Pratique des Biostatistiques
Accueil › Analyse de la variance à plusieurs critères › L'ANOVA 2 croisée fixe
 Dernière modification: 22 novembre 2010

Exemple

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  • strict warning: Declaration of views_plugin_row::options_validate() should be compatible with views_plugin::options_validate(&$form, &$form_state) in /home/iamin/www/umdb/biostats/sites/default/modules/views/plugins/views_plugin_row.inc on line 134.
  • strict warning: Declaration of views_plugin_row::options_submit() should be compatible with views_plugin::options_submit(&$form, &$form_state) in /home/iamin/www/umdb/biostats/sites/default/modules/views/plugins/views_plugin_row.inc on line 134.
  • strict warning: Declaration of views_handler_filter::options_validate() should be compatible with views_handler::options_validate($form, &$form_state) in /home/iamin/www/umdb/biostats/sites/default/modules/views/handlers/views_handler_filter.inc on line 607.
  • strict warning: Declaration of views_handler_filter::options_submit() should be compatible with views_handler::options_submit($form, &$form_state) in /home/iamin/www/umdb/biostats/sites/default/modules/views/handlers/views_handler_filter.inc on line 607.
  • strict warning: Declaration of views_handler_filter_boolean_operator::value_validate() should be compatible with views_handler_filter::value_validate($form, &$form_state) in /home/iamin/www/umdb/biostats/sites/default/modules/views/handlers/views_handler_filter_boolean_operator.inc on line 159.
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  • strict warning: Non-static method view::load() should not be called statically in /home/iamin/www/umdb/biostats/sites/default/modules/views/views.module on line 906.
  • strict warning: Non-static method view::load() should not be called statically in /home/iamin/www/umdb/biostats/sites/default/modules/views/views.module on line 906.
  • strict warning: Non-static method view::load() should not be called statically in /home/iamin/www/umdb/biostats/sites/default/modules/views/views.module on line 906.
  • strict warning: Non-static method view::load() should not be called statically in /home/iamin/www/umdb/biostats/sites/default/modules/views/views.module on line 906.
  • strict warning: Non-static method view::load() should not be called statically in /home/iamin/www/umdb/biostats/sites/default/modules/views/views.module on line 906.

Un physiologiste compare l'effet de trois doses d'un même médicament à 4 temps différents. Pour chaque dose et chaque temps, il choisit aléatoirement 3 animaux :

 

temps 1

temps 2

temps 3

temps 4

dose 1

x1

x10

x19

x28

x2

x11

x20

x29

x3

x12

x21

x30

dose 2

x4

x13

x22

x31

x5

x14

x23

x32

x6

x15

x24

x33

dose 3

x7

x16

x25

x34

x8

x17

x26

x35

x9

x18

x27

x36

 

But: vérifier si chacun des facteurs (temps et doses) retenus a ou non une influence sur la caractéristique mesurée et si ces facteurs agissent de manière additive (1+1=2) ou bien en synergie (1+1>2).