Answer / Anuj Kumar Verma

SAS Optimization refers to techniques and practices aimed at improving the efficiency, speed, and performance of SAS programs. These techniques can be applied at various levels, including data manipulation, statistical analysis, and model building.nnSome common SAS optimization strategies include:n
1. Data compression: Reducing the size of datasets to improve loading and processing times
2. Index creation: Using indexes to speed up data retrieval operations
3. Macro and function library development: Creating custom macros and functions for repetitive tasks to reduce code duplication and increase efficiency
4. Code optimization: Analyzing and refactoring SAS programs to minimize resource usage and execution time
5. Parallel processing: Utilizing multiple processors or computers to speed up the execution of large or complex programs

i have a dataset with 100 obs i want to generate title from 20th obs onwards with total observations. that should contain 100 obs.dont use firstobs and dnt split the data. use dataset block or proc report? how can we genarate;

1 Answers   L&T,

---

At compile time when a SAS data set is read, what items are created?

5 Answers  

---

how to rearrange the data as our wish by using dataset block?

4 Answers   Cognizant,

---

How would you identify a macro variable?

1 Answers  

---

How to find out no. of business days in a month using macros.???(excluding weekends and holidays).

2 Answers   HSBC,

---

What versions of SAS have you used (on which platforms)?

1 Answers   Quintiles,

---

How would you define the end of a macro? : sas-macro

1 Answers  

---

Why double trailing @@ is used in input statement?

1 Answers  

---

explain what is factor analysis? : Sas-administrator

1 Answers  

---

For what purpose(s) would use the RETURN statement?

1 Answers  

---

How can you put a "trace" in your program?

2 Answers   Quintiles,

---

Under what circumstances would you code a SELECT construct instead of IF statements?

7 Answers   Accenture,

---