ML_Parte 11_2013 Complemento

Datos de Salario
Call: lm(formula = monthsal ~ evaluation + sex + years + yearsact +
rating)
Coefficients:
(Intercept)
evaluation
sex
years
yearsact
rating
Value Std. Error
-1293.5661
540.1389
7.1552
0.8120
336.5824
205.9956
46.0607
21.4797
-16.3686
35.2996
29.5137
85.5693
t value
-2.3949
8.8119
1.6339
2.1444
-0.4637
0.3449
Pr(>|t|)
0.0244
0.0000
0.1148
0.0419
0.6469
0.7330
Residual standard error: 490.9 on 25 degrees of freedom
Multiple R-Squared: 0.8356. F-statistic: 25.42 on 5 and 25 degrees
of freedom, the p-value is 4.716e-009
1
0
-1
salario. dd$st d. res
2
6
4
0.1
0.2
0.3
0.4
salario.dd$hat
0.5
0.6
0.7
-1
0
1
2
0.0
0.2
0.4
salario.dd$cook
0.6
4
0
5
10
15
indice
20
25
30
-2. 0
4
0
5
10
15
indice
20
25
30
-1. 5
-1. 0
-0. 5
0. 0
salario. dd$df its
0. 5
1. 0
0. 5
leverage<-diag(x.mat%*%solve(t(x.mat)%*%x.mat)%*%t(x.mat))
0. 3
0. 2
0. 1
leverage
0. 4
4
0
5
10
15
indice
20
25
30
Datos de Cemento
PREDICTOR
VARIABLES
--------CONSTANT
X1
X2
X3
X4
X5
COEFFICIENT
----------73.6101
-0.44973
1.29951
0.56301
-0.17039
-0.38591
R-SQUARED
ADJUSTED R-SQUARED
SOURCE
---------REGRESSION
RESIDUAL
TOTAL
DF
--5
8
13
CASES INCLUDED 14
STD ERROR
--------105.965
1.13123
1.06597
1.05868
1.04937
1.52207
0.9871
0.9790
SS
---------4453.65
58.3234
4511.97
STUDENT'S T
----------0.69
-0.40
1.22
0.53
-0.16
-0.25
P
-----0.5069
0.7014
0.2575
0.6093
0.8750
0.8062
RESID. MEAN SQUARE (MSE)
STANDARD DEVIATION
MS
---------890.729
7.29043
MISSING CASES 0
F
----122.18
P
-----0.0000
7.29043
2.70008
VIF
----92.7
70.8
585.3
642.6
2.2