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Sloan.sas
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OPTIONS COMPRESS=BINARY ERRORS=0 DQUOTE REUSE=YES;
*** Test with 2nd data set ***;
%LET ds=input file;
%LET outds=output file;
LIBNAME LG input directory;
LIBNAME OUT output directory;
*** Check the source data set as a baseline ***;
PROC CONTENTS DATA=lg.&ds OUT=start_contents;
RUN;
QUIT;
*** Initialize the tracker for the sizes and diagnostics ***;
%LET stat=0;
%LET diag=0;
*** Update the tracker for the sizes ***;
%LET stat=%EVAL(&stat+1);
*** Save the size of the data set ***;
DATA _NULL_;
SET sashelp.vtable(WHERE=(libname='LG' AND memname="&ds" AND typemem='DATA'));
CALL SYMPUT("label&stat","Initial size");
CALL SYMPUT("figure&stat",filesize);
RUN;
QUIT;
%PUT &stat &&label&stat &&figure&stat;
*** Create a local copy for the program - it uses the OPTIONS in the OPTIONS statement ***;
DATA X;
SET LG.&ds;
RUN;
QUIT;
*** Check space and metadata ***;
PROC CONTENTS DATA=x OUT=x_contents;
RUN;
QUIT;
*** Update the tracker for the sizes ***;
%LET stat=%EVAL(&stat+1);
*** Save the size of the data set ***;
DATA _NULL_;
SET sashelp.vtable(WHERE=(libname='WORK' AND memname='X' AND typemem='DATA'));
CALL SYMPUT("label&stat","After COMPRESS=BINARY");
CALL SYMPUT("figure&stat",filesize);
RUN;
QUIT;
%PUT &stat &&label&stat &&figure&stat;
*** Get count of character and numeric variables ***;
PROC FREQ DATA=x_contents;
TABLES type;
RUN;
QUIT;
*** Split data into numeric and character variables ***;
DATA numeric(KEEP=_NUMERIC_) character(KEEP=_CHARACTER_);
SET x;
RUN;
QUIT;
*** Check space and metadata ***;
PROC CONTENTS DATA=numeric OUT=numeric_contents;
RUN;
QUIT;
*** Update the tracker for the sizes ***;
%LET stat=%EVAL(&stat+1);
*** Save the size of the data set ***;
DATA _NULL_;
SET sashelp.vtable(WHERE=(libname='WORK' AND memname='NUMERIC' AND typemem='DATA'));
CALL SYMPUT("label&stat","Numeric");
CALL SYMPUT("figure&stat",filesize);
RUN;
QUIT;
%PUT &stat &&label&stat &&figure&stat;
PROC CONTENTS DATA=character OUT=character_contents;
RUN;
QUIT;
*** Update the tracker for the sizes ***;
%LET stat=%EVAL(&stat+1);
*** Save the size of the data set ***;
DATA _NULL_;
SET sashelp.vtable(WHERE=(libname='WORK' AND memname='CHARACTER' AND typemem='DATA'));
CALL SYMPUT("label&stat","Character");
CALL SYMPUT("figure&stat",filesize);
RUN;
QUIT;
%PUT &stat &&label&stat &&figure&stat;
OPTIONS MPRINT;
*** Set up macro variables for numeric variables ***;
DATA _NULL_;
SET numeric_contents END=eof;
RETAIN count 0;
** Use suffix of n so that non-alphnumeric characters can be used ***;
count+1;
CALL SYMPUT('NV'||LEFT(PUT(COUNT,4.)),'"'||TRIM(name)||'"n');
** Variable name ***;
CALL SYMPUT('NI'||LEFT(PUT(COUNT,4.)),'0');
** Is it an integer? ***;
CALL SYMPUT('NSFX'||LEFT(PUT(COUNT,4.)),'"_'||TRIM(SUBSTR(name,2))||'"n');
