topic Re: date manupulation in SAS Programming

date manupulation

desireatem — Fri, 28 Jul 2017 04:52:08 GMT

Hello-,

I have a date format below. I want to drop the last four digit ie 1950 and 1421 from the date and subtract 2/10/2017-2/9/2017

data AA;

input ADT_IN ADT_OUT;


2/9/2017 1950	2/10/2017 1421
2/8/2017 1750	2/10/2017 1240
2/7/2017 1143	2/9/2017 1250
2/8/2017 1256	2/11/2017 0042





2/8/2017 1357	2/9/2017 1339
2/8/2017 1236	2/10/2017 1809

2/8/2017 1236	2/10/2017 1809

;

How do I perform length of stay (LOS) using the above data. LOS= out-in above

Re: date manupulation

Reeza — Fri, 28 Jul 2017 04:08:25 GMT

SCAN to separate components

INPUT to convert character to date

Re: date manupulation

desireatem — Fri, 28 Jul 2017 04:17:28 GMT

I do not understand.

Re: date manupulation

subobscure — Fri, 28 Jul 2017 04:39:53 GMT

scan the date using spaces as delimiter
Convert the date to numeric
Subtract one value from the other

data a;
date1="2/9/2017 1950";
date2="2/10/2017 1421";

diff=input(scan(date2,1," "),ddmmyy10.)-input(scan(date1,1," "),ddmmyy10.);
run;

Re: date manupulation

desireatem — Fri, 28 Jul 2017 04:53:51 GMT

I did not work.

data D_HPT;
set D_HPT;
los=input(scan(ADT_out,1," "),ddmmyy10.)-input(scan(ADT_IN,1," "),ddmmyy10.);
run;

Re: date manupulation

Kurt_Bremser — Fri, 28 Jul 2017 05:54:46 GMT

Post your example dataset (in a data step!), so we can see the content and attributes of your variables.

"It did not work" is about as helpful as "a bicycle tipped over in Beijing". So post the log of your code, and how the result (if there was one) differed from your expectations.

@desireatem wrote:

I did not work.

data D_HPT;
set D_HPT;
los=input(scan(ADT_out,1," "),ddmmyy10.)-input(scan(ADT_IN,1," "),ddmmyy10.);
run;

Re: date manupulation

desireatem — Fri, 28 Jul 2017 05:56:47 GMT

Thank you

Re: date manupulation

desireatem — Fri, 28 Jul 2017 05:57:34 GMT

works

data D_HPT;
set D_HPT;
los=input(scan(ADT_out,1," "),ddmmyy10.)-input(scan(ADT_IN,1," "),ddmmyy10.)/365;
run;

Re: date manupulation

subobscure — Fri, 28 Jul 2017 10:13:14 GMT

Good that I could be of help.
I concur with what @Kurt_Bremser said. If a piece of code is not working for you, you are supposed to give the snapshot of your log