data long_sum; set have; array v(60); *list of variables with diseases; do index1=1 to dim(v)-1; do index2=index1+1 to dim(v); if v(index1)=1 and v(index2)=1 then do; disease1 = vname(v(index1)); *gets disease name; disease2 = vname(v(index2)); outp...
Graph: Refers to the individual output that is created by the procedure. In most of the common use cases, each execution of the procedure creates one graph output file. Often these procedures produce multiple output files (for BY variable usage, or paging of large panels), each of which is...
At a recent conference in Las Vegas, a presenter simulated the sum of two dice and used it to simulate the game of craps. I write a lot of simulations, so I'd like to discuss two related topics: How to simulate the sum of two dice in SAS. This is Read More EnglishData...
STDERR Function Returns the standard error of the mean of the nonmissing arguments. SUM Function Returns the sum of the nonmissing arguments. SUMABS Function Returns the sum of the absolute values of the non-missing arguments. USS Function VAR Function Returns the uncorrected sum of squares ...
6. 18 Correct answer: d You do not need to name the variables in a VAR statement if you specify them in the SUM statement, but you can. If you choose not to name the variables in the VAR statement as well, then the SUM statement determines the order of the variables in the output...
Can you sort on multiple variables? Yes How do you create a grouped report? Step 1 Use the SORT procedure to group data in adata set. Step 2 Use a BY statement in PROC PRINT to displaythe sorted observations grouped by the variable of interest. True or False, The DESCENDING option reve...
the sas base programming exam is property of sas institute inc. sas and may not be copied or disseminated without the pr
In multiple logistic regression, a response variable can have several levels, such as low, medium and high, or 1, 2 and 3. Decision trees are classification models that partition data into subsets based on categories of input variables. This helps you understand someone's path of decisions. ...
a DATA step can contain multiple SET statements. 2. RETAIN的作用:对于数据集中新声明的变量,SAS会在data步循环执行开始时将其置为空值,而如果该变量是retain的变量,则不被置空。 The RETAIN statement prevents SAS from re-initializing the values of new variables at the top of the DATA step. ...
输出的结果如下:Dependent Variable: sales Sum of Source DF Squares Mean Square F Value Pr F Model 7 1552. 221. 2.43 0.0842 Error 12 1093. 91. Corrected Total 19 2646. R-Square Coeff Var Root MSE sales Mean 0. 23.45440 9. 40.70000 Source DF Anova SS Mean Square F Value Pr F design...