Hello,
I appreciate anyone can help - I am looking for an appropriate test to "compare means of 3 different groups in a prospective data"
data wide;
input id hand06 hand07 hand08 hand09;
cards;
1 40 32 . 35
2 26 34 . 39
3 39 41 . 47
4 36 50 . 41
5 42 38 . 39
;
run;
proc means data=wide fw=8;
var hand06 - hand09;
run;
data long; set wide;
year=06;
hand_=hand06;
output;
year=07;
hand_=hand07;
output;
year=09;
hand_=hand09;
output;
drop hand06-hand09;
run;
proc means data=long;
class year;
var hand_;
run;
ANOVA is a starting point. Make sure to visually inspect the data and do some histograms.
@PhanS wrote:
Hello,
I appreciate anyone can help - I am looking for an appropriate test to "compare means of 3 different groups in a prospective data"
data wide;
input id hand06 hand07 hand08 hand09;
cards;
1 40 32 . 35
2 26 34 . 39
3 39 41 . 47
4 36 50 . 41
5 42 38 . 39
;
run;proc means data=wide fw=8;
var hand06 - hand09;
run;
data long; set wide;
year=06;
hand_=hand06;
output;year=07;
hand_=hand07;
output;year=09;
hand_=hand09;
output;drop hand06-hand09;
run;
proc means data=long;
class year;
var hand_;
run;
ANOVA is a starting point. Make sure to visually inspect the data and do some histograms.
@PhanS wrote:
Hello,
I appreciate anyone can help - I am looking for an appropriate test to "compare means of 3 different groups in a prospective data"
data wide;
input id hand06 hand07 hand08 hand09;
cards;
1 40 32 . 35
2 26 34 . 39
3 39 41 . 47
4 36 50 . 41
5 42 38 . 39
;
run;proc means data=wide fw=8;
var hand06 - hand09;
run;
data long; set wide;
year=06;
hand_=hand06;
output;year=07;
hand_=hand07;
output;year=09;
hand_=hand09;
output;drop hand06-hand09;
run;
proc means data=long;
class year;
var hand_;
run;
Thank you - I agreed.
Beside the ANOVA, is there any test.
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