Dear,
In my data vdate variable contains the following values. I used the following code to convert to isodate. But it gives me " Invalid argument to function INPUT function".
Pleas help why.]
I think my code looks ok.
id vdate(character)
1 17/Jul/2015
2
3 UN/Jan/2016
code;
if vdate ^= '' or compress(vdate,'/') ^= : 'UN' then date1=put(input(vdate,date11.),is8601da.);
;
The log should tell you the offending record which should help you narrow down the issue in your logic.
Also, verify if you want OR or AND
What you realy meant by:
if vdate ^= '' or compress(vdate,'/') ^= : 'UN' then date1=put(input(vdate,date11.),is8601da.);
is if NOT (vdate = ' ' or compress(vdate,'/') = : 'UN' ) then date1=put(input(vdate,date11.),is8601da.);
which, after opening the brackets convert into:
if vdate ^= ' ' AND compress(vdate,'/') ^= : 'UN' then date1=put(input(vdate,date11.),is8601da.);
Other solution is: date1=put(input(vdate,?? date11.),is8601da.);
which in case of vdate is not valid then date1 is missing value.
While I agree with the earlier comments, it might be easiest to understand the observations you are processing if you switched to:
if not (vdate in : (' ', 'UN')) then .....;
The way you have written the logic, every single observation meets the IF conditions.
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