/********************************************************************************

Preparatory steps

********************************************************************************/

/********************************************************************************

*null value representation in sas for character and numeric variables;
*two automatic variables in sas: _error_ and _n_;
*Another automatic variable in sas: _infile_;

********************************************************************************/

/********************************************************************************

Basic code

********************************************************************************/

/********************************************************************************

usage of put statement

********************************************************************************/

715
  716   data put01;
  717      put "This is the first line in log with put statement";
  718      put "This is the second line in log with put statement";
  719      name="CSG";
  720      put "*******************************************my asterisks";
  721      put ;
  722      put "We mention the name of the variable to see the value present in it in the log";
  723      put ;
  724      put "My Variable is 'name' and the value in it is : " name;
  725      put "**** " name " ****";
  726      put "****" name "****";
  727   run;
   
  NOTE: Compression was disabled for data set WORK.PUT01 because compression overhead would increase the size of the data set.
  This is the first line in log with put statement
  This is the second line in log with put statement
  *******************************************my asterisks
   
  We mention the name of the variable to see the value present in it in the log
   
  My Variable is 'name' and the value in it is : CSG
  **** CSG  ****
  ****CSG ****
  NOTE: The data set WORK.PUT01 has 1 observations and 1 variables.
  NOTE: DATA statement used (Total process time):
        real time           0.03 seconds
        cpu time            0.00 seconds
   
   
  728

/********************************************************************************

Notice the usage of keyword '_all_', which is used to display all the variables' values in log

********************************************************************************/

737   data put02;
  738      name="CSG";
  739      site="statschoice.com";
  740      put _all_;
  741   run;
   
  NOTE: Compression was disabled for data set WORK.PUT02 because compression overhead would increase the size of the data set.
  NAME=CSG SITE=statschoice.com _ERROR_=0 _N_=1
  NOTE: The data set WORK.PUT02 has 1 observations and 2 variables.
  NOTE: DATA statement used (Total process time):
        real time           0.01 seconds
        cpu time            0.00 seconds
   
   
  742
  743   data put03;
  744      set pdv01;
  745      put _all_;
  746   run;
   
  SUBJID=1015 AGE=63 SEX=F RACE=WHITE TRT=Pbo AGEMON=756 _ERROR_=0 _N_=1
  SUBJID=1023 AGE=64 SEX=M RACE=BLACK TRT=Pbo AGEMON=768 _ERROR_=0 _N_=2
  SUBJID=1028 AGE=71 SEX=M RACE=WHITE TRT=Xan_Hi AGEMON=852 _ERROR_=0 _N_=3
  SUBJID=1033 AGE=74 SEX=M RACE=WHITE TRT=Xan_Lo AGEMON=888 _ERROR_=0 _N_=4
  SUBJID=1034 AGE=77 SEX=F RACE=ASIAN TRT=Xan_Hi AGEMON=924 _ERROR_=0 _N_=5
  SUBJID=1047 AGE=85 SEX=F RACE=WHITE TRT=Pbo AGEMON=1020 _ERROR_=0 _N_=6
  NOTE: There were 6 observations read from the data set WORK.PDV01.
  NOTE: The data set WORK.PUT03 has 6 observations and 6 variables.
  NOTE: Compressing data set WORK.PUT03 increased size by 100.00 percent.
        Compressed is 2 pages; un-compressed would require 1 pages.
  NOTE: DATA statement used (Total process time):
        real time           0.01 seconds
        cpu time            0.00 seconds

/********************************************************************************

Single put statement: after agemon variable

********************************************************************************/

755
  756   data pdv02;
  757      infile cards;
  758      input subjid age  sex$ race$ trt$;
  759      agemon=age*12;
  760      put "After Creating agemon variable: " _all_ /;
  761      cards;
   
  After Creating agemon variable: SUBJID=1015 AGE=63 SEX=F RACE=WHITE TRT=Pbo AGEMON=756 _ERROR_=0 _N_=1
   