*** For later rename ***;
IF eof THEN
DO;
CALL SYMPUT('NCOUNT',LEFT(PUT(count,4.)));
*** Count of numeric variables ***;
END;
RUN;
QUIT;
%PUT &ncount;
*** Determine which values are integers ***;
*** Only integers can have their length changed without losing accuracy ***;
%MACRO GETINT;
DATA integer_x;
LENGTH
%DO I=1 %TO &ncount;
ni&i
%END;
3;
SET numeric;
%DO I=1 %TO &ncount;
IF &&nv&i=INT(&&nv&i) THEN
ni&i=1;
ELSE ni&i=0;
%END;
RUN;
QUIT;
%MEND GETINT;
%GETINT;
%MACRO GETINT2;
*** Get maximum and minimum values for each numeric variable ***;
PROC SUMMARY MIN MAX DATA=integer_x NWAY MISSING;
VAR
%DO I=1 %TO &ncount;
&&nv&i
%END;
;
OUTPUT OUT=integer_counts(DROP=_TYPE_ _FREQ_)
MIN=
%DO I=1 %TO &ncount;
integer_min&i
%END;
MAX=
%DO I=1 %TO &ncount;
integer_max&i
%END;
;
RUN;
QUIT;
*** If the integer check has a miminimum of 1, all values of the variable are integers or missing **;
PROC SUMMARY MIN MAX DATA=integer_x NWAY MISSING;
VAR
%DO I=1 %TO &ncount;
ni&i
%END;
;
OUTPUT OUT=integer_counts2(DROP=_TYPE_ _FREQ_)
MIN=
%DO I=1 %TO &ncount;
int_check_min&i
%END;
MAX=
%DO I=1 %TO &ncount;
int_check_max&i
%END;
;
RUN;
QUIT;
%MEND GETINT2;
%GETINT2;
*** Combine the minimum and maximum values for the variables and the integer checks ***;
*** Create macro variables of the maximum and minimum values ***;
DATA integer_counts_all;
MERGE integer_counts integer_counts2;
ARRAY int_check_min int_check_min1-int_check_min&ncount;
ARRAY int_check_max int_check_max1-int_check_max&ncount;
ARRAY integer_min integer_min1-integer_min&ncount;
ARRAY integer_max integer_max1-integer_max&ncount;
DO I=1 TO &ncount;
CALL SYMPUT('int_check_min'||LEFT(PUT(i,4.)),int_check_min{i});
CALL SYMPUT('int_check_max'||LEFT(PUT(i,4.)),int_check_max{i});
CALL SYMPUT('integer_min'||LEFT(PUT(i,4.)),integer_min{i});
CALL SYMPUT('integer_max'||LEFT(PUT(i,4.)),integer_max{i});
END;
DROP i;
RUN;
QUIT;
*** Reclaim space ***;
PROC DELETE DATA=integer_x;
RUN;
QUIT;
*** Take the integer variables and shrink their length as much as possible ***;
*** The cutoff points listed below are in support.sas.com ***;
*** The default length of numeric variables is 8 ***;
%MACRO GETINT3;
DATA revised_numeric;
LENGTH
%DO I=1 %TO &ncount;
%IF &&int_check_min&i=1 %THEN
%DO;
%IF %SYSFUNC(MAX(%SYSFUNC(ABS(&&integer_min&i)),%SYSFUNC(ABS(&&integer_max&i))))<8192 %THEN
%DO;
&&nv&i 3.
%END;
%ELSE %IF %SYSFUNC(MAX(%SYSFUNC(ABS(&&integer_min&i)),%SYSFUNC(ABS(&&integer_max&i))))<2097152 %THEN
%DO;
&&nv&i 4.
%END;
%ELSE %IF %SYSFUNC(MAX(%SYSFUNC(ABS(&&integer_min&i)),%SYSFUNC(ABS(&&integer_max&i))))<536870912 %THEN
%DO;
&&nv&i 5.
%END;
%ELSE %IF %SYSFUNC(MAX(%SYSFUNC(ABS(&&integer_min&i)),%SYSFUNC(ABS(&&integer_max&i))))<137438953472 %THEN
%DO;
&&nv&i 6.
%END;
%ELSE %IF %SYSFUNC(MAX(%SYSFUNC(ABS(&&integer_min&i)),%SYSFUNC(ABS(&&integer_max&i))))<35184372088832 %THEN
%DO;
&&nv&i 7.
