If only the
data had been collected and entered carefully in the first place, you wouldn’t be faced with days of
data cleaning to do. Worse still, y ...
2017-2-9 23:06 - oliyiyi - LATEX论坛
发新书-Handbook of SAS data step programming
6 个回复 - 2682 次查看
高清非扫描版。
该书Amazon链接:http://www.amazon.com/Handbook-SAS%C2%AE-DATA-Step-Programming/dp/1466552387/ref=sr_1_1?ie=UTF8&qid=1383531607&sr=8-1&keywords=SAS+
data+
step
最近没积分了,所以设了 ...
2013-11-4 10:45 - jeroc - 商业数据分析
7 Steps to Mastering SQL for Data Science
3 个回复 - 1092 次查看
By Matthew Mayo, KDnuggets.
Structured Query Language (forever and always referred to henceforth as SQL, and usually pronounced "sequel") is thelanguage for managing and querying
data in relational d ...
2016-8-13 20:51 - oliyiyi - LATEX论坛
DATA Step Hash Object
2 个回复 - 2283 次查看
1. Howto Implement the SAS® DATA Step Hash Object
2.
GettingStarted with the DATA Step Hash Object
3.
AnIntroduction to SAS® Hash Programming Techniques
三本文献,求分享
...
2016-5-28 17:39 - jackszu - SAS专版
关于data step的一个问题
4 个回复 - 1525 次查看
请教以下问题
data wk3;
do ii=3 to 6 by 3;
'C'&ii&'C'=0这样写好像不行。。。。
end;
run;
如何通过 do 和end 如何作成c3c=0 c6c=0的1行2变量的数据组?
2015-4-29 13:33 - winwin2013 - SAS专版
如何去data step中一个变量的片段
1 个回复 - 1185 次查看
比如一个
data step中有两列
一列是日期, 一列是股票价格
如何将股票价格取出来放在数组中?我想进行运算
如果取果如60天的股价放在数组中?
平滑移动
2012-2-29 16:10 - ihs - SAS专版
do over a array syntax in a data step
0 个回复 - 1076 次查看
data class;
set sashelp.class;
array numvar _numeric_;
do over numvar;
numvar=numvar*100;
end;
run;
title '
data set sashelp.class';
proc print
data=sashelp.class;run;
ti ...
2014-12-14 02:19 - bobguy - SAS专版
DATA Step Views
1 个回复 - 1091 次查看
DATA
step viewis a native view that has the broadest scope ofany SAS
data view. It contains stored DATA
step programs that can read
datafrom a variety of sources, including:1, raw
data files;2, SAS ...
2014-8-19 00:00 - fankaiqing - 商业数据分析
parallel computing in data step (SAS 9.4)
4 个回复 - 1302 次查看
SAS 9.4 has parallel-processing feature in
data step and other procs. Here is an example in
data step.
/* The following DATA
step creates the input for the DS2 program. */
data in;
do i ...
2014-2-16 08:57 - bobguy - SAS专版
如何提高sas的data step的读取速度
30 个回复 - 8959 次查看
本人用sas进行些股票的研究。
数据是从大智慧上拷贝的,格式如下:
一只股票一个txt文件,有2036只股票;每只股票记录的天数大概在1500天左右,每天有8个变量(开盘,最高,最低。。。等)
用sas
data step 读 ...
2011-1-17 22:18 - shewenhao - SAS专版
Data step, 用@定位input数据
9 个回复 - 1577 次查看
我们知道在用DATA步infile 外部数据的时候,可以用@“text_string”来定位所读入的数据,如:
Data temp;
input @ "XYZ" value $;
Datalines;
ABCXYZETPF
EIFTXYZOPBC
...
2013-1-25 20:25 - edwardzxf - SAS专版
Cholesky decomposition in data step
0 个回复 - 1200 次查看
The Cholesky decomposition can be used in a
data step by defined it within fcmp. Also see http://bbs.pinggu.org/thread-1129334-1-1.html
proc fcmp outlib=sasuser.funcs.temp;;
subroutine Choles ...
2012-3-30 10:33 - bobguy - SAS专版
inverse a square matrix in data step
0 个回复 - 1384 次查看
Several call routine in SAS/IML are now can be defined in FCMP and used in
data step and other proccedures. Here is an example for inverse a matrix(array) in
data step.
proc fcmp outlib=sasuser.fun ...
2012-3-30 10:15 - bobguy - SAS专版
Find maximum/minimum in a group with data step
2 个回复 - 1267 次查看
The same problem can be solved with SQL. But it may have a performance issue.
A
data step is much faster.
Replacing tmpy=1e308; ---> tmpy=-1e308;
and min=tmpy[1]; ---> max=tmpy[&k];
will ...
2011-7-26 11:16 - bobguy - SAS专版
一个data step merge 问题
10 个回复 - 2154 次查看
假设 有两个sas数据集,A (50个观测),B (200个观测)。共同变量:ID
想把它们merge起来,by ID, 并且要保留A和B的所有观测。应该怎样执行?(不能用proc sql)
2011-2-23 15:16 - Actree - SAS专版
SAS DATA STEP PDV and INPUT BUFFER
1 个回复 - 2569 次查看
售价: 论坛币 2个 [记录] [购买]
[分享]How SAS® Thinks Neil Howard, Basking Ridge, NJ
ABSTRACT
The DATA
step is the most powerful tool in the SAS system. Understanding the internals ...
2010-3-2 13:05 - foxjianfeng - 商业数据分析
PROC MEANS和DATA STEP实现均值 样本数以及标准差的计算
1 个回复 - 4852 次查看
转自博客:
http://crackman.net/
data crackman;
input x@@;
datalines;
1 2 6 8 0 5 2 3 5 6 9 10
;
run;
/*用MEANS求均值和标准差*/
proc means
data=crackman;
var x;
run;
/*
data step里求均值和标 ...
2010-10-22 17:46 - crackman - SAS专版
PROC SQL for DATA Step Die-hards
3 个回复 - 1296 次查看
The DATA
step is a real workhorse for virtually all SAS users. Its power and flexibility are probably among the key
reasons why the SAS language has become so widely used by
data analysts,
data manag ...
2010-5-15 09:35 - fangmei723 - 商业数据分析
How to Think Through the SAS® DATA Step
1 个回复 - 1302 次查看
Free download SAS master piece, must read
http://www2.sas.com/proceedings/sugi31/246-31.pdf
Abstract
You are relatively new to SAS and interested in writing SAS code. You have probably writ ...
2010-1-23 23:21 - bobguy - SAS专版