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dear all,

i have the data set in the following format

company_nameyeartype percent_shares
20 Microns Ltd.2010Locked-In Shares0.07
20 Microns Ltd.2010Locked-In Shares0.77
20 Microns Ltd.2010Locked-In Shares2.5
20 Microns Ltd.2010Locked-In Shares0.57
20 Microns Ltd.2010Locked-In Shares0.35
20 Microns Ltd.2010Locked-In Shares1.95
20 Microns Ltd.2010Locked-In Shares1.85
20 Microns Ltd.2010Locked-In Shares0.1
20 Microns Ltd.2010Locked-In Shares0.5
20 Microns Ltd.2010Locked-In Shares10.76
20 Microns Ltd.2010Locked-In Shares0.37
20 Microns Ltd.2010Locked-In Shares0.01
20 Microns Ltd.2010Locked-In Shares9.26
20 Microns Ltd.2010Locked-In Shares0.61
20 Microns Ltd.2010Locked-In Shares0.13
20 Microns Ltd.2010Locked-In Shares0.14
20 Microns Ltd.2010Locked-In Shares0.08
20 Microns Ltd.2010Locked-In Shares0.12
20 Microns Ltd.2010Locked-In Shares0.03
20 Microns Ltd.2010Locked-In Shares1.65
20 Microns Ltd.2010Locked-In Shares0.21
20 Microns Ltd.2010Locked-In Shares0.03
20 Microns Ltd.2010Locked-In Shares0.04
20 Microns Ltd.2010Locked-In Shares0.03
20 Microns Ltd.2010Locked-In Shares1.95
20 Microns Ltd.2010Locked-In Shares0.1
20 Microns Ltd.2010Locked-In Shares0
20 Microns Ltd.2010Locked-In Shares6.81
20 Microns Ltd.2010Locked-In Shares1.25
20 Microns Ltd.2010Locked-In Shares0.58
20 Microns Ltd.2010Locked-In Shares0.18
20 Microns Ltd.2010Locked-In Shares0.18
20 Microns Ltd.2010Locked-In Shares1.05
20 Microns Ltd.2010Locked-In Shares0.36
20 Microns Ltd.2010Locked-In Shares1.39
20 Microns Ltd.2010Locked-In Shares0.07
20 Microns Ltd.2010Locked-In Shares0.64
20 Microns Ltd.2010Locked-In Shares0.07
20 Microns Ltd.2010Locked-In Shares0.33
20 Microns Ltd.2010Locked-In Shares0.17
20 Microns Ltd.2010Non-Promoters18.67
20 Microns Ltd.2010Non-Promoters1.65
20 Microns Ltd.2010Promoters0.77
20 Microns Ltd.2010Promoters2.5
20 Microns Ltd.2010Promoters0.57
20 Microns Ltd.2010Promoters0.35
20 Microns Ltd.2010Promoters1.95
20 Microns Ltd.2010Promoters1.85
20 Microns Ltd.2010Promoters10.8
20 Microns Ltd.2010Promoters18.94
20 Microns Ltd.2010Promoters0.14
20 Microns Ltd.2010Promoters0.12
20 Microns Ltd.2010Promoters0.08
20 Microns Ltd.2010Promoters0.12
20 Microns Ltd.2010Promoters0.21
20 Microns Ltd.2010Promoters1.95
20 Microns Ltd.2010Promoters6.81
20 Microns Ltd.2010Promoters0.06
20 Microns Ltd.2010Promoters1.19
20 Microns Ltd.2010Promoters0.58
20 Microns Ltd.2010Promoters1.05
20 Microns Ltd.2010Promoters1.39
20 Microns Ltd.2010Promoters0.33

 

i have to compute largest and second largest values of percent_shares for each 'company' for 'year' for each 'type' .

my output should be in the following format

company_nameyeartype percent_sharesfirst_largestsecond_largest
      
      
      
      
      
      
      
      
      
      
      
      

 

please suggest me a SAS code in this regard 

thanking you in advance 

1 ACCEPTED SOLUTION

Accepted Solutions
PeterClemmensen
Tourmaline | Level 20

Classic use of the IDGROUP Option in Proc Summary

 

proc summary data=have nway;
   class company_name year type;
   var percent_shares;
   output out=want(drop=_:) idgroup (max(percent_shares) out[2] (percent_shares) = largest);
run;

View solution in original post

8 REPLIES 8
japelin
Rhodochrosite | Level 12

how about this code?

