#Clinical sas interview questions how to
Run 26) How to deal with the missing date values in SAS?Īns: In SAS while working on the data some time we are having some missing date values. Now, drop and keep statement we will be use in the data set for dropping and keeping the variables. Options drop=var_a keep=var_c * means we are droping here variable var_a and keeping variable var_c Īlso we can use in data and set statement. As well as in set statement and data step. 25) what is the use and difference of drop and keep statement as well as options in SAS?Īns: the drop and keep options we are using independently in the options statement. We will get this output in the output window. Here in our programme it is an exponential operator I.e by using array we will make the series of observation into single variable.Īrray array_name (n) Array_values 24) suppose we have given the following programmeĪns: In SAS different operators are available for making some expression or calculations. It will reduce time as well as hard work. By using array, we will do it by using the single programme. If we are going by traditional way, we want to make programme 20 times.
#Clinical sas interview questions pdf
Whichever program are mentioned within first ods and last ods statement that output will be created in the pdf file.Ģ3) what is the use of array in SAS programme?Īns: suppose if we want to do same task repeatedly many time say 20 time. Ods pdf file = “path with extension where we want to create the file” For that within SAS output delivery system (ODS) is the statement available. Many time we want to convert our SAS output report and outputs into this external reporting files. Related: Phases of clinical trials- Overview 22) how to convert the SAS report and output tables into the external files?Īns: there are many external reporting files are available for submitting the reports and dataset. If we assign the same title or footnote two time in SAS programme it will override to next one and like that output will be create in the report window. We will create the 10 title and and 10 footnote at a time in SAS. Title are visible at the top of the report or table.įootnote1 “ here we are in this table we are having the 2 dropouts” Īnd footnote are visible at the bottom of the report or table. Title1 “ the demographic results for patient n=20 “ This is the continuation of clinical sas programmer interview questions part2.Ģ1) how to assign the title and footnotes for the created report or tables?Īns: we can create the title and footnotes in SAS using title and footnote statement.
Clinical sas programmer interview questions for freshers