Answer / srinath

Proc surveyselect;
this gives the random selection of observations.

Answer / learner

By using ranuni function. for example you want select 30
percent of data randamly from a data set.

data x;
set y;
if ranuni(100)<.3 ;
run;

here 100 is the seed. the number generated depends on this
seed .

Answer / srikanth

you can use the RANUNI function to select observations
randomly.

Ex:-

data test;
input number @@;
cards;
2.1 3.1 4 6 2.2 4.9 4 5 3 3.3 4 5 3 4.3 5 7 3 3 9 11
;

data test1;
set test;
random=ranuni(1);
run;

%let k=10;

PROC SORT DATA=TEST1;
BY random;/*SORT OBSERVATIONS*/
run;

DATA TEST2;
SET TEST2 (DROP=RANDOM);
IF _N_ LE &K;
RUN;

PROC PRINT ;
RUN;

Answer / neel

By using the point function

Answer / chowdary vamsi

using rununni function generate random sample observations

Answer / name is no need

I think by using mod operator we can select the random
observations.
syntax:mod(_n_,number);

Answer / ram

by using proc sort.

What is SAS informats?

0 Answers  

What is LOGICAL VARIABLES in SAS.And how it can be used..Can anyone support..???

3 Answers  

How to specify variables to be processed by the freq procedure?

0 Answers  

Are you familiar with special input delimiters? How are they used?

4 Answers   Accenture,

What is the basic syntax of a sas program?

0 Answers  

what do the sas log messages "numeric values have been converted to character" mean? : Sas programming

0 Answers  

how do i read multiple spaces in datasets? eg: vijaya raghava perumal.I tried with using & but it workss if its vijaya raghava but not for raghava perumal.how to do this?

8 Answers   Wipro, Xansa,

what is picture format? give any one example?

3 Answers   Parexel,

Below is the table. Required to be output should be the highest number of each student_id. Example. Student_id Subject Marks 1 Hindi 86 2 Hindi 70 3 English 80 . Calculate sum and average marks for each group of student_id Example. Student_id Subject Marks Total Marks Average 1 English 40 181 60.33333 2 English 67 196 65.33333 3 English 80 160 53.33333 PLEASE PROVIDE THE CODE OF ABOVE PROBLEMS

1 Answers   Accenture, HSBC,

name several ways to achieve efficiency in your program? : Sas programming

0 Answers  

Hi Friends, Am Priya,new to your forum. am looking for Interview questions on SAS Platform Administration. I searched everywhere but I couldn't find them,please can anyone help me with complete interview questions normally everyone will face in the interviews on SAS Administration. am really facing problems in the interviews,am not able to answer any of their questions. I would really appreciate all your help if you can email the complete Interview Questions to priyafeb84@gmail.com Kindly awaiting for your reply with eager

0 Answers  

What are the difficulties u faced while doing vital signs table or dataset?

0 Answers