 

data have;
length company_name $15 year 8 type $16	percent_shares 8;
input company_name $ 1-15 year type $ 22-37  percent_shares;
datalines;
20 Microns Ltd. 2010 Locked-In Shares 0.07
20 Microns Ltd. 2010 Locked-In Shares 0.77
20 Microns Ltd. 2010 Locked-In Shares 2.5
20 Microns Ltd. 2010 Locked-In Shares 0.57
20 Microns Ltd. 2010 Locked-In Shares 0.35
20 Microns Ltd. 2010 Locked-In Shares 1.95
20 Microns Ltd. 2010 Locked-In Shares 1.85
20 Microns Ltd. 2010 Locked-In Shares 0.1
20 Microns Ltd. 2010 Locked-In Shares 0.5
20 Microns Ltd. 2010 Locked-In Shares 10.76
20 Microns Ltd. 2010 Locked-In Shares 0.37
20 Microns Ltd. 2010 Locked-In Shares 0.01
20 Microns Ltd. 2010 Locked-In Shares 9.26
20 Microns Ltd. 2010 Locked-In Shares 0.61
20 Microns Ltd. 2010 Locked-In Shares 0.13
20 Microns Ltd. 2010 Locked-In Shares 0.14
20 Microns Ltd. 2010 Locked-In Shares 0.08
20 Microns Ltd. 2010 Locked-In Shares 0.12
20 Microns Ltd. 2010 Locked-In Shares 0.03
20 Microns Ltd. 2010 Locked-In Shares 1.65
20 Microns Ltd. 2010 Locked-In Shares 0.21
20 Microns Ltd. 2010 Locked-In Shares 0.03
20 Microns Ltd. 2010 Locked-In Shares 0.04
20 Microns Ltd. 2010 Locked-In Shares 0.03
20 Microns Ltd. 2010 Locked-In Shares 1.95
20 Microns Ltd. 2010 Locked-In Shares 0.1
20 Microns Ltd. 2010 Locked-In Shares 0
20 Microns Ltd. 2010 Locked-In Shares 6.81
20 Microns Ltd. 2010 Locked-In Shares 1.25
20 Microns Ltd. 2010 Locked-In Shares 0.58
20 Microns Ltd. 2010 Locked-In Shares 0.18
20 Microns Ltd. 2010 Locked-In Shares 0.18
20 Microns Ltd. 2010 Locked-In Shares 1.05
20 Microns Ltd. 2010 Locked-In Shares 0.36
20 Microns Ltd. 2010 Locked-In Shares 1.39
20 Microns Ltd. 2010 Locked-In Shares 0.07
20 Microns Ltd. 2010 Locked-In Shares 0.64
20 Microns Ltd. 2010 Locked-In Shares 0.07
20 Microns Ltd. 2010 Locked-In Shares 0.33
20 Microns Ltd. 2010 Locked-In Shares 0.17
20 Microns Ltd. 2010 Non-Promoters    18.67
20 Microns Ltd. 2010 Non-Promoters    1.65
20 Microns Ltd. 2010 Promoters        0.77
20 Microns Ltd. 2010 Promoters        2.5
20 Microns Ltd. 2010 Promoters        0.57
20 Microns Ltd. 2010 Promoters        0.35
20 Microns Ltd. 2010 Promoters        1.95
20 Microns Ltd. 2010 Promoters        1.85
20 Microns Ltd. 2010 Promoters        10.8
20 Microns Ltd. 2010 Promoters        18.94
20 Microns Ltd. 2010 Promoters        0.14
20 Microns Ltd. 2010 Promoters        0.12
20 Microns Ltd. 2010 Promoters        0.08
20 Microns Ltd. 2010 Promoters        0.12
20 Microns Ltd. 2010 Promoters        0.21
20 Microns Ltd. 2010 Promoters        1.95
20 Microns Ltd. 2010 Promoters        6.81
20 Microns Ltd. 2010 Promoters        0.06
20 Microns Ltd. 2010 Promoters        1.19
20 Microns Ltd. 2010 Promoters        0.58
20 Microns Ltd. 2010 Promoters        1.05
20 Microns Ltd. 2010 Promoters        1.39
20 Microns Ltd. 2010 Promoters        0.33
;
run;

proc sort data=have out=sorted;
  by company_name year type descending percent_shares;
run;

data want;
  set sorted;
  by company_name year type descending percent_shares;
  retain first_largest second_largest flg;
  if first.type then do;
    flg=1;
    first_largest =percent_shares;
    second_largest=.;
  end;
  else flg+1;

  if flg=2 or (first.type and last.type) then do;
    second_largest=percent_shares;
    output;
  end;
  drop percent_shares flg;
run;

 It would be helpful if you could present the sample data in a usable form in the DATA step if possible.

 

PeterClemmensen
Tourmaline | Level 20

What should percent_shares contain in the want data set?

PeterClemmensen
Tourmaline | Level 20

Classic use of the IDGROUP Option in Proc Summary

 

proc summary data=have nway;
   class company_name year type;
   var percent_shares;
   output out=want(drop=_:) idgroup (max(percent_shares) out[2] (percent_shares) = largest);
run;
Ksharp
Super User
What if there are ties for max value ,what you want to display ?
Ksharp
Super User

Ha. I just test it . If you have two same MAX value and PROC SUMMARY would keep them all.

