Hi All,
I have two tables. I need to join them and connect the columns. Below are the two source tables and the third table is the desired table.
Table 1:
date units loss
jan17 1 $10
feb17 2 8
march17 4 11
Table 2:
march17 2 10
apr17 2 10
may17 1 19
Desired table:
jan17 1 10
feb17 2 8
march17 6 21
apr17 2 10
may17 1 19
Any help will be greatly appreciated. Thanks.
data table1;
input date $ units loss;
datalines;
jan17 1 10
feb17 2 8
mar17 4 11
;
data table2;
input date $ units loss;
datalines;
mar17 2 10
apr17 2 10
may17 1 19
;
proc sort data=table1;
by date;
run;
proc sort data=table2;
by date;
run;
data want;
set table1 table2;
by date;
if first.date then do;sumunits=0;sumloss=0;end;
sumunits+units;sumloss+loss;
if last.date;
run ;
Once you put the tables together, it's just a matter of adding up numbers. For example:
data table3;
set table1 table2;
run;
proc summary data=table3 nway;
var units loss;
class date;
output out=want (drop=_type_ _freq_) sum=;
run;
proc print data=want;
run;
*** EDITED: Sorry, I should have checked this more carefully. Notice the added statement.
Thanks for replaying.
By doing this: data table3;
set table1 table2;
run;
table 3:
jan17 1 10
feb17 2 8
march17 4 11
march17 2 10
apr17 2 10
may17 1 19
And the proc summary step is summing up all the values and giving out just one observation:
N loss
12 68
The output I wanted was a table with march being added up like this:
jan17 1 10
feb17 2 8
march17 6 21
apr17 2 10
may17 1 19
data table1;
input date $ units loss;
datalines;
jan17 1 10
feb17 2 8
mar17 4 11
;
data table2;
input date $ units loss;
datalines;
mar17 2 10
apr17 2 10
may17 1 19
;
proc sort data=table1;
by date;
run;
proc sort data=table2;
by date;
run;
data want;
set table1 table2;
by date;
if first.date then do;sumunits=0;sumloss=0;end;
sumunits+units;sumloss+loss;
if last.date;
run ;
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