  After Creating agemon variable: SUBJID=1023 AGE=64 SEX=M RACE=BLACK TRT=Pbo AGEMON=768 _ERROR_=0 _N_=2
   
  After Creating agemon variable: SUBJID=1028 AGE=71 SEX=M RACE=WHITE TRT=Xan_Hi AGEMON=852 _ERROR_=0 _N_=3
   
  After Creating agemon variable: SUBJID=1033 AGE=74 SEX=M RACE=WHITE TRT=Xan_Lo AGEMON=888 _ERROR_=0 _N_=4
   
  After Creating agemon variable: SUBJID=1034 AGE=77 SEX=F RACE=ASIAN TRT=Xan_Hi AGEMON=924 _ERROR_=0 _N_=5
   
  After Creating agemon variable: SUBJID=1047 AGE=85 SEX=F RACE=WHITE TRT=Pbo AGEMON=1020 _ERROR_=0 _N_=6
  NOTE: The data set WORK.PDV02 has 6 observations and 6 variables.
  NOTE: Compressing data set WORK.PDV02 increased size by 100.00 percent.
        Compressed is 2 pages; un-compressed would require 1 pages.
  NOTE: DATA statement used (Total process time):
        real time           0.01 seconds
        cpu time            0.00 seconds
   
   
  768   ;
  769   run;
  770

/********************************************************************************

*Single put statement: before agemon variable;
*notice that agemon variable has a missing value in log file;

********************************************************************************/

779
  780   data pdv02;
  781      infile cards;
  782      input subjid age  sex$ race$ trt$;
  783
  784      put "Before Creating agemon variable: " _all_ /;
  785
  786      agemon=age*12;
  787      cards;
   
  Before Creating agemon variable: SUBJID=1015 AGE=63 SEX=F RACE=WHITE TRT=Pbo AGEMON=. _ERROR_=0 _N_=1
   
  Before Creating agemon variable: SUBJID=1023 AGE=64 SEX=M RACE=BLACK TRT=Pbo AGEMON=. _ERROR_=0 _N_=2
   
  Before Creating agemon variable: SUBJID=1028 AGE=71 SEX=M RACE=WHITE TRT=Xan_Hi AGEMON=. _ERROR_=0 _N_=3
   
  Before Creating agemon variable: SUBJID=1033 AGE=74 SEX=M RACE=WHITE TRT=Xan_Lo AGEMON=. _ERROR_=0 _N_=4
   
  Before Creating agemon variable: SUBJID=1034 AGE=77 SEX=F RACE=ASIAN TRT=Xan_Hi AGEMON=. _ERROR_=0 _N_=5
   
  Before Creating agemon variable: SUBJID=1047 AGE=85 SEX=F RACE=WHITE TRT=Pbo AGEMON=. _ERROR_=0 _N_=6
  NOTE: The data set WORK.PDV02 has 6 observations and 6 variables.
  NOTE: Compressing data set WORK.PDV02 increased size by 100.00 percent.
        Compressed is 2 pages; un-compressed would require 1 pages.
  NOTE: DATA statement used (Total process time):
        real time           0.01 seconds
        cpu time            0.00 seconds
   
   
  794   ;
  795   run;

/********************************************************************************

*Two put statements: before and after agemon variable;
*notice that agemon variable has a missing value in log file in 'before' put but has a value in 'after' put statement;

********************************************************************************/

806
  807   data pdv02;
  808      infile cards;
  809      input subjid age  sex$ race$ trt$;
  810
  811      put "Before Creating agemon variable: " _all_ /;
  812      agemon=age*12;
  813      put "After Creating agemon variable: " _all_ /;
  814
  815      cards;
   
  Before Creating agemon variable: SUBJID=1015 AGE=63 SEX=F RACE=WHITE TRT=Pbo AGEMON=. _ERROR_=0 _N_=1
   