Ksharp_0-1652086810210.png

 

Ksharp
Super User

If you want display two unique max value .

 

data have;
length company_name $15 year 8 type $16	percent_shares 8;
input company_name $ 1-15 year type $ 22-37  percent_shares;
datalines;
20 Microns Ltd. 2010 Locked-In Shares 0.07
20 Microns Ltd. 2010 Locked-In Shares 0.77
20 Microns Ltd. 2010 Locked-In Shares 2.5
20 Microns Ltd. 2010 Locked-In Shares 0.57
20 Microns Ltd. 2010 Locked-In Shares 0.35
20 Microns Ltd. 2010 Locked-In Shares 1.95
20 Microns Ltd. 2010 Locked-In Shares 1.85
20 Microns Ltd. 2010 Locked-In Shares 0.1
20 Microns Ltd. 2010 Locked-In Shares 10.76       /*same value*/
20 Microns Ltd. 2010 Locked-In Shares 10.76       /*same value*/
20 Microns Ltd. 2010 Locked-In Shares 0.37
20 Microns Ltd. 2010 Locked-In Shares 0.01
20 Microns Ltd. 2010 Locked-In Shares 9.26
20 Microns Ltd. 2010 Locked-In Shares 0.61
20 Microns Ltd. 2010 Locked-In Shares 0.13
20 Microns Ltd. 2010 Locked-In Shares 0.14
20 Microns Ltd. 2010 Locked-In Shares 0.08
20 Microns Ltd. 2010 Locked-In Shares 0.12
20 Microns Ltd. 2010 Locked-In Shares 0.03
20 Microns Ltd. 2010 Locked-In Shares 1.65
20 Microns Ltd. 2010 Locked-In Shares 0.21
20 Microns Ltd. 2010 Locked-In Shares 0.03
20 Microns Ltd. 2010 Locked-In Shares 0.04
20 Microns Ltd. 2010 Locked-In Shares 0.03
20 Microns Ltd. 2010 Locked-In Shares 1.95
20 Microns Ltd. 2010 Locked-In Shares 0.1
20 Microns Ltd. 2010 Locked-In Shares 0
20 Microns Ltd. 2010 Locked-In Shares 6.81
20 Microns Ltd. 2010 Locked-In Shares 1.25
20 Microns Ltd. 2010 Locked-In Shares 0.58
20 Microns Ltd. 2010 Locked-In Shares 0.18
20 Microns Ltd. 2010 Locked-In Shares 0.18
20 Microns Ltd. 2010 Locked-In Shares 1.05
20 Microns Ltd. 2010 Locked-In Shares 0.36
20 Microns Ltd. 2010 Locked-In Shares 1.39
20 Microns Ltd. 2010 Locked-In Shares 0.07
20 Microns Ltd. 2010 Locked-In Shares 0.64
20 Microns Ltd. 2010 Locked-In Shares 0.07
20 Microns Ltd. 2010 Locked-In Shares 0.33
20 Microns Ltd. 2010 Locked-In Shares 0.17
20 Microns Ltd. 2010 Non-Promoters    18.67
20 Microns Ltd. 2010 Non-Promoters    1.65
20 Microns Ltd. 2010 Promoters        0.77
20 Microns Ltd. 2010 Promoters        2.5
20 Microns Ltd. 2010 Promoters        0.57
20 Microns Ltd. 2010 Promoters        0.35
20 Microns Ltd. 2010 Promoters        1.95
20 Microns Ltd. 2010 Promoters        1.85
20 Microns Ltd. 2010 Promoters        10.8
20 Microns Ltd. 2010 Promoters        18.94
20 Microns Ltd. 2010 Promoters        0.14
20 Microns Ltd. 2010 Promoters        0.12
20 Microns Ltd. 2010 Promoters        0.08
20 Microns Ltd. 2010 Promoters        0.12
20 Microns Ltd. 2010 Promoters        0.21
20 Microns Ltd. 2010 Promoters        1.95
20 Microns Ltd. 2010 Promoters        6.81
20 Microns Ltd. 2010 Promoters        0.06
20 Microns Ltd. 2010 Promoters        1.19
20 Microns Ltd. 2010 Promoters        0.58
20 Microns Ltd. 2010 Promoters        1.05
20 Microns Ltd. 2010 Promoters        1.39
20 Microns Ltd. 2010 Promoters        0.33
;
run;
proc sort data=have ;by  company_name year type ;run;
ods select none;
ods output ExtremeValues=ExtremeValues;
proc univariate data=have nextrval=2;
by company_name year type;
var percent_shares;
run;
ods select all;
proc sort data=ExtremeValues;by company_name year type descending High;run;
proc transpose data=ExtremeValues out=want(drop=_:) prefix=largest_;
by company_name year type;
var High;
run;

Ksharp_0-1652087460293.png

 

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