%END;
%END;
%END;
;
SET numeric;
RUN;
QUIT;
%MEND GETINT3;
%GETINT3;
*** Check the space and the metadata to compare the results ***;
PROC CONTENTS DATA=revised_numeric OUT=revised_numeric_contents;
RUN;
QUIT;
*** Make sure the values have not changed ***;
PROC COMPARE BASE=numeric COMPARE=revised_numeric OUT=numeric_comparison;
RUN;
QUIT;
PROC COMPARE BASE=numeric COMPARE=revised_numeric OUT=numeric_comparison_outnoequal OUTNOEQUAL;
RUN;
QUIT;
** Set the output variable for mismatches ***;
%LET diag=%EVAL(&diag+1);
DATA _NULL_;
CALL SYMPUT("diaglbl&diag","After Numeric Compare");
CALL SYMPUT("diagamt&diag",missobs&diag);
STOP;
SET numeric_comparison_outnoequal NOBS=missobs&diag;
RUN;
QUIT;
%PUT &diag &&diaglbl&diag &&diagamt&diag;
*** Save space ***;
PROC DELETE DATA=numeric;
RUN;
QUIT;
*** Update the tracker for the sizes ***;
%LET stat=%EVAL(&stat+1);
*** Save the size of the data set ***;
DATA _NULL_;
SET sashelp.vtable(WHERE=(libname='WORK' AND memname='REVISED_NUMERIC' AND typemem='DATA'));
CALL SYMPUT("label&stat","Revised Numeric");
CALL SYMPUT("figure&stat",filesize);
RUN;
QUIT;
%PUT &stat &&label&stat &&figure&stat;
*** Set up macro variables for character variables***;
DATA _NULL_;
SET character_contents END=eof;
RETAIN count 0;
count+1;
CALL SYMPUT('CV'||LEFT(PUT(COUNT,4.)),name);
*** Variable name ***;
CALL SYMPUT('CL'||LEFT(PUT(COUNT,4.)),length);
*** Variable length ***;
CALL SYMPUT('CSFX'||LEFT(PUT(COUNT,4.)),'_'||SUBSTR(name,2));
*** For later rename ***;
IF eof THEN
DO;
CALL SYMPUT('CCOUNT',LEFT(PUT(count,4.)));
*** Count of character variables ***;
END;
RUN;
QUIT;
%PUT &ccount;
*** Get the actual length of each character variable ***;
%MACRO GETCHAR;
DATA character2;
SET character;
%DO I=1 %TO &ccount;
obs_length&i=LENGTH(&&cv&i);
%END;
RUN;
QUIT;
%MEND GETCHAR;
%GETCHAR;
*** Get the maximum length for each character variable ***;
PROC SUMMARY MISSING MAX NWAY DATA=character2;
VAR obs_length1-obs_length&ccount;
OUTPUT OUT=character_max(DROP=_TYPE_ _FREQ_) MAX=obs_max1-obs_max&ccount;
RUN;
QUIT;
*** Put the maximum length into macro variables ***;
DATA _NULL_;
SET character_max;
ARRAY obs_max obs_max1-obs_max&ccount;
DO I=1 TO &ccount;
CALL SYMPUT('obs_max'||LEFT(PUT(i,4.)),obs_max{i});
END;
RUN;
QUIT;
*** Shrink the length to what is required for each variable in the data set ***;
%MACRO GETCHAR2;
DATA revised_character;
LENGTH
%DO I=1 %TO &ccount;
%IF &&obs_max&i<&&cl&i %THEN
%DO;
&&cv&i $&&obs_max&i
%END;
%END;
;
SET character2 (DROP=obs_length1-obs_length&ccount);
RUN;
QUIT;
%MEND GETCHAR2;
%GETCHAR2;
*** Check the space and metadata to compare the results ***;
PROC CONTENTS DATA=revised_character OUT=revised_character_contents;
RUN;
QUIT;
*** Make sure the values have not changed ***;
PROC COMPARE BASE=character COMPARE=revised_character OUT=character_comparison;
RUN;
QUIT;
PROC COMPARE BASE=character COMPARE=revised_character OUT=character_comparison_outnoequal OUTNOEQUAL;
RUN;
QUIT;
** Set the output variable for mismatches ***;
%LET diag=%EVAL(&diag+1);
DATA _NULL_;
CALL SYMPUT("diaglbl&diag","After Character Compare");
CALL SYMPUT("diagamt&diag",missobs&diag);
STOP;
