topic assumptions of repeated means in Statistical Procedures

assumptions of repeated means

jescam05 — Thu, 06 Sep 2018 20:26:30 GMT

data TMT;
input trat rep c1 c2 c3 c4 c5 c6 c7 c8 c9 c10 c11;
y=c1; conteo=1; output;
y=c2; conteo=2; output;
y=c3; conteo=3; output;
y=c4; conteo=4; output;
y=c5; conteo=5; output;
y=c6; conteo=6; output;
y=c7; conteo=7; output;
y=c8; conteo=8; output;
y=c9; conteo=9; output;
y=c10; conteo=10; output;
y=c11; conteo=11; output;
drop c1-c11;
datalines;
1	1	57.9	71.4	87.5	74.3	95.6	92.0	94.1	85.7	94.5
1	2	42.9	69.2	90.5	80.0	98.0	96.7	95.9	94.9	93.6
1	3	37.5	71.4	88.9	54.5	100.0	93.8	88.9	100.0	87.5
1	4	30.8	92.3	85.2	82.8	92.5	94.9	88.4	95.5	92.7
2	1	76.0	47.1	80.6	64.7	97.4	85.4	89.5	86.8	91.4
2	2	55.6	31.6	82.4	78.9	96.4	96.8	76.5	90.0	85.7
2	3	33.3	100.0	100.0	80.0	100.0	100.0	94.4	90.5	88.1
2	4	100.0	100.0	100.0	100.0	94.4	100.0	100.0	100.0	75.0
3	1	66.7	3.3	66.7	100.0	94.4	95.2	83.3	94.1	80.6
3	2	75.0	18.2	100.0	93.5	83.0	94.6	82.8	91.2	88.5
3	3	66.7	54.5	84.6	94.4	73.9	95.0	90.5	90.9	95.2
3	4	44.4	25.0	50.0	100.0	100.0	100.0	90.0	100.0	71.4
4	1	57.9	65.0	73.9	52.4	87.0	100.0	74.2	91.7	81.0
4	2	42.9	50.0	50.0	83.3	100.0	100.0	87.5	100.0	100.0
4	3	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0
4	4	50.0	70.4	94.1	56.4	100.0	95.1	84.4	79.1	92.5
;
proc mixed data=TMT method= reml;
class trat conteo rep;
model y = trat conteo trat*conteo;
repeated / sub=rep type=CSH; 
random rep; 
LSMEANS trat conteo trat*conteo/ pdiff adjust=tukey;
run;

Hi!

I need the program to check the assumptions of this model

Re: assumptions of repeated means

ballardw — Thu, 06 Sep 2018 21:07:54 GMT

Your data to read only goes to C9 unless something didn't get pasted.

Which assumptions do you want to check??

And just to make the data step code a little more compact and easier to modify if the additional columns get added to the data:

data TMT;
   input trat rep c1 c2 c3 c4 c5 c6 c7 c8 c9 ;
   array c c1-c9;
   do conteo = 1 to 9;
      y= c[conteo];
      output;
   end;
   drop c1-c9;
datalines;
1	1	57.9	71.4	87.5	74.3	95.6	92.0	94.1	85.7	94.5
1	2	42.9	69.2	90.5	80.0	98.0	96.7	95.9	94.9	93.6
1	3	37.5	71.4	88.9	54.5	100.0	93.8	88.9	100.0	87.5
1	4	30.8	92.3	85.2	82.8	92.5	94.9	88.4	95.5	92.7
2	1	76.0	47.1	80.6	64.7	97.4	85.4	89.5	86.8	91.4
2	2	55.6	31.6	82.4	78.9	96.4	96.8	76.5	90.0	85.7
2	3	33.3	100.0	100.0	80.0	100.0	100.0	94.4	90.5	88.1
2	4	100.0	100.0	100.0	100.0	94.4	100.0	100.0	100.0	75.0
3	1	66.7	3.3	66.7	100.0	94.4	95.2	83.3	94.1	80.6
3	2	75.0	18.2	100.0	93.5	83.0	94.6	82.8	91.2	88.5
3	3	66.7	54.5	84.6	94.4	73.9	95.0	90.5	90.9	95.2
3	4	44.4	25.0	50.0	100.0	100.0	100.0	90.0	100.0	71.4
4	1	57.9	65.0	73.9	52.4	87.0	100.0	74.2	91.7	81.0
4	2	42.9	50.0	50.0	83.3	100.0	100.0	87.5	100.0	100.0
4	3	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0
4	4	50.0	70.4	94.1	56.4	100.0	95.1	84.4	79.1	92.5
;
run;

Re: assumptions of repeated means

jescam05 — Thu, 06 Sep 2018 21:49:42 GMT

I want to check normal, sphericity
and homogeneity