what is ae onset date n what is RDS

2579

What are the different versions of sas that you have used until now? : sas-grid-administration

1339

What is data _null_?

1143

What is the difference between the proc sql and data step?

1174

What will calendar procedure do?

1075

what is sas and what are the functions? : Sas-administrator

986

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

2393

Explain how you can debug and test your SAS program?

1013

how do you test for missing values? : Sas programming

1052

How would you include common or reuse to be processed along with your statements?

2371

how are numeric and character missing values represented internally? : Sas programming

1146

What’s the difference between var b1 – b3 and var b1 — b3?

1365

data data1; input dt account; format dt date9.; cards; 1745 1230 1756 1120 1788 1130 1767 1240 ; data data2; input startdt enddt total; format startdt date9. enddt date9.; cards; 1657 1834 12300 1557 1758 16800 1789 1789 12300 1788 1345 12383 1899 1899 13250 ; proc sql; create table data3 as select * from data1 as x left join data2 as y on x.dt>=y.startdt and x.dt<=y.enddt; quit; Here, we are getting cartision product. But,I want left join report consisting of this program. It should not get duplicate values. you can modify the program also.

2205

How is character variable converted into numeric variable and vice versa?

1177

what is the one statement to set the criteria of data that can be coded in any step? : Sas programming

1151