DATA modsvfoer;
 INPUT sit aarkvt aar kvt klys uheld pers indx;
 LINX = LOG(INDX) ;
IF klys = 2  THEN DELETE;
CARDS;
      4     87.00     87      1      1     57      77     100 
      4     87.25     87      2      1     88     115     119 
      4     87.50     87      3      1     88     126     127 
      4     87.75     87      4      1     66      77     117 
      4     88.00     88      1      1     67      95     111 
      4     88.25     88      2      1     96     143     126 
      4     88.50     88      3      1     93     140     130 
      4     88.75     88      4      1     74      99     120 
      4     89.00     89      1      1     54      75     117 
      4     89.25     89      2      1     83     117     130 
      4     89.50     89      3      1     91     135     134 
      4     89.75     89      4      1     87     121     123 
      4     90.00     90      1      1     59      75     120 
      4     90.25     90      2      1    107     147     132 
      4     90.50     90      3      1     83     107     139 
      4     90.75     90      4      2     35      45     126 
      4     91.00     91      1      2     35      48     119 
      4     91.25     91      2      2     64      81     137 
      4     91.50     91      3      2     78     113     145 
      4     91.75     91      4      2     50      75     130 
;
 RUN;