  After Creating agemon variable: SUBJID=1015 AGE=63 SEX=F RACE=WHITE TRT=Pbo AGEMON=756 _ERROR_=0 _N_=1
   
  Before Creating agemon variable: SUBJID=1023 AGE=64 SEX=M RACE=BLACK TRT=Pbo AGEMON=. _ERROR_=0 _N_=2
   
  After Creating agemon variable: SUBJID=1023 AGE=64 SEX=M RACE=BLACK TRT=Pbo AGEMON=768 _ERROR_=0 _N_=2
   
  Before Creating agemon variable: SUBJID=1028 AGE=71 SEX=M RACE=WHITE TRT=Xan_Hi AGEMON=. _ERROR_=0 _N_=3
   
  After Creating agemon variable: SUBJID=1028 AGE=71 SEX=M RACE=WHITE TRT=Xan_Hi AGEMON=852 _ERROR_=0 _N_=3
   
  Before Creating agemon variable: SUBJID=1033 AGE=74 SEX=M RACE=WHITE TRT=Xan_Lo AGEMON=. _ERROR_=0 _N_=4
   
  After Creating agemon variable: SUBJID=1033 AGE=74 SEX=M RACE=WHITE TRT=Xan_Lo AGEMON=888 _ERROR_=0 _N_=4
   
  Before Creating agemon variable: SUBJID=1034 AGE=77 SEX=F RACE=ASIAN TRT=Xan_Hi AGEMON=. _ERROR_=0 _N_=5
   
  After Creating agemon variable: SUBJID=1034 AGE=77 SEX=F RACE=ASIAN TRT=Xan_Hi AGEMON=924 _ERROR_=0 _N_=5
   
  Before Creating agemon variable: SUBJID=1047 AGE=85 SEX=F RACE=WHITE TRT=Pbo AGEMON=. _ERROR_=0 _N_=6
   
  After Creating agemon variable: SUBJID=1047 AGE=85 SEX=F RACE=WHITE TRT=Pbo AGEMON=1020 _ERROR_=0 _N_=6
  NOTE: The data set WORK.PDV02 has 6 observations and 6 variables.
  NOTE: Compressing data set WORK.PDV02 increased size by 100.00 percent.
        Compressed is 2 pages; un-compressed would require 1 pages.
  NOTE: DATA statement used (Total process time):
        real time           0.01 seconds
        cpu time            0.00 seconds
   
   
  822   ;
  823   run;

/********************************************************************************

*Two put statements: before input and after agemon variable;
*notice that agemon variable has a missing value in log file in 'before' put but has a value in 'after' put statement;

********************************************************************************/

835
  836   data pdv02;
  837      infile cards;
  838
  839      put "Before input statment: " _all_ /;
  840      input subjid age  sex$ race$ trt$;
  841      agemon=age*12;
  842      put "After Creating agemon variable: " _all_ /;
  843
  844      cards;
   
  Before input statment: SUBJID=. AGE=. SEX=  RACE=  TRT=  AGEMON=. _ERROR_=0 _N_=1
   
  After Creating agemon variable: SUBJID=1015 AGE=63 SEX=F RACE=WHITE TRT=Pbo AGEMON=756 _ERROR_=0 _N_=1
   
  Before input statment: SUBJID=. AGE=. SEX=  RACE=  TRT=  AGEMON=. _ERROR_=0 _N_=2
   
  After Creating agemon variable: SUBJID=1023 AGE=64 SEX=M RACE=BLACK TRT=Pbo AGEMON=768 _ERROR_=0 _N_=2
   
  Before input statment: SUBJID=. AGE=. SEX=  RACE=  TRT=  AGEMON=. _ERROR_=0 _N_=3
   
  After Creating agemon variable: SUBJID=1028 AGE=71 SEX=M RACE=WHITE TRT=Xan_Hi AGEMON=852 _ERROR_=0 _N_=3
   
