Finding Optimal Cutpoints for Continuous Covariates with Time-to-Event Outcomes
I found this interesting article from MayoClinic, where they talked about a macro that finds a cut point for a continuous variable with a time to event outcome. Does anyone know where I can find this...
View ArticleMultiple response problem in SAS
Hi I am a beginner in SAS and I request for your help. I think this is called a multiple response data and how to I go about it. given data: Name psy1 psy2 A can white B can,top Missing C can Missing D...
View Article(SAS) Merging and Creating new variables HELP
I am trying to merge two data sets and then create new variables from these data sets. In my library, I have two data sets (cross1 and long1) with the common variable MEDRNO. I'm trying to merge them...
View ArticleHow to combin factorial split-plot experiment in sas? ( 2years expriment)
Hi I am elementary user of sas, my experiment was 2 years agricultural experiment. The experiment was laid out in the factorial split-plot arrangement based on a randomized complete block (RCB). I can...
View ArticleGraphics in PROC GLIMMIX
Hello, I'm looking to add graphs in SAS using PROC GLIMMIX. I've tried the statement: ods graphics on; before my programming statement however, I cannot get it to generate any graphics. All i'm looking...
View ArticleCLASS function in PROC GENMOD
Hi, Can anyone explain to me what I need to write in the CLASS statement when using PROC GENMOD? I was under the impression that I need to include all categorical (independent) variables that I use in...
View ArticleSas iml
I have base SAS and all the SAS satistical modules including time series and quality add ons. A product I am thinking about buying uses SAS IML. I don't have any idea what that is or if you need to buy...
View ArticleProc Freq quartiles?
Hi gang, Does anyone know if it is possible to have run a PROC FREQ on a continuous numeric variable and have it show quartiles? Or have it show missing, zero, and the 4 quartiles? Help will be much...
View ArticleProc tabulate procedure
Hi, i am trying to create a table with medicines and county names. and I want those values in the table which are >10, as a general code goes,. proc tabulate data=X; class lan substansnamn; table...
View Articlepanel data
can anyone please help me in sas i need a sample panel data and also can someone run it on sas and give me solution here i would realy thnkful to you guys and it helps me to start work on panel data...
View ArticleProq Freq question
Hi, I have a doubt on running proq freq in SAS and here it goes. if I have a data as follows Gender year Increase male 2009 1 female 2010 1 male 2009 0 male 2010 0 female 2010 1 male 2011 0 male 2011 1...
View ArticleDon't understand the error message
I am running SUDAAN from SAS, and the following is my syntax: proc descript data=temp2_13 filetype=sas design=wor notsorted ; nest county strata psu_id; totcnt _zero_ psu _minus1_; weight wt_n1; var...
View ArticleContrasts (simple effects after interaction)
Hi, I need a help with SAS syntax regarding contrasts. I found after I ran GLM some interaction effects, but now I need to find out which independent variable has effect on my dependent variable. My...
View ArticleSomething slow for SAS to compute
This is a strange question. My organization is buying a new computer and there is a lot of uncertainty how much computing power and memory I need. They want me to test the system against something that...
View ArticleSAS Certifications
Hello! I'm new here, so I apologize if this is not the right place for this. I looked around for a similar post but did not see one (I'm sure its hiding somewhere). I am looking into the SAS...
View ArticleSAS Missing Data Imputation: Arrays + Proc STDIZE
Hi Guys I came across this following code: data dataset(drop=i); set data; array mi{*} mi_Ag mi_Inc mi_WR; array x{*} Ag Inc WR; do i=1 to dim(mi); mi{i}=(x{i}=.); end; run; I need to understand two...
View ArticleNeed help with Analyzing Survey data
Hello, I am working on creating descriptive analysis of the survey. Survey has 20 questions. coded as A1-A6, B1-B7....etc. So in the dataset I have 20 different variable coded as 0(No) and 1(Yes). I...
View ArticleResidual analysis Leverage and Influence
Running a multiple linear regression I would like to analyse influence and leverage but a lot of the otherwise useful plots provided by SAS Code: ods trace on; ods graphics on; proc reg data=tmp1...
View ArticleSAS help!
I am trying to download one of these datasets "http://wwwn.cdc.gov/nchs/nhanes/search/datapage.aspx?Component=Examination&CycleBeginYear=2003" but they only open in SAS. It says it creates a...
View ArticleProc arima
When you specify a seasonal MA (1) term is this ESTIMATE Q=(12) ? Does this matter if you have an additive rather than a multiplicative model (in the later case you have a spike at lag 13 I am told)?...
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