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Hi SAS Friends,
Would appreciate some advice on using PROC SQL to filter out a list of excluded terms from a large dataset, am using SAS 9.4
In the example below, the data set COLORS contains the terms to exclude, under the variable "color".
The data set Storys contains the variable "Fruit_Storys". If a term from "color" is found in "Fruit_Storys", need to exclude that row.
So in this example, the only rows that would remain after filtering :
5 sour grey raisins are never chosen
6 sour orange raisins are sometimes chosen
Example is :
data COLORS;
input color $20. ;
datalines;
red delicious
purple parsimmons
green and
blue gala
;
data Storys ;
input ID $2. Fruit_Storys $64.;
datalines ;
1 red delicious apples are the prode of NY
2 the sweet purple parsimmons are too ripe
3 yellow and blue gala apples are superb
4 granny apples are green and lean
5 sour grey raisins are never chosen
6 sour orange raisins are sometimes chosen
;
I know this is straight forward for many of you, and hope to have that level of fluency, some day,
greatly appreciate your guidance,
Thank you !
Accepted Solutions
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data COLORS;
input color $20. ;
datalines;
red delicious
purple parsimmons
green and
blue gala
;
data Storys ;
input ID $2. Fruit_Storys $64.;
datalines ;
1 red delicious apples are the prode of NY
2 the sweet purple parsimmons are too ripe
3 yellow and blue gala apples are superb
4 granny apples are green and lean
5 sour grey raisins are never chosen
6 sour orange raisins are sometimes chosen
;
proc sql;
create table want as
select distinct id, Fruit_Storys
from storys, colors
group by id
having not max(find(Fruit_Storys,strip(color)));
quit;
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data COLORS;
input color $20. ;
datalines;
red delicious
purple parsimmons
green and
blue gala
;
data Storys ;
input ID $2. Fruit_Storys $64.;
datalines ;
1 red delicious apples are the prode of NY
2 the sweet purple parsimmons are too ripe
3 yellow and blue gala apples are superb
4 granny apples are green and lean
5 sour grey raisins are never chosen
6 sour orange raisins are sometimes chosen
;
proc sql;
create table want as
select distinct id, Fruit_Storys
from storys, colors
group by id
having not max(find(Fruit_Storys,strip(color)));
quit;
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proc sql;
select *
from storys as a
where not exists (select * from colors where a.fruit_storys contains trim(color));
quit;
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Thanks, both relies worked, and chose the former mainly bc it was easier to incorporate into my code , much appreciated !