SET character_comparison_outnoequal NOBS=missobs&diag;
RUN;
QUIT;
%PUT &diag &&diaglbl&diag &&diagamt&diag;
*** Update the tracker for the sizes ***;
%LET stat=%EVAL(&stat+1);
*** Save the size of the data set ***;
DATA _NULL_;
SET sashelp.vtable(WHERE=(libname='WORK' AND memname='REVISED_CHARACTER' AND typemem='DATA'));
CALL SYMPUT("label&stat","Revised Character");
CALL SYMPUT("figure&stat",filesize);
RUN;
QUIT;
%PUT &stat &&label&stat &&figure&stat;
*** Eliminate unneeded data sets ***;
PROC DELETE DATA=character;
RUN;
QUIT;
PROC DELETE DATA=character2;
RUN;
QUIT;
*** Vertically concatenate the numeric and character variables ***;
DATA revised_all;
MERGE revised_numeric revised_character;
RUN;
QUIT;
*** Check the space and metadata to compare the results ***;
PROC CONTENTS DATA=revised_all OUT=revised_all_contents;
RUN;
QUIT;
*** Make sure the values have not changed ***;
PROC COMPARE BASE=x COMPARE=revised_all OUT=all_comparison;
RUN;
QUIT;
PROC COMPARE BASE=x COMPARE=revised_all OUT=all_comparison_outnoequal OUTNOEQUAL;
RUN;
QUIT;
*** Update the tracker for the sizes ***;
%LET stat=%EVAL(&stat+1);
*** Save the size of the data set ***;
DATA _NULL_;
SET sashelp.vtable(WHERE=(libname='WORK' AND memname='REVISED_ALL' AND typemem='DATA'));
CALL SYMPUT("label&stat","Revised Concatenated");
CALL SYMPUT("figure&stat",filesize);
RUN;
QUIT;
%PUT &stat &&label&stat &&figure&stat;
*** Make sure the values have not changed ***;
** Set the output variable for mismatches ***;
%LET diag=%EVAL(&diag+1);
DATA _NULL_;
CALL SYMPUT("diaglbl&diag","After Combined Compare");
CALL SYMPUT("diagamt&diag",missobs&diag);
STOP;
SET all_comparison_outnoequal NOBS=missobs&diag;
RUN;
QUIT;
%PUT &diag &&diaglbl&diag &&diagamt&diag;
*** No longer needed for comparison;
PROC DELETE DATA=x;
RUN;
QUIT;
*** Numeric variables with non-negative integer values <= 99 can be put into character
variables with length 1 or 2. 3 is the lowest length for numeric variables ***;
%MACRO NUMTOCHAR;
DATA revised_numeric2;
LENGTH
%DO I=1 %TO &ncount;
%IF &&int_check_min&i=1 %THEN
%DO;
%IF &&integer_min&i>=0 %THEN
%DO;
%IF &&integer_max&i<=9 %THEN
%DO;
&&nv&i $ 1
%END;
%ELSE %IF &&integer_max&i<=99 %THEN
%DO;
&&nv&i $ 2
%END;
%END;
%END;
%END;
;
SET revised_numeric(RENAME=(
%DO I=1 %TO &ncount;
%IF &&int_check_min&i=1 %THEN
%DO;
%IF &&integer_min&i>=0 %THEN
%DO;
%IF &&integer_max&i<=99 %THEN
%DO;
&&nv&i=&&nsfx&i
%END;
%END;
%END;
%END;
));
%DO I=1 %TO &ncount;
%IF &&int_check_min&i=1 %THEN
%DO;
%IF &&integer_min&i>=0 %THEN
%DO;
%IF &&integer_max&i<=99 %THEN
%DO;
&&nv&i=&&nsfx&i;
%END;
%END;
%END;
%END;
RUN;
QUIT;
%MEND NUMTOCHAR;
%NUMTOCHAR;
*** PROC COMPARE will not apply where the type changed between character and numeric ***;
*** The macro below does the comparison and then removes the temporary variables ***;
%MACRO CHKNUMTOCHAR;
DATA check_character;
RETAIN flag
%DO I=1 %TO &ncount;
%IF &&int_check_min&i=1 %THEN
%DO;
%IF &&integer_min&i>=0 %THEN
%DO;
%IF &&integer_max&i<=99 %THEN
%DO;
&&nv&i &&nsfx&i
%END;
%END;
%END;
%END;
;
SET revised_numeric2;
flag=0;
%DO I=1 %TO &ncount;
%IF &&int_check_min&i=1 %THEN
%DO;
%IF &&integer_min&i>=0 %THEN
%DO;
%IF &&integer_max&i<=99 %THEN
