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ANS_GN_POST = MEAN2;
ANS_GN_RATIO = MEAN1 / MEAN2;
if (WEEFSEL = '2Donyx') and (METING = 'ANS-Gn') then output;
drop M11 M12 M13 M21 M22 M23 MEAN1 MEAN2 METING PROJECTION WEEFSEL ;
data HULP12;
set DATA;
N_ANS_PRE = MEAN1;
N_ANS_POST = MEAN2;
N_ANS_RATIO = MEAN1 / MEAN2;
if (WEEFSEL = '2Donyx') and (METING = 'N-ANS') then output;
drop M11 M12 M13 M21 M22 M23 MEAN1 MEAN2 METING PROJECTION WEEFSEL ;
data HULP13;
set DATA;
WITS_PRE = MEAN1;
WITS_POST = MEAN2;
WITS_RATIO = MEAN1 / MEAN2;
if (WEEFSEL = '2Donyx') and (METING = 'Wits') then output;
drop M11 M12 M13 M21 M22 M23 MEAN1 MEAN2 METING PROJECTION WEEFSEL ;
proc sort data = HULP1;
by ID;
proc sort data = HULP2;
by ID;
proc sort data = HULP3;
by ID;
proc sort data = HULP4;
by ID;
proc sort data = HULP5;
by ID;
proc sort data = HULP6;
by ID;
proc sort data = HULP7;
by ID;
proc sort data = HULP8;
by ID;
proc sort data = HULP9;
by ID;
proc sort data = HULP10;
by ID;
proc sort data = HULP11;
by ID;
proc sort data = HULP12;
by ID;
proc sort data = HULP13;
by ID;
data DATA4;
merge HULP1 HULP2 HULP3 HULP4 HULP5 HULP6 HULP7 HULP8 HULP9 HULP10 HULP11 HULP12 HULP13;
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