0 observations

[MisterJenn]

I don't understand why I am getting 0 observations. I don't have an error code so I don't know whats going on. 

data fram1_temp (rename=(RANDID=subjid));
set lib14.fram1;
run;
data fram2_temp (rename=(totchol=totchol2 sysbp=sysbp2 diabp=diabp2));
set lib14.fram2;
run;
proc sort data=fram1_temp; by subjid;
proc sort data=fram2_temp; by subjid; 
data fram_merge;
merge fram1_temp fram2_temp;
by subjid;
age = (vdate-bdate)/365.25;
diff_tchol = totchol2 - totchol;
ch_tchol = sign(diff_tchol);
if sysbp > 120 and sysbp2 > 120 then both_sbp = 1;
if sysbp =< 120 or sysbp2 =< 120 then both_sbp = 0;
if sysbp = . or sysbp2 = . then both_sbp = .;
if diabp > 90 and diabp2 >90 then both_dpb = 1;
if diabp <= 90 or diabp2 <=90 then bothdbp = 0;
if diabp = . or diabp2 =. then both_dbp = .;
if bothdbp = 1 and both_sbp = 1 then both_elev = 1;
else if both_elev = 0;
If bothdbp = . and both_sbp = . then both_elev = .;
run; 

Here is the log:

3    data fram1_temp (rename=(RANDID=subjid));
4    set lib14.fram1;
5    run;

NOTE: There were 4434 observations read from the data set LIB14.FRAM1.
NOTE: The data set WORK.FRAM1_TEMP has 4434 observations and 5 variables.
NOTE: DATA statement used (Total process time):
      real time           0.03 seconds
      cpu time            0.01 seconds


6    data fram2_temp (rename=(totchol=totchol2 sysbp=sysbp2 diabp=diabp2));
7    set lib14.fram2;
8    run;

NOTE: There were 4434 observations read from the data set LIB14.FRAM2.
NOTE: The data set WORK.FRAM2_TEMP has 4434 observations and 5 variables.
NOTE: DATA statement used (Total process time):
      real time           0.04 seconds
      cpu time            0.01 seconds


9    proc sort data=fram1_temp; by subjid;

NOTE: There were 4434 observations read from the data set WORK.FRAM1_TEMP.
NOTE: The data set WORK.FRAM1_TEMP has 4434 observations and 5 variables.
NOTE: PROCEDURE SORT used (Total process time):
      real time           0.00 seconds
      cpu time            0.00 seconds


10   proc sort data=fram2_temp; by subjid;

NOTE: There were 4434 observations read from the data set WORK.FRAM2_TEMP.
NOTE: The data set WORK.FRAM2_TEMP has 4434 observations and 5 variables.
NOTE: PROCEDURE SORT used (Total process time):
      real time           0.00 seconds
      cpu time            0.00 seconds


11   data fram_merge;
12   merge fram1_temp fram2_temp;
13   by subjid;
14   age = (vdate-bdate)/365.25;
15   diff_tchol = totchol2 - totchol;
16   ch_tchol = sign(diff_tchol);
17   run;

NOTE: Missing values were generated as a result of performing an operation on missing values.
      Each place is given by: (Number of times) at (Line):(Column).
      504 at 14:13   675 at 15:23   675 at 16:12
NOTE: There were 4434 observations read from the data set WORK.FRAM1_TEMP.
NOTE: There were 4434 observations read from the data set WORK.FRAM2_TEMP.
NOTE: The data set WORK.FRAM_MERGE has 4434 observations and 12 variables.
NOTE: DATA statement used (Total process time):
      real time           0.01 seconds
      cpu time            0.01 seconds


18   libname lib14 '\\apporto.com\dfs\GWU\Users\kennedyhinnant_gwu\Downloads\Final Exam';
NOTE: Libref LIB14 was successfully assigned as follows:
      Engine:        V9
      Physical Name: \\apporto.com\dfs\GWU\Users\kennedyhinnant_gwu\Downloads\Final Exam
19   run;
20   data fram1_temp (rename=(RANDID=subjid));
21   set lib14.fram1;
22   run;