%DO;
IF &&nv&i^=&&nsfx&i THEN
flag=1;
%END;
%END;
%END;
%END;
IF flag=1;
KEEP flag
%DO I=1 %TO &ncount;
%IF &&int_check_min&i=1 %THEN
%DO;
%IF &&integer_min&i>=0 %THEN
%DO;
%IF &&integer_max&i<=99 %THEN
%DO;
&&nv&i &&nsfx&i
%END;
%END;
%END;
%END;
;
RUN;
QUIT;
DATA revised_numeric2;
SET revised_numeric2(KEEP=
%DO I=1 %TO &ncount;
&&nv&i
%END;
);
RUN;
QUIT;
%MEND CHKNUMTOCHAR;
%CHKNUMTOCHAR;
** Set the output variable for mismatches ***;
%LET diag=%EVAL(&diag+1);
DATA _NULL_;
CALL SYMPUT("diaglbl&diag","After Numeric to Character - Character");
CALL SYMPUT("diagamt&diag",missobs&diag);
STOP;
SET check_character NOBS=missobs&diag;
RUN;
QUIT;
%PUT &diag &&diaglbl&diag &&diagamt&diag;
*** Check the space and metadata to compare the results ***;
PROC CONTENTS DATA=revised_numeric2 OUT=revised_numeric2_contents;
RUN;
QUIT;
*** Make sure the values have not changed ***;
PROC COMPARE BASE=revised_numeric COMPARE=revised_numeric2 OUT=revised_numeric2_comparison;
RUN;
QUIT;
PROC COMPARE BASE=revised_numeric COMPARE=revised_numeric2
OUT=revised_numeric2_outnoequal OUTNOEQUAL;
RUN;
QUIT;
** Set the output variable for mismatches ***;
%LET diag=%EVAL(&diag+1);
DATA _NULL_;
CALL SYMPUT("diaglbl&diag","After Numeric to Character - Numeric");
CALL SYMPUT("diagamt&diag",missobs&diag);
STOP;
SET revised_numeric2_outnoequal NOBS=missobs&diag;
RUN;
QUIT;
%PUT &diag &&diaglbl&diag &&diagamt&diag;
*** Update the tracker for the sizes ***;
%LET stat=%EVAL(&stat+1);
*** Save the size of the data set ***;
DATA _NULL_;
SET sashelp.vtable(WHERE=(libname='WORK' AND memname='REVISED_NUMERIC2' AND typemem='DATA'));
CALL SYMPUT("label&stat","Revised Numeric after Character Conversion");
CALL SYMPUT("figure&stat",filesize);
RUN;
QUIT;
%PUT &stat &&label&stat &&figure&stat;
*** To get the all-digit values of the character variables, we'll remove the digits and
and choose the those with no characters left ***;
%MACRO GETNUMCHAR;
DATA character_digits;
LENGTH
%DO I=1 %TO &ccount;
len&i lend&i
%END;
3;
SET revised_character;
%DO I=1 %TO &ccount;
len&i=lengthn(&&cv&i);
comprs&i=compress(&&cv&i,,'d');
lend&i=lengthn(comprs&i);
%END;
RUN;
QUIT;
%MEND GETNUMCHAR;
%GETNUMCHAR;
%MACRO GETNUMCHAR2;
*** See which variables are always all-digit ***;
PROC SUMMARY MAX DATA=character_digits NWAY MISSING;
VAR
%DO I=1 %TO &ccount;
lend&i
%END;
;
OUTPUT OUT=length_counts(DROP=_TYPE_ _FREQ_)
MAX=
%DO I=1 %TO &ccount;
character_digit_max&i
%END;
;
RUN;
QUIT;
*** Get the maximum length **;
PROC SUMMARY MAX DATA=character_digits NWAY MISSING;
VAR
%DO I=1 %TO &ccount;
len&i
%END;
;
OUTPUT OUT=length_counts2(DROP=_TYPE_ _FREQ_)
MAX=
%DO I=1 %TO &ccount;
character_length_max&i
%END;
;
RUN;
QUIT;
%MEND GETNUMCHAR2;
%GETNUMCHAR2;
*** Create macro variables for the lengths ***;
DATA chracter_numeric_lengths;
MERGE length_counts length_counts2;
ARRAY character_length_max character_length_max1-character_length_max&ccount;
ARRAY character_digit_max character_digit_max1-character_digit_max&ccount;
DO I=1 TO &ccount;
CALL SYMPUT('character_length_max'||LEFT(PUT(i,4.)),character_length_max{i});
CALL SYMPUT('character_digit_max'||LEFT(PUT(i,4.)),character_digit_max{i});
END;
DROP i;
