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09-11-2007 03:52 PM

Hi,

By making connection to a database in SAS, I can select particular columns from a table and this process continues for a set of time periods and all data is meged. Now I want to select a random generated ID's for each and every row that was selected, when I query the final data set.

How to get this?

thanks,

By making connection to a database in SAS, I can select particular columns from a table and this process continues for a set of time periods and all data is meged. Now I want to select a random generated ID's for each and every row that was selected, when I query the final data set.

How to get this?

thanks,

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09-11-2007 06:43 PM

Hope I understand what your after.

One way:

DATA two;

SET one;

id = Uniform(0); * this will generate pseudo random numbers;

RUN;

* sort on the random numbers;

PROC SORT DATA=two;

BY id;

DATA three;

SET two(OBS=100); *** pick 100 "random" observations ;

RUN;

If you have the STAT package, PROC SURVEYSELECT is excellent and very versatile.

.

The above could be replaced by the following:

PROC SURVEYSELECT DATA=one METHOD=srs N=100 OUT=three;

RUN;

One way:

DATA two;

SET one;

id = Uniform(0); * this will generate pseudo random numbers;

RUN;

* sort on the random numbers;

PROC SORT DATA=two;

BY id;

DATA three;

SET two(OBS=100); *** pick 100 "random" observations ;

RUN;

If you have the STAT package, PROC SURVEYSELECT is excellent and very versatile.

.

The above could be replaced by the following:

PROC SURVEYSELECT DATA=one METHOD=srs N=100 OUT=three;

RUN;

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09-13-2007 10:52 AM

That worked, but giving random numbers.

I used id=_N_, which gave observation number as id.

thanks,

I used id=_N_, which gave observation number as id.

thanks,

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09-13-2007 10:58 AM

Also, below one worked:

id1='000'||left(put(_N_,best10.))

thanks

id1='000'||left(put(_N_,best10.))

thanks