由买买提看人间百态

boards

本页内容为未名空间相应帖子的节选和存档,一周内的贴子最多显示50字,超过一周显示500字 访问原贴
Statistics版 - a question about SAS code
相关主题
What's the wrong with this SAS code?[R]how to sample all possible continuous subset from ordered data
[SAS] Efficient way for subsetting data?请问一个开问题的例子与用处
which route in SAS is faster?新人求问SAS简单问题~~
从大data 产生多个小data 的方法问个SAS问题
问一个data subset的问题求 imputation 后 出来的iteration 的数据作用
ask R codea R question
R问题请教:如何从data frame按条件取出部分columnSAS 奇数行 和 偶数行 数据怎么合并
model sample size重要吗?双包子求教:SAS问题
相关话题的讨论汇总
话题: sas话题: data话题: subsetting话题: what话题: where
进入Statistics版参与讨论
1 (共1页)
d*****6
发帖数: 100
1
What is the difference between 'where' and the subsetting 'if' statements
when they are used in the data step?
Thanks for help!!!
s*****h
发帖数: 232
2
both 'where' and 'if' can subset dataset. but 'where' process data before
reading data into buffer and 'if' process data while output dataset.
d*****6
发帖数: 100
3
Thank you very much!!!
1 (共1页)
进入Statistics版参与讨论
相关主题
双包子求教:SAS问题问一个data subset的问题
logistic regression issueask R code
SAS Code question? How to understand this output?R问题请教:如何从data frame按条件取出部分column
请教SQL 要学多长时间model sample size重要吗?
What's the wrong with this SAS code?[R]how to sample all possible continuous subset from ordered data
[SAS] Efficient way for subsetting data?请问一个开问题的例子与用处
which route in SAS is faster?新人求问SAS简单问题~~
从大data 产生多个小data 的方法问个SAS问题
相关话题的讨论汇总
话题: sas话题: data话题: subsetting话题: what话题: where