| Other SAS Interview Questions |
|| Asked @
|i have a null dataset with 20 variables. i want to upload the
variables which contain name like a or k or anything in
another dataset.how can we create the dataset?
|Why is a STOP statement needed for the point=option on a
|What is the one statement to set the criteria of data that
can be coded in any step?
|"What is the difference between proc sort nodup and proc
|what are all the ways to define macro variable??
|We have a string like this "kannafromsalembut" ,from this i
want to get only "fromsal" (but one condition with out
using substring function)here we can not use scan because in
the given string there is no delimeter? so give ans without
out using substring ?
|I need help in merging two different datasets. I am merging
by date and I want to propagate observations from one
dataset to the corresponding dates. One dataset has a
unique date for each day of the month, while the other
dataset has same date for different patient visits. For
example I want to spread an observation on the 31DEC2008
from one dataset to several observations with the same date
on a second dataset for all the patients who visited on
that date. I have tried to merge the two and the result is
not what I wanted. Instead I get a dataset whereby all the
dates have missing values where observations from the first
datset should have spread.
|how do we get duplicate observations in a separate dataset?
input x y ;
Proc Freq data=abc;
tables x*y / chisq nopercent nocol norow PLCORR;
If we run the code, we have Polychoric Correlation = 0.9054
in the last table.
I want to extract this particular entry with the value.
Means I will create one dataset in which this value will be
I need your help in coding this. Please help me out.
|Can you use a macro within another macro? If so how would
SAS know where the current acro ended and the new one
|What is the difference between verification and validation?
|describe about joins? briefly?
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