RUN;
QUIT;
*** Change the selected variables to numeric variables ***;
*** Only those variables with length >=4 will benefit from the ocnversion to numeric ***;
%MACRO GETNUMCHAR3;
DATA character2_numeric;
SET revised_character(RENAME=(
%DO I=1 %TO &ccount;
%IF &&character_digit_max&i=0 %THEN
%DO;
%IF &&character_length_max&i>=4 %THEN
%DO;
&&cv&i=&&csfx&i
%END;
%END;
%END;
));
%DO I=1 %TO &ccount;
%IF &&character_digit_max&i=0 %THEN
%DO;
%IF &&character_length_max&i>=4 %THEN
%DO;
&&cv&i=INPUT(&&csfx&i,20.);
%END;
%END;
%END;
RUN;
QUIT;
*** Calculate the maximum value of the numeric variable ***;
PROC SUMMARY DATA=character2_numeric NWAY MISSING MAX;
VAR
%DO I=1 %TO &ccount;
%IF &&character_digit_max&i=0 %THEN
%DO;
%IF &&character_length_max&i>=4 %THEN
%DO;
&&cv&i
%END;
%END;
%END;
;
OUTPUT OUT=character_numeric_max(DROP=_TYPE_ _FREQ_) MAX=
%DO I=1 %TO &ccount;
%IF &&character_digit_max&i=0 %THEN
%DO;
%IF &&character_length_max&i>=4 %THEN
%DO;
character_value_max&i
%END;
%END;
%END;
;
%MEND GETNUMCHAR3;
%GETNUMCHAR3;
*** Create macro variables for the maximum character length ***;
DATA _NULL_;
MERGE character_numeric_max chracter_numeric_lengths;
ARRAY character_value_max character_value_max1-character_value_max&ccount;
ARRAY character_length_max character_length_max1-character_length_max&ccount;
ARRAY character_digit_max character_digit_max1-character_digit_max&ccount;
DO I=1 TO &ccount;
IF character_digit_max{i}=0 THEN
DO;
IF character_length_max{i}>=4 THEN
DO;
CALL SYMPUT('character_value_max'||LEFT(PUT(i,4.)),character_value_max{i});
END;
END;
END;
RUN;
QUIT;
*** Use information from the SAS web site to calculate smallest length ***;
%MACRO GETNUMCHAR4;
DATA revised_character2_numeric;
LENGTH
%DO I=1 %TO &ccount;
%IF &&character_digit_max&i=0 %THEN
%DO;
%IF &&character_length_max&i>=4 %THEN
%DO;
%IF &&character_value_max&i<8192 %THEN
%DO;
&&cv&i 3.
%END;
%ELSE %IF &&character_value_max&i<2097152 %THEN
%DO;
&&cv&i 4.
%END;
%ELSE %IF &&character_value_max&i<536870912 %THEN
%DO;
&&cv&i 5.
%END;
%ELSE %IF &&character_value_max&i<137438953472 %THEN
%DO;
&&cv&i 6.
%END;
%ELSE %IF &&character_value_max&i<35184372088832 %THEN
%DO;
&&cv&i 7.
%END;
%ELSE
%DO;
&&cv&i 8.
%END;
%END;
%END;
%END;
;
SET character2_numeric;
RUN;
QUIT;
%MEND GETNUMCHAR4;
%GETNUMCHAR4;
*** PROC COMPARE will not apply where the type changed between character and numeric ***;
*** The macro below does the comparison and then removes the temporary variables ***;
%MACRO CHECKOUTPUT;
DATA check_numeric;
RETAIN flag
%DO I=1 %TO &ccount;
%IF &&character_digit_max&i=0 %THEN
%DO;
%IF &&character_length_max&i>=4 %THEN
%DO;
&&cv&i &&csfx&i
%END;
%END;
%END;
;
SET revised_character2_numeric;
flag=0;
%DO I=1 %TO &ccount;
%IF &&character_digit_max&i=0 %THEN
%DO;
%IF &&character_length_max&i>=4 %THEN
%DO;
IF &&cv&i^=&&csfx&i THEN
flag=1;
%END;
%END;
%END;
IF flag=1;
KEEP flag
%DO I=1 %TO &ccount;
%IF &&character_digit_max&i=0 %THEN
%DO;
%IF &&character_length_max&i>=4 %THEN
%DO;
&&cv&i &&csfx&i
%END;
%END;
%END;
;
RUN;
QUIT;
DATA revised_character2_numeric;
SET revised_character2_numeric(KEEP=
%DO I=1 %TO &ccount;
&&cv&i
%END;
);
RUN;
QUIT;
%MEND CHECKOUTPUT;