  Before input statment: SUBJID=. AGE=. SEX=  RACE=  TRT=  AGEMON=. _ERROR_=0 _N_=4
   
  After Creating agemon variable: SUBJID=1033 AGE=74 SEX=M RACE=WHITE TRT=Xan_Lo AGEMON=888 _ERROR_=0 _N_=4
   
  Before input statment: SUBJID=. AGE=. SEX=  RACE=  TRT=  AGEMON=. _ERROR_=0 _N_=5
   
  After Creating agemon variable: SUBJID=1034 AGE=77 SEX=F RACE=ASIAN TRT=Xan_Hi AGEMON=924 _ERROR_=0 _N_=5
   
  Before input statment: SUBJID=. AGE=. SEX=  RACE=  TRT=  AGEMON=. _ERROR_=0 _N_=6
   
  After Creating agemon variable: SUBJID=1047 AGE=85 SEX=F RACE=WHITE TRT=Pbo AGEMON=1020 _ERROR_=0 _N_=6
   
  Before input statment: SUBJID=. AGE=. SEX=  RACE=  TRT=  AGEMON=. _ERROR_=0 _N_=7
  NOTE: The data set WORK.PDV02 has 6 observations and 6 variables.
  NOTE: Compressing data set WORK.PDV02 increased size by 100.00 percent.
        Compressed is 2 pages; un-compressed would require 1 pages.
  NOTE: DATA statement used (Total process time):
        real time           0.03 seconds
        cpu time            0.00 seconds
   
   
  851   ;
  852   run;

/********************************************************************************

*Three put statements: before input, after input and after agemon variable;
*notice that agemon variable has a missing value in log file in 'before' put but has a value in 'after' put statement;

********************************************************************************/

864   data pdv02;
  865      infile cards;
  866
  867      put "Before input statment: " _all_ ;
  868      input subjid age  sex$ race$ trt$;
  869      put "After input statment: " _all_ ;
  870
  871      agemon=age*12;
  872      put "After Creating agemon variable: " _all_ /;
  873
  874      cards;
   
  Before input statment: SUBJID=. AGE=. SEX=  RACE=  TRT=  AGEMON=. _ERROR_=0 _N_=1
  After input statment: SUBJID=1015 AGE=63 SEX=F RACE=WHITE TRT=Pbo AGEMON=. _ERROR_=0 _N_=1
  After Creating agemon variable: SUBJID=1015 AGE=63 SEX=F RACE=WHITE TRT=Pbo AGEMON=756 _ERROR_=0 _N_=1
   
  Before input statment: SUBJID=. AGE=. SEX=  RACE=  TRT=  AGEMON=. _ERROR_=0 _N_=2
  After input statment: SUBJID=1023 AGE=64 SEX=M RACE=BLACK TRT=Pbo AGEMON=. _ERROR_=0 _N_=2
  After Creating agemon variable: SUBJID=1023 AGE=64 SEX=M RACE=BLACK TRT=Pbo AGEMON=768 _ERROR_=0 _N_=2
   
  Before input statment: SUBJID=. AGE=. SEX=  RACE=  TRT=  AGEMON=. _ERROR_=0 _N_=3
  After input statment: SUBJID=1028 AGE=71 SEX=M RACE=WHITE TRT=Xan_Hi AGEMON=. _ERROR_=0 _N_=3
  After Creating agemon variable: SUBJID=1028 AGE=71 SEX=M RACE=WHITE TRT=Xan_Hi AGEMON=852 _ERROR_=0 _N_=3
   
  Before input statment: SUBJID=. AGE=. SEX=  RACE=  TRT=  AGEMON=. _ERROR_=0 _N_=4
  After input statment: SUBJID=1033 AGE=74 SEX=M RACE=WHITE TRT=Xan_Lo AGEMON=. _ERROR_=0 _N_=4
  After Creating agemon variable: SUBJID=1033 AGE=74 SEX=M RACE=WHITE TRT=Xan_Lo AGEMON=888 _ERROR_=0 _N_=4
   
