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Abby7
Calcite | Level 5

Needing some help with converting a data set with multiple rows for the same data set to multiple columns.

 

An example of the current data set is:

ID NumberType
1A
1AA
2A
2AAA
2AAAAAAA
3AAAAAAAAAA
4AA
4A
5A
5AAAAAAA
5AAAA

 

An example of what the data set needs to look like is:

ID NumberTypeType 2Type 3 Type 4Type 5
1AAA   
2AAAAAAAAAAAAAAAAAAAAA 
3AAAAAAAAAA    
4AAA   
5AAAAAAAAAAAA  

 

 

I have tried a proc transpose however that has resulted in an output like this:

ID NumberType AType 2Type 3 Type 4Type 5Type 6Type 7Type 8Type 9
11        
21 1   1 1
3        1
411       
51  1  1  

 

Thank you for your help 

 

2 REPLIES 2
qoit
Pyrite | Level 9

Hope the below helps:

 

data have;
	infile datalines missover;
	input id type$;
	datalines;
1 A
1 AA
2 A
2 AAA
2 AAAAAAA
3 AAAAAAAAAA
4 AA
4 A
5 A
5 AAAAAAA
5 AAAA
;
run;

data have1;
	set have;
	by id;
	retain cnt 0;

	if first.id then
		cnt = 0;
	cnt + 1;
run;

proc sql;
	select max(id)
		into :max_id TRIMMED
			from have1;
quit;

%put &=max_id;

data want (keep=id type1 - type&max_id.);
	set have1;
	by id;
	retain type1 - type&max_id.;
	array types{&max_id.} $30. type1 - type&max_id.;

	if first.id then
		do i = 1 to &max_id.;
			types{i} = .;
		end;

	types{cnt} = type;

	if last.id then
		output;
run;
mkeintz
PROC Star

It looks to me like the proc transpose produces what you want:

 

data have;
	infile datalines missover;
	input id type$;
	datalines;
1 A
1 AA
2 A
2 AAA
2 AAAAAAA
3 AAAAAAAAAA
4 AA
4 A
5 A
5 AAAAAAA
5 AAAA
run;
proc transpose data=have out=want (drop=_name_) prefix=type_ ;
  by id;
  var type;
run;
proc print;run;

The result is:

Obs    id    type_1      type_2     type_3
 1      1    A           AA
 2      2    A           AAA        AAAAAAA
 3      3    AAAAAAAA
 4      4    AA          A
 5      5    A           AAAAAAA    AAAA

 

--------------------------
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Would enabling PROC SORT to simultaneously output multiple datasets be useful? Then vote for
Allow PROC SORT to output multiple datasets

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