Answer Posted / hari
This is mainly useful for the fast retrival of data (For ex
we have 559 in 1 lac obs then by index we can get the data
with out reading all the observations
Index are 2 type:
1.simple
2.Composite
ex-for simple
proc datasets lib=college;
modify time;
index create class;
run;
ex-for composite:
proc datasets library=college;
modify time;
index create names(=(name school);
run;
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
What versions of SAS have you used (on which platforms)?
describe the interaction table in sas di? : Sas-di
How do you add a number to a macro variable? : sas-macro
what is the difference between: x=a+b+c+d; and x=sum (of a, b, c ,d);? : Sas programming
how does sas handle missing values in assignment statements? : Sas programming
how does sas handle missing values in: assignment statements, functions, a merge, an update, sort order, formats, procs? : Sas programming
What are the table names in oracle database...?
: and & modifiers.
What is the difference between %local and %global? : sas-macro
how can you put a "trace" in your program? : Sas programming
how to debug and test the sas program? : Sas-administrator
What does proc print, and proc contents are used for?
What would be the value of month at the end of data step execution and how many observations would be there?
What do you know about sas and what we do? : sas-grid-administration
Name and describe few sas character functions that are used for data cleaning in brief.