  Before input statment: SUBJID=. AGE=. SEX=  RACE=  TRT=  AGEMON=. _ERROR_=0 _N_=5
  After input statment: SUBJID=1034 AGE=77 SEX=F RACE=ASIAN TRT=Xan_Hi AGEMON=. _ERROR_=0 _N_=5
  After Creating agemon variable: SUBJID=1034 AGE=77 SEX=F RACE=ASIAN TRT=Xan_Hi AGEMON=924 _ERROR_=0 _N_=5
   
  Before input statment: SUBJID=. AGE=. SEX=  RACE=  TRT=  AGEMON=. _ERROR_=0 _N_=6
  After input statment: SUBJID=1047 AGE=85 SEX=F RACE=WHITE TRT=Pbo AGEMON=. _ERROR_=0 _N_=6
  After Creating agemon variable: SUBJID=1047 AGE=85 SEX=F RACE=WHITE TRT=Pbo AGEMON=1020 _ERROR_=0 _N_=6
   
  Before input statment: SUBJID=. AGE=. SEX=  RACE=  TRT=  AGEMON=. _ERROR_=0 _N_=7
  NOTE: The data set WORK.PDV02 has 6 observations and 6 variables.
  NOTE: Compressing data set WORK.PDV02 increased size by 100.00 percent.
        Compressed is 2 pages; un-compressed would require 1 pages.
  NOTE: DATA statement used (Total process time):
        real time           0.01 seconds
        cpu time            0.00 seconds
   
   
  881   ;
  882   run;

*Copyright @ www.statschoice.com;

Preparatory steps

null value representation in sas for character and numeric variables;
two automatic variables in sas: _error_ and _n_;
*Another automatic variable in sas: _infile_;

Basic code

usage of put statement

Notice the usage of keyword '_all_', which is used to display all the variables' values in log

Single put statement: after agemon variable

Single put statement: before agemon variable;
notice that agemon variable has a missing value in log file;

Two put statements: before and after agemon variable;
notice that agemon variable has a missing value in log file in 'before' put but has a value in 'after' put statement;

Two put statements: before input and after agemon variable;
notice that agemon variable has a missing value in log file in 'before' put but has a value in 'after' put statement;

Three put statements: before input, after input and after agemon variable;
notice that agemon variable has a missing value in log file in 'before' put but has a value in 'after' put statement;

*Copyright @ www.statschoice.com;

Preparatory steps

*null value representation in sas for character and numeric variables; *two automatic variables in sas: _error_ and _n_; *Another automatic variable in sas: _infile_;

Basic code

usage of put statement

Notice the usage of keyword '_all_', which is used to display all the variables' values in log

Single put statement: after agemon variable

*Single put statement: before agemon variable; *notice that agemon variable has a missing value in log file;

*Two put statements: before and after agemon variable; *notice that agemon variable has a missing value in log file in 'before' put but has a value in 'after' put statement;

*Two put statements: before input and after agemon variable; *notice that agemon variable has a missing value in log file in 'before' put but has a value in 'after' put statement;

*Three put statements: before input, after input and after agemon variable; *notice that agemon variable has a missing value in log file in 'before' put but has a value in 'after' put statement;

null value representation in sas for character and numeric variables;
two automatic variables in sas: _error_ and _n_;
*Another automatic variable in sas: _infile_;

Single put statement: before agemon variable;
notice that agemon variable has a missing value in log file;

Two put statements: before and after agemon variable;
notice that agemon variable has a missing value in log file in 'before' put but has a value in 'after' put statement;

Two put statements: before input and after agemon variable;
notice that agemon variable has a missing value in log file in 'before' put but has a value in 'after' put statement;

Three put statements: before input, after input and after agemon variable;
notice that agemon variable has a missing value in log file in 'before' put but has a value in 'after' put statement;