topic How do I extract leading non zero digits? in SAS Procedures

How do I extract leading non zero digits?

VX_Xc — Wed, 21 Mar 2012 03:55:59 GMT

How do I extract leading non zero digits?

For example for .000212 I want to extract leading digit which is 2. and for 123.933 I want to extract leading digit which is 1.

How do I do this? plz help

Linlin — Wed, 21 Mar 2012 04:08:48 GMT

How about:

data have;

input nn;

cards;

.00212

123.933

;

data want;

set have;

m=substr(compress(nn,'123456789','k'),1,1);

proc print;

run;

Obs nn m

1 0.002 2

2 123.933 1

Linlin

Haikuo — Wed, 21 Mar 2012 11:35:59 GMT

Base on LinLin's method, another function choice would be first(), to save some typing:

data want;

set have;

m=first(compress(nn,'123456789','k'));

run;

Haikuo