ANCOVA for T. dubius fitness

Obs eggs length treat y x
1 290 5.7 DietIG 290 5.7
2 99 5.2 DietIG 99 5.2
3 340 5.5 DietIG 340 5.5
4 271 4.8 DietIG 271 4.8
5 200 5.2 DietIG 200 5.2
6 405 5.2 DietIG 405 5.2
7 178 5.1 DietIG 178 5.1
8 48 5.0 DietIG 48 5.0
9 146 4.8 DietIG 146 4.8
10 184 4.9 DietIG 184 4.9
11 66 4.6 DietCPW 66 4.6
12 93 5.0 DietCPW 93 5.0
13 9 5.4 DietCPW 9 5.4
14 404 5.4 DietCPW 404 5.4
15 244 5.1 DietCPW 244 5.1
16 195 4.9 DietCPW 195 4.9
17 343 5.2 DietCPW 343 5.2
18 516 5.0 DietCPW 516 5.0
19 215 4.6 DietCPW 215 4.6
20 412 5.6 DietCPW 412 5.6
21 167 4.8 DietCPW 167 4.8
22 316 5.2 DietCPW 316 5.2
23 334 5.3 DietCPW 334 5.3
24 62 4.7 WildCPW 62 4.7
25 290 5.0 WildCPW 290 5.0
26 488 5.8 WildCPW 488 5.8
27 336 5.2 WildCPW 336 5.2
28 337 5.8 WildCPW 337 5.8
29 230 5.0 WildCPW 230 5.0
30 381 5.3 WildCPW 381 5.3
31 192 5.5 WildCPW 192 5.5
32 186 5.3 WildCPW 186 5.3
33 467 5.2 WildCPW 467 5.2
34 59 4.9 WildCPW 59 4.9
35 323 5.7 WildCPW 323 5.7
36 291 4.9 WildCPW 291 4.9
37 164 5.3 WildCPW 164 5.3
38 142 5.3 WildCPW 142 5.3
39 269 5.0 WildCPW 269 5.0
40 329 5.4 WildCPW 329 5.4
41 235 5.0 WildCPW 235 5.0
ANCOVA for T. dubius fitness; Plot of y by x identified by treat y 0 100 200 300 400 500 600 x 4.6 4.7 4.8 4.9 5.0 5.1 5.2 5.3 5.4 5.5 5.6 5.7 5.8 ANCOVA for T. dubius fitness treat DietCPW DietIG WildCPW

ANCOVA for T. dubius fitness

The GLM Procedure

Class Level Information
Class Levels Values
treat 3 DietCPW DietIG WildCPW
Number of Observations Read 41
Number of Observations Used 41

ANCOVA for T. dubius fitness

The GLM Procedure

 

Dependent Variable: y

Source DF Sum of Squares Mean Square F Value Pr > F
Model 3 148620.1904 49540.0635 3.74 0.0193
Error 37 490584.9316 13259.0522    
Corrected Total 40 639205.1220      
R-Square Coeff Var Root MSE y Mean
0.232508 46.03224 115.1480 250.1463
Source DF Type I SS Mean Square F Value Pr > F
treat 2 16193.0211 8096.5105 0.61 0.5484
x 1 132427.1693 132427.1693 9.99 0.0031
Source DF Type III SS Mean Square F Value Pr > F
treat 2 13846.2749 6923.1375 0.52 0.5976
x 1 132427.1693 132427.1693 9.99 0.0031
ANCOVA for T. dubius fitness; Panel of Fit Diagnostics for y Fit Diagnostics for y 0.1703 Adj R-Square 0.2325 R-Square 13259 MSE 37 Error DF 4 Parameters 41 Observations Proportion Less 0 1 Residual 0 1 Fit–Mean -200 0 200 -300 0 300 Residual 0 10 20 30 40 Percent 0 20 40 Observation 0.0 0.1 0.2 Cook's D 0 200 400 Predicted Value 0 200 400 y -2 0 2 Quantile -200 0 200 Residual 0.05 0.20 Leverage -2 0 2 RStudent 150 250 350 Predicted Value -2 0 2 RStudent 150 250 350 Predicted -200 0 200 Residual
ANCOVA for T. dubius fitness; Analysis of Covariance for y by x categorized by treat 4.75 5.00 5.25 5.50 5.75 x 0 100 200 300 400 500 y WildCPW DietIG DietCPW treat Analysis of Covariance for y

ANCOVA for T. dubius fitness

The GLM Procedure

Least Squares Means

Adjustment for Multiple Comparisons: Tukey-Kramer

treat y LSMEAN LSMEAN Number
DietCPW 270.496170 1
DietIG 221.056056 2
WildCPW 251.610513 3
Least Squares Means for effect treat
Pr > |t| for H0: LSMean(i)=LSMean(j)

Dependent Variable: y
i/j 1 2 3
1   0.5702 0.8992
2 0.5702   0.7839
3 0.8992 0.7839  
treat y LSMEAN 95% Confidence Limits
DietCPW 270.496170 205.021331 335.971009
DietIG 221.056056 147.207956 294.904156
WildCPW 251.610513 195.890594 307.330433
Least Squares Means for Effect treat
i j Difference Between Means Simultaneous 95% Confidence Limits for LSMean(i)-LSMean(j)
1 2 49.440114 -69.094011 167.974239
1 3 18.885656 -85.958935 123.730248
2 3 -30.554457 -142.397015 81.288100
ANCOVA for T. dubius fitness; Plot of y least-squares means for treat. 220 230 240 250 260 270 y LS-Mean DietCPW DietIG WildCPW treat LS-Means for treat
ANCOVA for T. dubius fitness; Plot of all pairwise y least-squares means differences for treat with Tukey-Kramer adjustment at significance level 0.05. y Comparisons for treat DietCPW DietIG WildCPW DietCPW DietIG WildCPW 150 200 250 300 150 200 250 300
ANCOVA for T. dubius fitness; DietCPW WildCPW DietIG 270.50 251.61 221.06 treat Estimate y Tukey-Kramer Grouping for LS-Means of treat (Alpha = 0.05) LS-means covered by the same bar are not significantly different.