Date - time                : 27/10/2003 09:51:27

Data file name           : rats259.dta

 

Population Mean Cosinor Test for one chosen period - Population Mean Cosinor generalized  

Studied period (T)          : 2.5900000E+01

 

1. Results by each series

Model equation  : β  cos(2π t/T) + γ  sin(2π t/T) + α

 

Serie n°1

Solution model : 1.17E+01Cos(2π t/25.90)-3.43E+00Sin(2π t/25.90)+1.44E+01

-  Model (ANOVA) is valid at the probability level     : 0.9500

 

Serie n°2

Solution model : 1.38E+01Cos(2π t/25.90)-1.12E+01Sin(2π t/25.90)+2.10E+01

-  Model (ANOVA) is valid at the probability level     : 0.9500

 

Serie n°3

Solution model : 1.28E+01Cos(2π t/25.90)-6.95E+00Sin(2π t/25.90)+1.32E+01

-  Model (ANOVA) is valid at the probability level     : 0.9500

 

2. Global results -  Population Mean Cosinor Test

 Number of series                   : 3

 Number of observations        : 23

 Number of models                  : 3

 Level probability of tests        : 0.9500

 Tested period                         : 2.5900000E+01

 

2.1 Characteristic values of the Harmonic Regression :

  Variance Sx²               : 7.31E-01

  Variance Sy²               : 9.99E+00

  Correlation                   : -9.98E-01

 

2.2 Parameters values of the Confidence Ellipse:

  Confidence Ellipse Inclination (Geometrical)     : -2.64E-01

  Confidence Ellipse Inclination (Algebraical)      : 2.88E+00

  Major axis (Geometrical)                                   : 1.07E+02

  Major axis (Algebraical)                                    : 1.07E+02

  Minor axis (Geometrical)                                   : 1.82E+00

  Minor axis (Algebraical)                                    : 1.82E+00

  Area of the confidence ellipse (Geometrical)   : 1.52E+02

 

2.3 Main values of the global model(Chronobiometric values) :

-  Amplitude                                                                                : 1.47E+01

  Confidence Interval of the Amplitude (Geometrical)                    :  [1.37E+01 ; 1.56E+01]

  Confidence Interval of the Amplitude (Algebraical)                     :  [5.04E+00 ; 2.43E+01]

- Dephasing  -  Chronobiometric Acrophase (Radians)             : -5.77E+00

  Confidence Interval of the Dephasing (Radians) (Geometrical)  :  [-6.03E+00 ; -5.51E+00]

  Confidence Interval of the Dephasing (Radians) (Algebraical)   :  [-5.93E+00 ; -5.61E+00]

- Dephasing -  Chronobiometric Acrophase (Degrees)              : -3.31E+02

  Confidence Interval of the Dephasing (Degrees) (Geometrical)  :  [-3.46E+02 ; -3.16E+02]

  Confidence Interval of the Dephasing (Degrees) (Algebraical)   :  [-3.40E+02 ; -3.21E+02]

-  Shifting -  Chronobiometric MESOR                                           : 1.62E+01

  Confidence Interval of the Shifting (Statistical)                             :  [9.01E+00 ; 2.35E+01]

  Confidence Interval of the Shifting (Algebraical)                          :  [1.78E+00 ; 3.07E+01]

 

2.4 Chronobiometric parameters :

-  Percent Rhythm                                          : 67.12 %

-  Percent Error                                               : 32.88 %

-  p-Value (H0: Amplitude=0)                         : 0.0053

 

2.5 Test parameters and results of the Population Mean Cosinor test :

  F Snedecor (2, 1)         : 199.50

  T² Hotelling                    : 798.00

  Confidence area           : 1.61E+02

  Limit of confidence       : 1.21E+00

-  Ellipse Test (H0: β=0 And γ=0) for T =  2.5900000E+01 H0 rejected         : 0.9500

-  0rigin (O) is outside of the confidence ellipse

-  Bartlett Test (H0: s²1 = … =  s²i) H0 accepted                                             : 0.9500

-  KW Test (H0: Samples from same population) H0 accepted                  : 0.9500

-  Global model  : 1.28E+01Cos(2π t/2.59E+01)-7.18E+00Sin(2π t/2.59E+01)+1.62E+01

-  Initial model    : 1.47E+01Cos((2π t/2.59E+01)-5.77E+00)+1.62E+01

 

2.6 Residuals distribution - Goodness of fit :

-  Ajusted r²                                                     : 8.22E-01

-  K-S Test (H0: Normal residuals distribution) H0 rejected                      

-  χ² Test (H0: Normal residuals distribution) H0 rejected                    

-  Average Test (H0: SResiduals Average=0) H0 accepted            

-  Q Test (H0: Independent Residues) H0 accepted                        

 

- KW Test is the Kruskall and Wallis test  

- K-S Test is the Kolmogorov and Smirnov test  

- Average Test (H0: RS Average = 0) is a test of average on the average sum of residues  

- Q Test is the Ljung-Box Q-statistic lack-of-fit hypothesis test