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- LIBNAME projinfe "C:\Users\Gautier\Dropbox\HEC\Cours actuels\6-619-15.H2019 - Analyse et inference statistique\Projet\data";
- data tips; set projinfe.tips_clean;
- run;
- /* On check les statistiques descriptives des variables
- nominales et continues */
- proc freq data=projinfe.tips;
- tables sex smoker time day;
- run;
- proc means data=tips;
- var tip total_bill size;
- run;
- * On regarde visuellement le lien entre total_bill et tip;
- proc sgplot data=tips;
- scatter x=total_bill y=tip;
- run;
- * On check pour une interaction entre total_bill et sex ;
- proc glm data=tips;
- class sex(ref="0") ;
- model tip = total_bill sex /ss3 solution;
- run;
- * On regarde le lien entre tip et size ;
- proc sgplot data=tips;
- scatter x=size y=tip;
- run;
- proc glm data=tips;
- model tip = size /ss3 solution;
- run;
- * On peut l'utiliser comme variable continue ;
- * On teste un premier modele ;
- proc glm data=tips;
- class sex(ref="0") smoker(ref="0") dinner(ref="0");
- model tip = total_bill sex size smoker dinner fri thur sat /ss3 solution;
- run;
- proc print data=tips;
- run;
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