SAS多因素方差分析应用程序.doc

I为重复数
单因素方差分析
OPTION LS=80;
J为浓度处理数
DATA A;
DO i=1 TO 4;
DO j=1 to 5;
INPUT X @@;
OUTPUT;
END;
END;
DROP i;
CARDS;
1.74
1.62
0.78
1.09
0.92
1.62
1.24
0.76
1.15
0.91
2.08
1.32
1.85
1.23
0.87
2.34
1.09
1.39
0.93
0.90
PROC ANOVA;
CLASS j;
MODEL x=j;
MEANS j/ SNK;
RUN;

DATA A;
Do i=1 to 4;
do j=1 to 6;
input x@@;
output;
end;
end;
drop i;
cards;
1.74
1.62
0.78
1.09
0.92
1.62
1.24
0.76
1.15
0.91
2.08
1.32
1.85
1.23
0.87
2.34
1.09
1.39
0.93
0.90
proc anova;
class j;
model x=j;
MEANS j/LSD;
run;

A为浓度处理
有重复观察值的交叉分析
OPTION LS=80;
B为时间段处理
DATA C;
DO A=1 TO 2;
K为重复数
DO B=1 TO 3;
DO K=1 TO 4;
INPUT X @@;
OUTPUT;
END;
END;
END;
DROP K;
CARDS;
0.88
0.85
0.59
0.57
1.23
1.70
2.70
2.38
5.06
4.12
6.15
5.20
0.84
0.92
0.84
0.72
1.03
1.27
1.05
1.02
1.35
1.23
0.98
1.38
PROC ANOVA;
CLASS A B;
MODEL X=A B A*B;
MEANS A B/SNK;
RUN;

不等项有重复观察值的交叉分析
OPTION LS=80;
DATA C;
DO A=1 TO 2;
DO B=1 TO 3;
INPUT n;
DO K=1 TO n;
INPUT X @@;
OUTPUT;
END;
END;
END;
DROP K n;
CARDS;
4

0.97
0.82
0.83
0.86
4

1.63
2.31
1.77
3.34
4

8.09
5.08
7.05
6.23
4

0.78
0.84
0.75
1.04
4

不等项要列在最后，且不能够将空格复制进程序中

1.13
1.35
1.51
1.24
3

2.41

1.46
1.31

PROC ANOVA;
CLASS A B;
MODEL X=A B A*B;
MEANS A B/SNK;
RUN;

I为浓度处理数
不等项单因素方差分析
OPTION LS=80;
J为重复数
DATA A;
DO i=1 TO 6;
INPUT n;
DO j=1 to n;
INPUT X @@;
OUTPUT;
END;
END;
DROP j n;
CARDS;
4

0.791551943
0.676671595
0.666488756
1.274477599
4

0.430573272
0.547043901
0.500567785
0.565517735
4

0.626267656
1.00443686
0.694850507
0.79436352
4

0.573875169
0.746083315
0.703506821
0.650295583
4

0.472252101
1.010620439
0.642074499
0.578050454
3

0.671434103
0.505178134
0.532028843

PROC ANOVA;
CLASS i;
MODEL x=i;
MEANS i/SNK;
RUN;