NOTE: There were 4434 observations read from the data set LIB14.FRAM1.
NOTE: The data set WORK.FRAM1_TEMP has 4434 observations and 5 variables.
NOTE: DATA statement used (Total process time):
      real time           0.01 seconds
      cpu time            0.00 seconds


23   data fram2_temp (rename=(totchol=totchol2 sysbp=sysbp2 diabp=diabp2));
24   set lib14.fram2;
25   run;

NOTE: There were 4434 observations read from the data set LIB14.FRAM2.
NOTE: The data set WORK.FRAM2_TEMP has 4434 observations and 5 variables.
NOTE: DATA statement used (Total process time):
      real time           0.03 seconds
      cpu time            0.01 seconds


26   proc sort data=fram1_temp; by subjid;

NOTE: There were 4434 observations read from the data set WORK.FRAM1_TEMP.
NOTE: The data set WORK.FRAM1_TEMP has 4434 observations and 5 variables.
NOTE: PROCEDURE SORT used (Total process time):
      real time           0.01 seconds
      cpu time            0.00 seconds


27   proc sort data=fram2_temp; by subjid;

NOTE: There were 4434 observations read from the data set WORK.FRAM2_TEMP.
NOTE: The data set WORK.FRAM2_TEMP has 4434 observations and 5 variables.
NOTE: PROCEDURE SORT used (Total process time):
      real time           0.01 seconds
      cpu time            0.01 seconds


28   data fram_merge;
29   merge fram1_temp fram2_temp;
30   by subjid;
31   age = (vdate-bdate)/365.25;
32   diff_tchol = totchol2 - totchol;
33   ch_tchol = sign(diff_tchol);
34   if sysbp > 120 and sysbp2 > 120 then both_sbp = 1;
35   if sysbp =< 120 or sysbp2 =< 120 then both_sbp = 0;
36   if sysbp = . or sysbp2 = . then both_sbp = .;
37   if diabp > 90 and diabp2 >90 then both_dpb = 1;
38   if diabp <= 90 or diabp2 <=90 then bothdbp = 0;
39   if diabp = . or diabp2 =. then both_dbp = .;
40   if bothdbp = 1 and both_sbp = 1 then both_elev = 1;
41   else if both_elev = 0;
42   If bothdbp = . and both_sbp = . then both_elev = .;
43   run;

NOTE: Missing values were generated as a result of performing an operation on missing values.
      Each place is given by: (Number of times) at (Line):(Column).
      504 at 31:13   675 at 32:23   675 at 33:12
NOTE: There were 4434 observations read from the data set WORK.FRAM1_TEMP.
NOTE: There were 4434 observations read from the data set WORK.FRAM2_TEMP.
NOTE: The data set WORK.FRAM_MERGE has 0 observations and 17 variables.
NOTE: DATA statement used (Total process time):
      real time           0.01 seconds
      cpu time            0.01 seconds

[SASKiwi · Accepted solution]

See the statement I've marked that is causing the 0 rows. I think you mean't just ELSE not ELSE IF:

data fram_merge;
merge fram1_temp fram2_temp;
by subjid;
age = (vdate-bdate)/365.25;
diff_tchol = totchol2 - totchol;
ch_tchol = sign(diff_tchol);
if sysbp > 120 and sysbp2 > 120 then both_sbp = 1;
if sysbp =< 120 or sysbp2 =< 120 then both_sbp = 0;
if sysbp = . or sysbp2 = . then both_sbp = .;
if diabp > 90 and diabp2 >90 then both_dpb = 1;
if diabp <= 90 or diabp2 <=90 then bothdbp = 0;
if diabp = . or diabp2 =. then both_dbp = .;
if bothdbp = 1 and both_sbp = 1 then both_elev = 1;
else if both_elev = 0; * This statement is filtering all rows, remov word IF ;
If bothdbp = . and both_sbp = . then both_elev = .;
run;