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Comparasi

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Comparasi n de Regresi n Lineales. Capitulo 18. Los temas ... The sign test (la prueba de signos) The run test (la ... Sum of cross products for the ' ... – PowerPoint PPT presentation

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Title: Comparasi


1
Comparasión de Regresión Lineales
  • Capitulo 18

2
Los temas
  • Regresión Lineal
  • Comparando ecuaciones lineales
  • Bondad de ajuste (Chi square)
  • Tabla de contingencia
  • The sign test (la prueba de signos)
  • The run test (la prueba de corrida)

3
Hembra
Macho
La inteligencia
La edad de los chupacabras
4
Comparing simple linear regressions
  • Fig. 18.1

5
Comparing Slopes
6
(No Transcript)
7
Ho ? Ha ?
Sample 1 Sample 2
8
(No Transcript)
9
Calculate the following
10
Calculate the following
11
Do you accept the Ho?
12
Comparing two elevations
  • The regression lines have the same elevations?
  • Sum of squares of X for the common regression

13
  • Sum of cross products for the common regression

14
  • Sum of squares of Y for the common regression

15
  • Residual SS for the common regression

16
La regressión en comun
17
La prueba
18
Sample 1 Sample 2
19
Resultado
  • Ac 2671.6256
  • Bc 4060.7718
  • Cc 6467.2410
  • bc 1.520
  • SSc 295.0185
  • DFc 25
  • (s2YX)c 11.8007
  • t 8.218,
  • t0.05,(2),25 2.060
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